Ostend
September
Weather in Ostend for September 2025
Your guide to Ostend weather in September - trends and predictions
In general, the average temperature in Ostend at the beginning of September is 22.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.4 °C by the end of September.
Ostend experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 387.8 mm.
Temperatures
Rain 🌧️
22
Dry days
8
Rainy days
0
Snow days
22°/12°
Temperatures
24 km/h
Avg max wind
75 %
Avg humidity
Ostend Weather September
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Temperatures trend during September in Ostend
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September weather in Ostend day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 22° /15° | 6.2 mm | 5 | |
| 2 Sept. |  Partly cloudy | 22° /16° | 0.3 mm | 6 | |
| 3 Sept. |  Sunny | 21° /15° | 1.1 mm | 5 | |
| 4 Sept. | Sunny | 21° /15° | 0.1 mm | 5 | |
| 5 Sept. | Sunny | 23° /16° | 3.7 mm | 6 | |
| 6 Sept. | Sunny | 22° /16° | 2.8 mm | 6 | |
| 7 Sept. | Sunny | 24° /15° | 1.7 mm | 6 | |
| 8 Sept. | Sunny | 22° /16° | 3.5 mm | 5 | |
| 9 Sept. |  Moderate or heavy rain shower | 21° /16° | 4.9 mm | 5 | |
| 10 Sept. | Moderate rain at times | 22° /16° | 2.9 mm | 5 | |
| 11 Sept. | Overcast | 19° /15° | 3.4 mm | 4 | |
| 12 Sept. |  Patchy rain possible | 19° /14° | 2.8 mm | 5 | |
| 13 Sept. | Partly cloudy | 18° /14° | 5.8 mm | 5 | |
| 14 Sept. | Moderate or heavy rain shower | 18° /14° | 5 mm | 5 | |
| 15 Sept. | Partly cloudy | 19° /14° | 0.1 mm | 5 | |
| 16 Sept. | Partly cloudy | 18° /14° | 2.2 mm | 5 | |
| 17 Sept. | Partly cloudy | 19° /14° | 1.2 mm | 5 | |
| 18 Sept. |  Cloudy | 20° /14° | 3.1 mm | 5 | |
| 19 Sept. | Sunny | 19° /15° | 0.5 mm | 5 | |
| 20 Sept. | Partly cloudy | 19° /13° | 0.2 mm | 5 | |
| 21 Sept. | Sunny | 19° /12° | 4.9 mm | 5 | |
| 22 Sept. | Sunny | 19° /12° | 3.4 mm | 5 | |
| 23 Sept. | Overcast | 17° /12° | 6.4 mm | 4 | |
| 24 Sept. | Partly cloudy | 17° /12° | 2 mm | 5 | |
| 25 Sept. | Patchy rain possible | 17° /13° | 4 mm | 4 | |
| 26 Sept. | Patchy rain possible | 18° /14° | 7.7 mm | 4 | |
| 27 Sept. | Moderate or heavy rain shower | 17° /12° | 10 mm | 4 | |
| 28 Sept. | Patchy rain possible | 15° /12° | 1.1 mm | 4 | |
| 29 Sept. | Moderate rain at times | 15° /10° | 1.7 mm | 3 | |
| 30 Sept. | Moderate rain at times | 16° /11° | 4.3 mm | 4 | |
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Important Notice
Our weather forecast for Ostend 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 Ostend forecast closer to your planned date for the most up-to-date weather information.
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Ostend in September - FAQ
What are the expected maximum and minimum temperatures in Ostend during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ostend during September?
Significant rainfall exceeding 387.8 mm is expected in Ostend during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ostend during September?
The average wind speed in Ostend during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Ostend
Explore the daily rainfall trends and prepare for Ostends September weather 💧
UV exposure in Ostend during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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