Lille
September
Weather in Lille for September 2025
Your guide to Lille weather in September - trends and predictions
In general, the average temperature in Lille at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °C by the end of September.
Lille sees moderate rainfall in September, averaging 9 rainy days.
Is September a good time to visit Lille? check out the best time to travel to Lille page.
- New! Chat with our AI weatherman - it’s amazing and free.
21
Dry days
9
Rainy days
0
Snow days
24°/15°
Temperatures
17 km/h
Avg max wind
65 %
Avg humidity
Lille in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  26° | 3  25° | 4  24° | 5 25° | 6 24° | 7 28° |
| 8 26° | 9 25° | 10  25° | 11 21° | 12 19° | 13 19° | 14 21° |
| 15 23° | 16 23° | 17  23° | 18 24° | 19 22° | 20 23° | 21  23° |
| 22 20° | 23 18° | 24 19° | 25 18° | 26 20° | 27 19° | 28 17° |
| 29 18° | 30 17° |
You can click on date
Access Lille weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Lille
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 26° /16° | 23 mm | 7 | |
| 2 Sept. | Mist | 26° /16° | 3.8 mm | 6 | |
| 3 Sept. | Overcast | 25° /16° | 0.3 mm | 6 | |
| 4 Sept. | Sunny | 24° /15° | 0.1 mm | 6 | |
| 5 Sept. | Sunny | 25° /15° | 1 mm | 6 | |
| 6 Sept. | Sunny | 24° /16° | 5.4 mm | 6 | |
| 7 Sept. | Sunny | 28° /15° | 4.9 mm | 7 | |
| 8 Sept. | Sunny | 26° /16° | 2.2 mm | 7 | |
| 9 Sept. | Sunny | 25° /16° | 1.5 mm | 6 | |
| 10 Sept. | Partly cloudy | 25° /16° | 2.5 mm | 6 | |
| 11 Sept. | Patchy rain possible | 21° /13° | 2.2 mm | 6 | |
| 12 Sept. | Overcast | 19° /11° | 0.3 mm | 4 | |
| 13 Sept. | Overcast | 19° /11° | 1.8 mm | 5 | |
| 14 Sept. | Partly cloudy | 21° /11° | 0 mm | 6 | |
| 15 Sept. | Partly cloudy | 23° /11° | 0 mm | 7 | |
| 16 Sept. | Partly cloudy | 23° /13° | 0.4 mm | 6 | |
| 17 Sept. | Cloudy | 23° /14° | 0.2 mm | 6 | |
| 18 Sept. | Patchy rain possible | 24° /14° | 2.2 mm | 6 | |
| 19 Sept. | Patchy rain possible | 22° /14° | 0 mm | 6 | |
| 20 Sept. | Patchy rain possible | 23° /13° | 0.1 mm | 5 | |
| 21 Sept. | Moderate rain | 23° /13° | 9.8 mm | 6 | |
| 22 Sept. | Light rain shower | 20° /13° | 5.8 mm | 5 | |
| 23 Sept. | Patchy rain possible | 18° /11° | 4.4 mm | 5 | |
| 24 Sept. | Sunny | 19° /11° | 0.7 mm | 5 | |
| 25 Sept. | Patchy rain possible | 18° /12° | 7.6 mm | 4 | |
| 26 Sept. | Partly cloudy | 20° /13° | 4.5 mm | 5 | |
| 27 Sept. | Partly cloudy | 19° /12° | 4.7 mm | 5 | |
| 28 Sept. | Partly cloudy | 17° /10° | 0.8 mm | 5 | |
| 29 Sept. | Light rain shower | 18° /10° | 0.6 mm | 4 | |
| 30 Sept. | Sunny | 17° /11° | 2.1 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Lille in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Lille forecast closer to your planned date for the most up-to-date weather information.
Lille in September - FAQ
What are the expected maximum and minimum temperatures in Lille during September?
During September, expect a variety of temperatures with highs around 24° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Lille during September?
Moderate rainfall is anticipated in Lille during September, with a total of 73.7 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Lille during September?
The average wind speed in Lille during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Lille in September?
As you prepare for your trip to Lille in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Lille, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Lille
Explore the daily rainfall trends and prepare for Lilles September weather 💧
UV exposure in Lille during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
Where is Lille?Get accurate weather forecasts for Lille, located at latitude 50.633 and longitude 3.059. Stay updated with localized weather information tailored for Lille.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.