Updated 2 Nov 2026 · recomputed nightly
Is September 2027 a good month to visit Florence?
Busy — the typical September day in Florence is busier than 74% of its year.
If you are coming for something that only happens in September, that is the trade. If not, January is quieter.
Calm · Lively · Busy · Packed rank a day against Florence's own year — not a headcount.
September 2027 is peak-season Florence: warm and showery, around 27°C / 81°F with rain on about 9 days, and Busy on 22 of 30 days.
Probably not. The typical September day in Florence is Busy, and 27 of the 30 days in our window run Busy or Packed, so most days feel crowded. Expect around 27 °C by day, with rain on about 9 days. The crowd comes with the school holidays in Germany. Cruise ships call on 26 of the 30 days, 6 at once on Sunday 26 September. ECI 2027 - 8th European Congress of Immunology (EFIS) falls on 5–8 September. Mid September is the month's quietest stretch in Florence — the typical day at 71%, against 77% in early September. For similar weather with fewer people, come in May or October. The crush is at the Duomo–Signoria–Uffizi corridor; the quiet is at the Oltrarno.
In short, a hard sell — heavy crowds without the best of the weather.
Among the 12 months we forecast for Florence, September ranks 4th for crowd pressure. Its heaviest day is Sun 5 Sep, busier than 99% of the year; its lightest is Sat 18 Sep at 64%.
Preparing pays off in a month like this: timed-entry tickets and pre-booked tours turn the queue time into sightseeing time. see the options →
Nothing extreme to plan around — rain on 9 of 30 days.
The one thing you wear all day, every day of the trip.
See walking shoes →
A folding one lives in the day bag and weighs nothing.
See umbrellas →
How busy is Florence in September?
The busiest days are the 5th, 6th, 7th and 8th, and 23 more. Away from those, most days sit Lively.
Ships call on 26 of 30 days, a typical call day carrying at least 3,668 guests between them — real, but a secondary part of the crowd here; the season moves the needle more.
The month is not one thing: its lightest day sits at 64% of the year and its heaviest at 99%, so where you land inside it matters. All five Wednesdays run Busy or Packed. Daylight runs about 12 hours.
Either side of it, August is busier still and October is far calmer.
The calmest days are the 18th, 24th and 25th — aim for those if your dates can flex.
Wed 01 Sep Busy busier than 70% of days here · ⚓1 · Germany school holidays
- Marella Discovery — guest capacity 1,830 07:00–19:00
Record Florence on Wed 1 Sep 2027 is forecast Busy. Why: school holidays in Germany. 1 cruise ship scheduled, at least 1,830 guests at double occupancy; ships in port 07:00–19:00. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-01 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 02 Sep Busy busier than 80% of days here · ⚓2 · Germany school holidays
- Norwegian Epic — guest capacity 4,244 07:00–22:00
- Viking Neptune — guest capacity 928
Record Florence on Thu 2 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 5,172 guests at double occupancy. Why: school holidays in Germany. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-02 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 03 Sep Busy busier than 66% of days here · ⚓1 · Germany school holidays
- Viking Sea — guest capacity 930
Record Florence on Fri 3 Sep 2027 is forecast Busy. Why: school holidays in Germany. 1 cruise ship scheduled, at least 930 guests at double occupancy. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-03 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 04 Sep Busy busier than 74% of days here · ⚓1 · Germany school holidays
- Sky Princess — guest capacity 3,668 07:00–19:00
Record Florence on Sat 4 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,668 guests at double occupancy; ships in port 07:00–19:00. Why: school holidays in Germany. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-04 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 05 Sep Packed busier than 99% of days here · ⚓3 · Germany school holidays · ECI 2027 - 8th European Congress of Immunology (EFIS)
- MSC Virtuosa — guest capacity 4,810 09:00–20:00
- Seven Seas Prestige — guest capacity 850 07:00–22:00
- Viking Jupiter — guest capacity 930
Record Florence on Sun 5 Sep 2027 is forecast Packed. 3 cruise ships scheduled, at least 6,590 guests at double occupancy. Why: school holidays in Germany; ECI 2027 - 8th European Congress of Immunology. Nearest calmer day: Sat 4 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-05 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 06 Sep Packed busier than 99% of days here · ⚓2 · Germany school holidays · ECI 2027 - 8th European Congress of Immunology (EFIS)
- Emerald Sakara — guest capacity 100
- VidantaWorld Elegant — guest capacity 298 07:00–18:00
Record Florence on Mon 6 Sep 2027 is forecast Packed. Why: Germany school holidays; United States public holiday; ECI 2027 - 8th European Congress of Immunology. 2 cruise ships scheduled, at least 398 guests at double occupancy. Nearest calmer day: Sat 4 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-06 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 07 Sep Packed busier than 99% of days here · ⚓2 · Germany school holidays · ECI 2027 - 8th European Congress of Immunology (EFIS)
- Le Boreal — guest capacity 224 07:00–02:00
