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
Dalhem — Weatherlens — Weatherlens
Belgium / Dalhem Luik
Updated -4 hours ago ↓ 8.7°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
🌡 Temperature September
i Average daily temperature based on hourly measurements at 2 meters above ground. 15.0°C
-1.3 °C vs normal
🌧 Precipitation September
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine September
i Total hours of direct sunshine (>120 W/m²). 270.0u
-8.7 u vs normal
💨 Wind September
i Average wind speed at 10 meters above ground. 14.6km/h
☁ Cloud cover September
i Average cloud cover as a percentage of the sky. 63.9%
💧 Humidity September
i Average relative humidity at 2 meters above ground. 76.8%
3 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary September 2025 was 1.3°C colder than normal with an average of 15.0°C. It was drier than usual: 96.6mm of rain, 18% less than normal. Sunshine was close to average with 270 hours.
coldest 33% — temperature(#3/3) driest 33% — precipitation(#3/3)
Did you know...# Coldest September in 3 years (15.0°C)# Driest September in 3 years (96.6 mm)~ 97% less rain than normal (September)! Daily record: 26.0°C on 19 September
Records 🔥
36.1 °C
Hottest day
26/06/2026
🥶
-10.3 °C
Coldest day
14/01/2025
🌊
82.69999 mm
Wettest day
22/06/2023
☀
15.604605034722223 u
Sunniest day
21/06/2025
Download Temperature (°C) CSV Download Precipitation (mm) CSV
Cloud cover 2025 vs 2025 vs 2024 vs normal
Wind Rose Wind direction distribution — September 2025
Dir % Avg N 7.1% 9.6 km/h NE 15.6% 14.1 km/h E 3.3% 6.4 km/h SE 6.9% 8.1 km/h S 21.8% 14.4 km/h SW 35.8% 18.9 km/h W 5.8% 13.4 km/h NW 3.6% 8 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table