What September feels like in Florence
Early autumn arrives in Florence with September. Afternoons are warm and pleasant, good for long days out. After sunset it cools off noticeably — nights stay mild. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Florence in September
Showers are a regular feature, arriving about one day in 3. When rain comes it is heavy, about 10.3 mm (0.4 in) per wet day, often in short, strong bursts. That is close to Florence's typical rain per wet day for the whole year (about 8.3 mm).
Daylight and sunshine in September
Mid-month, Florence gets 12 h 35 min of daylight, from sunrise near 6:53 am to sunset near 7:28 pm. Evenings are drawing in — 1 h 28 min less daylight than mid-August. About 83% of daylight hours are sunny; in short, skies are mostly clear.
How September compares to the rest of the year
September is the 4th warmest month of the year in Florence. Compared with August, afternoons are 5.2°C (9.4°F) cooler, with 52 mm more rain. Temperatures keep falling into October. The next month's average high: 20.5°C (68.9°F).
Who September suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.
Tips for visiting Florence in September
Versatile Layers
Mornings and evenings are cooler than midday, so dress in layers.
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Florence in September?
Expect around 25.7°C (78.3°F) in the afternoon and 15.3°C (59.5°F) at night, which most visitors would call warm.
Does it rain a lot in Florence in September?
It does: about 9 rainy days bring roughly 93 mm, so plan some indoor options.
What should I wear in Florence in September?
The numbers point to versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.
Is September or October better for visiting Florence?
September, clearly: it ranks #2 of 12 among Florence's months, against #6 for the other. October is cooler and has more rainy days.