- MSC Fantasia — guest capacity 3,274 08:00–18:00
Record Florence on Tue 7 Sep 2027 is forecast Packed. 2 cruise ships scheduled, at least 3,498 guests at double occupancy; ships in port 07:00–18:00. Why: school holidays in Germany; ECI 2027 - 8th European Congress of Immunology. Nearest calmer day: Thu 9 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-07 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 08 Sep Packed busier than 99% of days here · ⚓4 · Germany school holidays · ECI 2027 - 8th European Congress of Immunology (EFIS)
- Arcadia — guest capacity 2,094
- Norwegian Epic — guest capacity 4,244 07:00–23:00
- Oceania Allura — guest capacity 1,200 07:00–20:00
- Scarlet Lady — guest capacity 2,770 08:00–20:00
Record Florence on Wed 8 Sep 2027 is forecast Packed. 4 cruise ships scheduled, at least 10,308 guests at double occupancy. Why: school holidays in Germany; ECI 2027 - 8th European Congress of Immunology. Nearest calmer day: Thu 9 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-08 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 09 Sep Busy busier than 71% of days here · ⚓2 · Germany school holidays
- Le Boreal — guest capacity 224 23:00–?
- Marella Voyager — guest capacity 1,814 08:00–20:00
Record Florence on Thu 9 Sep 2027 is forecast Busy. Why: school holidays in Germany. 2 cruise ships scheduled, at least 2,038 guests at double occupancy. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-09 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 10 Sep Busy busier than 66% of days here · ⚓1 · Germany school holidays
- Oceania Nautica Aurelia — guest capacity 698 08:00–20:00
Record Florence on Fri 10 Sep 2027 is forecast Busy. Why: school holidays in Germany. 1 cruise ship scheduled, at least 698 guests at double occupancy; ships in port 08:00–20:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-10 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 11 Sep Busy busier than 65% of days here · Germany school holidays
Record Florence on Sat 11 Sep 2027 is forecast Busy. Why: school holidays in Germany. Nearest calmer day: Sat 18 Sep (Lively). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-11 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 12 Sep Busy busier than 77% of days here · ⚓2 · Germany school holidays
- MSC Virtuosa — guest capacity 4,810 09:00–20:00
- SS La Venezia — guest capacity 132
Record Florence on Sun 12 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 4,942 guests at double occupancy. Why: school holidays in Germany. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-12 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 13 Sep Busy busier than 66% of days here · ⚓1 · Germany school holidays
- Azamara Onward — guest capacity 684 07:00–20:00
Record Florence on Mon 13 Sep 2027 is forecast Busy. Why: school holidays in Germany. 1 cruise ship scheduled, at least 684 guests at double occupancy; ships in port 07:00–20:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-13 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 14 Sep Busy busier than 77% of days here · ⚓4
- MSC Explora 1 — guest capacity 922 07:00–21:00
- MSC Fantasia — guest capacity 3,274 08:00–18:00
- Silver Spirit — guest capacity 608 09:00–17:00
- Viking Star — guest capacity 930
Record Florence on Tue 14 Sep 2027 is forecast Busy. 4 cruise ships scheduled, at least 5,734 guests at double occupancy. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-14 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 15 Sep Busy busier than 74% of days here · ⚓2
- Celebrity Constellation — guest capacity 2,130 07:00–17:00
- Marella Discovery — guest capacity 1,830 07:00–19:00
Record Florence on Wed 15 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 3,960 guests at double occupancy; ships in port 07:00–19:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-15 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 16 Sep Busy busier than 75% of days here · ⚓1
- Norwegian Epic — guest capacity 4,244 07:00–18:00
Record Florence on Thu 16 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 4,244 guests at double occupancy; ships in port 07:00–18:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-16 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 17 Sep Busy busier than 65% of days here · ⚓1
- Silver Ray — guest capacity 556 08:00–19:00
Record Florence on Fri 17 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 556 guests at double occupancy; ships in port 08:00–19:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-17 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 18 Sep Lively busier than 64% of days here
Record Florence on Sat 18 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/florence/#d-2027-09-18 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 19 Sep Busy busier than 77% of days here · ⚓2
- MSC Virtuosa — guest capacity 4,810 09:00–20:00
- SS La Venezia — guest capacity 132
Record Florence on Sun 19 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 4,942 guests at double occupancy. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-19 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 20 Sep Busy busier than 68% of days here · ⚓1 · Germany public holiday
- Oceania Nautica Aurelia — guest capacity 698 08:00–20:00
