September · Italy
Best time to visit Florence in September Weather, crowds & prices
Weather in Florence in September
Average temperature 19°C, 68 mm of rain, about 15 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.3/10
Ranked #5 of 12 months
- Avg temp
- 19°C
- Rainfall
- 68 mm
- Humidity
- 70%
- Days with 6h+ sun
- 15
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Florence scores 8.3/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 19°C, 68 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Renaissance masterpieces and rolling hillside vistas shine in Florence’s mild April–June season.
September in Florence — reliably good (5th best month)
September averages 19°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 68 mm, so plan one flexible day in three; you still get about 15 days with 6+ hours of sunshine and 12.3 hours of daylight.
It scores 8.3/10 here, 5th of 12 months, against 9.2/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Florence in September?
- In September, Florence averages 19°C, 68 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is September a good time to visit Florence?
- September earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Florence in September?
- Expect about 68 mm of rain in September. Average humidity is 70% and there are about 15 days with 6+ hours of sunshine.
Curated in Florence
Tickets & experiences
Things to do in Florence
Florence, Italy. Live activities and tours from GetYourGuide, matched to this destination.