Flanders (Brugge)
September
Weather in Flanders for September 2025
Your guide to Flanders weather in September - trends and predictions
Until now, September 2025 in Flanders is slightly cooler than the historical average by -1 °C.
Expect cooler weather in the next days in Flanders with the forecast suggesting a temperature of 18.7 °C, lower than the historical average.
In general, the average temperature in Flanders at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.7 °C by the end of September.
The climate of Flanders in September is notably wet, with an average of 11 rainy days, and a total of 421.1 mm of precipitation.
Temperatures
Rain 🌧️
19
Dry days
11
Rainy days
0
Snow days
24°/11°
Temperatures
21 km/h
Avg max wind
72 %
Avg humidity
Flanders Weather September
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What’s the Weather Like in Flanders This September?
Discover the average temperatures and weather trends across Flanders’s cities this September.
Temperatures trend during September in Flanders
See the weather trend as well as the moving average line
September weather in Flanders day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 24° /14° | 9.2 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 24° /14° | 1.4 mm | 6 | |
| 3 Sept. |  Sunny | 24° /14° | 1 mm | 5 | |
| 4 Sept. |  Partly cloudy | 23° /13° | 0.4 mm | 6 | |
| 5 Sept. | Patchy rain possible | 24° /14° | 3.7 mm | 6 | |
| 6 Sept. | Overcast | 25° /14° | 4.2 mm | 6 | |
| 7 Sept. | Sunny | 28° /14° | 1.1 mm | 7 | |
| 8 Sept. | Sunny | 24° /15° | 2.4 mm | 6 | |
| 9 Sept. | Patchy rain possible | 22° /14° | 3.2 mm | 5 | |
| 10 Sept. | Patchy rain possible | 23° /14° | 3.3 mm | 5 | |
| 11 Sept. | Patchy rain possible | 20° /13° | 3 mm | 4 | |
| 12 Sept. | Light rain shower | 20° /11° | 3.1 mm | 5 | |
| 13 Sept. | Light rain shower | 19° /12° | 6.8 mm | 5 | |
| 14 Sept. |  Moderate or heavy rain shower | 19° /12° | 5.2 mm | 4 | |
| 15 Sept. | Partly cloudy | 20° /12° | 0.9 mm | 5 | |
| 16 Sept. | Partly cloudy | 19° /13° | 2.7 mm | 5 | |
| 17 Sept. | Patchy rain possible | 19° /12° | 2.9 mm | 0.3 | |
| 18 Sept. | Partly cloudy | 24° /15° | 0 mm | 1 | |
| 19 Sept. | Partly cloudy | 29° /15° | 0 mm | 1 | |
| 20 Sept. |  Moderate rain | 23° /18° | 6.7 mm | 0.5 | |
| 21 Sept. | Patchy rain possible | 17° /13° | 2.5 mm | 4 | |
| 22 Sept. | Patchy rain possible | 16° /12° | 2 mm | 3 | |
| 23 Sept. | Patchy rain possible | 15° /10° | 0.9 mm | 3 | |
| 24 Sept. | Patchy rain possible | 15° /10° | 1 mm | 3 | |
| 25 Sept. | Partly cloudy | 15° /8° | 0 mm | 4 | |
| 26 Sept. | Sunny | 16° /7° | 0 mm | 4 | |
| 27 Sept. | Patchy rain possible | 16° /8° | 0.3 mm | 3 | |
| 28 Sept. | Patchy rain possible | 17° /13° | 0.4 mm | 4 | |
| 29 Sept. | Sunny | 21° /11° | 0 mm | 4 | |
| 30 Sept. | Patchy rain possible | 17° /8° | 3.2 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Flanders 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 Flanders forecast closer to your planned date for the most up-to-date weather information.
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Flanders in September - FAQ
What are the expected maximum and minimum temperatures in Flanders during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Flanders during September?
Significant rainfall exceeding 421.1 mm is expected in Flanders during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Flanders during September?
The average wind speed in Flanders during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Flanders
Explore the daily rainfall trends and prepare for Flanderss September weather 💧
UV exposure in Flanders during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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