What is the weather like in Brussels vs Ostend in September?

In September, Brussels averages 21°C high / 12°C low with about 63 mm of rain; Ostend averages 20°C high / 11°C low with about 83 mm.

Brussels vs Ostend in September

Brussels is the better pick in September — 86 vs 78 on SeasonMap's comfort score. Brussels is nice, a little rain, clean air, while Ostend is nice, rainy, clean air.

Brussels vs Ostend — September climate, side by side

	🇧🇪 Brussels	🇧🇪 Ostend
Comfort score	86/100 (A)	78/100 (B)
Feels-like high	20°C	18°C
Avg high / low	21° / 12°	20° / 11°
Rainfall	63 mm	83 mm
Rainy days	11	12
Humidity	76%	76%
Air quality (AQI)	45	44

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Brussels vs Ostend in September — FAQ

Is September better in Brussels or Ostend?: Brussels is the better pick in September — 86 vs 78 on SeasonMap's comfort score. Brussels is nice, a little rain, clean air, while Ostend is nice, rainy, clean air.
What is the weather like in Brussels vs Ostend in September?: In September, Brussels averages 21°C high / 12°C low with about 63 mm of rain; Ostend averages 20°C high / 11°C low with about 83 mm.