Record Florence on Mon 20 Sep 2027 is forecast Busy. Why: Germany public holiday. 1 cruise ship scheduled, at least 698 guests at double occupancy; ships in port 08:00–20:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-20 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 21 Sep Busy busier than 81% of days here · ⚓3
- MSC Fantasia — guest capacity 3,274 08:00–18:00
- Norwegian Viva — guest capacity 3,215 07:00–22:00
- Silver Ray — guest capacity 556 08:00–19:00
Record Florence on Tue 21 Sep 2027 is forecast Busy. 3 cruise ships scheduled, at least 7,045 guests at double occupancy; ships in port 07:00–22:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-21 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 22 Sep Busy busier than 79% of days here · ⚓1
- Norwegian Epic — guest capacity 4,244 07:00–23:00
Record Florence on Wed 22 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 4,244 guests at double occupancy; ships in port 07:00–23:00. Nearest calmer day: Fri 24 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-22 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 23 Sep Busy busier than 69% of days here · ⚓1
- Marella Voyager — guest capacity 1,814 08:00–20:00
Record Florence on Thu 23 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 1,814 guests at double occupancy; ships in port 08:00–20:00. Nearest calmer day: Fri 24 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-23 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 24 Sep Lively busier than 64% of days here
Record Florence on Fri 24 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/florence/#d-2027-09-24 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 25 Sep Lively busier than 64% of days here · ⚓1
- ms La Belle des Oceans — guest capacity 129 08:00–17:00
Record Florence on Sat 25 Sep 2027 is forecast Lively. 1 cruise ship scheduled, at least 129 guests at double occupancy; ships in port 08:00–17:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/florence/#d-2027-09-25 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 26 Sep Packed busier than 91% of days here · ⚓6
- Enchanted Princess — guest capacity 3,660 07:00–19:00
- Le Boreal — guest capacity 224 07:00–21:00
- MSC Virtuosa — guest capacity 4,810 09:00–20:00
- Norwegian Viva — guest capacity 3,215 07:00–21:00
- SS La Venezia — guest capacity 132
- Viking Vela — guest capacity 998
Record Florence on Sun 26 Sep 2027 is forecast Packed. 6 cruise ships scheduled, at least 13,039 guests at double occupancy. Nearest calmer day: Sat 25 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-26 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 27 Sep Busy busier than 66% of days here · ⚓1
- Oceania Nautica Aurelia — guest capacity 698 08:00–20:00
Record Florence on Mon 27 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 698 guests at double occupancy; ships in port 08:00–20:00. Nearest calmer day: Sat 25 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-27 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 28 Sep Busy busier than 78% of days here · ⚓2
- Crystal Symphony — guest capacity 606 08:00–20:00
- MSC Fantasia — guest capacity 3,274 08:00–02:00
Record Florence on Tue 28 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 3,880 guests at double occupancy; ships in port 08:00–20:00. Nearest calmer day: Sat 25 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-28 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 29 Sep Busy busier than 70% of days here · ⚓1
- Marella Discovery — guest capacity 1,830 07:00–19:00
Record Florence on Wed 29 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 1,830 guests at double occupancy; ships in port 07:00–19:00. Nearest calmer day: Fri 1 Oct (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-29 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 30 Sep Busy busier than 79% of days here · ⚓2
- Norwegian Epic — guest capacity 4,244 07:00–22:00
- Viking Jupiter — guest capacity 930
Record Florence on Thu 30 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 5,174 guests at double occupancy. Nearest calmer day: Fri 1 Oct (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/florence/#d-2027-09-30 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Which week of September is quietest in Florence?
Mid September is the month's quietest stretch in Florence — the typical day at 71%, against 77% in early September.
Can't move the dates? How to avoid the worst crowds
- On the busy days, the walk-up queues for the big sights are the biggest time-sink — a timed-entry ticket skips them, which is where a busy month is won or lost.
Travelling on a busy day?
Timed-entry and skip-the-line tickets turn queue time into sightseeing time — sort them before you fly.
September weather in Florence
Comfortably warm — around 27°C / 81°F, easy shirtsleeve weather, with rain on about 9 days, so keep a layer handy.
Book beds and the big-ticket sights well ahead, and start your days by eight — in a month this full, the early hours are the only uncrowded ones.
More about Florence in September
Based on: Italy's public holidays · school vacations across France and Germany · the season pattern from official overnight stays · five years of weather records (2019–2023) · confirmed event dates · the published cruise schedule
Every figure is recomputed nightly from real cruise schedules, public and school holidays, and long-run climate normals. Gaps are shown, not filled.
