Skip to content Weatherlens
Weather data: Open-Meteo.com (CC BY 4.0)
Historical data, no forecasts. Climate normals based on 30-year average.
Copernicus/ERA5 : Contains modified Copernicus Climate Change Service information. Neither the European Commission nor ECMWF is responsible for any use of the information.
Weather Reports API Privacy Contact RSS
Koekelberg — Weatherlens — Weatherlens
Belgium / Koekelberg Brussel
Updated -20 hours ago ↓ 6.05°C/decennium </> Embed code
Share link Share as image
Jaren: 2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
Data: 12/30 (40%) 🌡 Temperature September
i Average daily temperature based on hourly measurements at 2 meters above ground. 18.6°C
+1.8 °C vs normal
Based on 12/30 days
🌧 Precipitation September
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine September
i Total hours of direct sunshine (>120 W/m²). 104.3u
0.0 u vs normal
Based on 12/30 days
💨 Wind September
i Average wind speed at 10 meters above ground. 12.6km/h
Based on 12/30 days
☁ Cloud cover September
i Average cloud cover as a percentage of the sky. 71.4%
Based on 12/30 days
💧 Humidity September
i Average relative humidity at 2 meters above ground. 70.1%
Based on 12/30 days
Monthly summary September 2026 was 1.8°C warmer than normal with an average of 18.6°C. It was drier than usual: 15.3mm of rain, 79% less than normal. Less sun than usual with 104 hours, 60% less than normal.
driest 25% — precipitation(#4/4) gloomiest 25% — sunshine(#4/4)
Did you know...# Driest September in 4 years (15.3 mm)~ 98% less rain than normal (September)
Records 🔥
36.2 °C
Hottest day
01/07/2025
🥶
-6.4 °C
Coldest day
18/01/2024
🌊
30.700003 mm
Wettest day
29/06/2024
☀
15.044780815972222 u
Sunniest day
21/06/2025
Download Temperature (°C) CSV Download Precipitation (mm) CSV
Cloud cover 2026 vs 2025 vs 2024 vs normal
Wind Rose Wind direction distribution — September 2026
Dir % Avg N 0.8% 9.2 km/h NE 0.8% 6.7 km/h E 1.9% 6.2 km/h SE 7.6% 7.4 km/h S 11.0% 9.2 km/h SW 49.2% 14.3 km/h W 25.4% 14.4 km/h NW 3.4% 11 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table