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
Viroinval — Weatherlens — Weatherlens
Belgium / Viroinval Namen
Updated -16 hours ago ↓ 9.35°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. 16.9°C
+1.3 °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). 118.6u
+13.2 u vs normal
Based on 12/30 days
💨 Wind September
i Average wind speed at 10 meters above ground. 9.2km/h
Based on 12/30 days
☁ Cloud cover September
i Average cloud cover as a percentage of the sky. 61.5%
Based on 12/30 days
💧 Humidity September
i Average relative humidity at 2 meters above ground. 71.5%
Based on 12/30 days
3 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary September 2026 was 1.3°C warmer than normal with an average of 16.9°C. It was drier than usual: 7.6mm of rain, 90% less than normal. Less sun than usual with 119 hours, 55% less than normal.
driest 25% — precipitation(#4/4) gloomiest 25% — sunshine(#4/4)
# Driest September in 4 years (7.6 mm)~ 98% less rain than normal (September)! Daily record: 29.3°C on 7 September
Records 🔥
36.2 °C
Hottest day
27/06/2026
🥶
-6.8 °C
Coldest day
19/01/2024
🌊
47.799995 mm
Wettest day
22/06/2023
☀
15.691614583333333 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 0.3% 5.3 km/h NE 0.7% 1.7 km/h E 3.5% 5.3 km/h SE 8.3% 5.5 km/h S 18.8% 6.5 km/h SW 30.6% 11.1 km/h W 29.9% 11.3 km/h NW 8.0% 7.4 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table