Poitiers Weather in September
What's the weather like in Poitiers (Poitou-Charentes) in September 2025?
The climate in Poitiers during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Poitiers and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 22°C 71.5°F |
|---|---|
| Nightly temperature | 10.9°C 51.5°F |
| Average temperature | 16.4°C 61.5°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 61 mm 2.4 ins |
| Rainy days | 12 days |
| Sea temperature | 19.2°C 66.5°F |
| Humidity | 78% |
| Windspeed | 11.9kph 7 mph |
On average September is the 6th driest month of the year in Poitiers with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September temperatures in Poitiers
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Poitiers in September 2025.
Other monthly averages
Best places to visit in September
Poitiers weather stats
| Hottest month: | July | 24.8°C 76.6°F |
|---|---|---|
| Driest month: | July | 48mm 1.9ins |
| Sunniest month: | July | 9.5hrs |
| Coldest month: | January | 7.1°C 44.8°F |
| Wettest month: | November | 80mm 3.1ins |
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