September in Florence averages highs of 26 °C (80 °F) and lows of 15 °C (59 °F), with about 8 rainy days and 12 h 26 min of daylight.
September weather in Florence at a glance
average high to low each dot ≈ 3 rainy days
Is September a good time to visit Florence?
Good time to go: comfortably warm and some rain. September is usually high season in Florence: book rooms early, as prices are typically at their highest.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in September 2026
No public holidays fall in September 2026 in Italy, so opening hours should be normal.
Things to do in Florence in September
September's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Ponte Vecchio and Oltrarno outdoors
- Piazzale Michelangelo — sunset outdoors
- Day trip to Chianti or Siena outdoors
- Uffizi Gallery — book a timed slot indoors
- Duomo and Brunelleschi's dome — climb needs a reservation indoors
- Accademia (David) indoors
Where to stay: Centro Storico for walking everywhere; Oltrarno or Santo Spirito for artisans and evenings.
What to pack for Florence in September
- Summer clothes, sunglasses and sunscreen.
- Comfortable walking shoes.
What a day in Florence costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €60–140 | €170–350 |
Excluding flights. September is usually high season in Florence: book rooms early, as prices are typically at their highest.
September in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Venice | 24° / 17° | 8 | Good time to go |
| Rome | 27° / 17° | 7 | Good time to go |
| Nice | 25° / 18° | 5 | Great time to go |
Want the whole trip planned? Join the Journey waitlist: tell it where, when and your budget, and it plans every day hour by hour.
FAQ
Is September a good time to visit Florence?
By the numbers, September is a good time to go: comfortably warm and some rain, with average highs of 26 °C (80 °F) and about 8 rainy days. September is usually high season in Florence: book rooms early, as prices are typically at their highest. The best months for weather are April, September, October.
How warm is Florence in September?
Average highs are 26 °C (80 °F) and lows 15 °C (59 °F) (2015–2024 averages).
Does it rain a lot in Florence in September?
Expect about 8 days with 2 mm of rain or more, about 111 mm in total. It is the 5th driest month of the year in Florence.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.