September weather forecastOstend, Belgium
September
Weather in September
September signals the arrival of autumn in Ostend, Belgium, with a subtle shift in weather conditions. Daylight decreases, indicating the winding down of the summer season while still providing suitable conditions for outdoor activities. The temperatures show a declining trend compared to August, but still propose a pleasant climate, making it one of the favorite months for visitors. On the other hand, an increase in average rainfall to 80mm (3.15") makes it the wettest month so far. Hence, despite the crisp autumn air, carrying a raincoat on-hand proves beneficial.Temperature
September's arrival registers an average high-temperature of a refreshing 18.3°C (64.9°F), closely aligning with the temperature of the previous month. In September, the average low-temperature records at a fresh 10.2°C (50.4°F) during the nights.Rainfall
In Ostend, Belgium, in September, it is raining for 11 days, with typically 80mm (3.15") of accumulated precipitation. In Ostend, during the entire year, the rain falls for 127 days and collects up to 762mm (30") of precipitation.Daylight
In Ostend, Belgium, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 07:02 and sunset at 20:33. On the last day of September, sunrise is at 07:48 and sunset at 19:28 CEST.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ostend, Belgium
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).
Average rainfall in September
Ostend, Belgium
- Average rainfall in September: 79.9mm
The wettest month (with the highest rainfall) is November (83.9mm).
The driest month (with the least rainfall) is February (44.5mm).
Average rainfall days in September
Ostend, Belgium
- Average rainfall days in September: 11 days
The months with the highest number of rainy days are January, November and December (13 days).
The months with the least rainy days are July and August (8 days).
Average daylight in September
Ostend, Belgium
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).





