Saint-Ouen Weather in September
What's the weather like in Saint-Ouen (Picardie) in September 2025?
The climate in Saint-Ouen during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Saint-Ouen and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 18.9°C 65.9°F |
|---|---|
| Nightly temperature | 10.8°C 51.4°F |
| Average temperature | 14.8°C 58.6°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 65 mm 2.6 ins |
| Rainy days | 14 days |
| Sea temperature | 17.5°C 63.5°F |
| Humidity | 81% |
| Windspeed | 14kph 9 mph |
On average September is the 4th wettest month of the year in Saint-Ouen with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Saint-Ouen
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 Saint-Ouen in September 2025.
Other monthly averages
Best places to visit in September
Saint-Ouen weather stats
| Hottest month: | July | 21°C 69.8°F |
|---|---|---|
| Driest month: | April | 48mm 1.9ins |
| Sunniest month: | August | 7.6hrs |
| Coldest month: | January | 5.6°C 42.1°F |
| Wettest month: | November | 79mm 3.1ins |
© Google
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