Lille Weather in September
What's the weather like in Lille (Flanders) in September 2024?
The climate in Lille during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Lille and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 19.3°C 66.7°F |
|---|---|
| Nightly temperature | 10.1°C 50.2°F |
| Average temperature | 14.7°C 58.5°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 64 mm 2.5 ins |
| Rainy days | 14 days |
| Sea temperature | 17.7°C 63.9°F |
| Humidity | 80% |
| Windspeed | 13.7kph 9 mph |
On average September is the 4th driest month of the year in Lille with around 64mm 2.5 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 5.6 hours of sunshine per day.
September temperatures in Lille
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 Lille in September 2024.
Other monthly averages
Best places to visit in September
Lille weather stats
| Hottest month: | July | 22.2°C 72°F |
|---|---|---|
| Driest month: | February | 50mm 2ins |
| Sunniest month: | August | 7.1hrs |
| Coldest month: | January | 4.9°C 40.8°F |
| Wettest month: | November | 77mm 3ins |
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