September 2026 was 0.6°C warmer than normal with an average of 17.5°C. It was drier than usual: 47.0mm of rain, 27% less than normal. A sunny month with 306 hours of sunshine, 12% more than normal.

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~98% less rain than normal (September)—Longest dry streak: 7 consecutive days—4 summer days (max ≥ 25°C)!Daily record: 23.4°C on 14 September

Records

🔥

36.2 °C

Hottest day

01/07/2025

🥶

-7.3 °C

Coldest day

18/01/2024

🌊

29.899998 mm

Wettest day

18/06/2024

☀

15.895886501736111 u

Sunniest day

25/06/2023

Wind Rose

Wind direction distribution — September 2026

NNEESESSWWNW

Dir	%	Avg
N	4.6%	8.3 km/h
NE	3.8%	7.9 km/h
E	2.4%	6.6 km/h
SE	8.1%	8.3 km/h
S	14.4%	9.5 km/h
SW	39.3%	14.2 km/h
W	19.4%	13.1 km/h
NW	8.1%	10.5 km/h

Wind Rose

Wind direction distribution — September 2026

NNEESESSWWNW

Dir	%	Avg
N	4.6%	8.3 km/h
NE	3.8%	7.9 km/h
E	2.4%	6.6 km/h
SE	8.1%	8.3 km/h
S	14.4%	9.5 km/h
SW	39.3%	14.2 km/h
W	19.4%	13.1 km/h
NW	8.1%	10.5 km/h

Mechelen

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Temperature (°C)

Precipitation (mm)

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