Verdict: Excellent month
Florence Weather in September
September runs warm in Florence, with daily highs around 27°C (81°F) and nights near 15°C (59°F). Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, September is one of the best months of the year to be in Florence.
Average high
27°C / 81°F
Average low
15°C / 59°F
Rain days
~9
Precipitation
136 mm
What to pack for Florence in September
- Summer clothes, plus one light layer for air-con and evenings
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Florence: Jul (33°C / 91°F) · Coolest: Jan (11°C / 52°F) · Wettest: Dec (~16 rain days)
11°
3°
Jan
14°
4°
Feb
15°
5°
Mar
19°
7°
Apr
23°
12°
May
28°
16°
Jun
33°
19°
Jul
33°
20°
Aug
27°
15°
Sep
22°
12°
Oct
16°
7°
Nov
12°
4°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)