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Geraardsbergen (Grammont) — Weatherlens — Weatherlens
Belgium / Geraardsbergen Grammont
Oost-Vlaanderen
Updated -16 hours ago ↓ 8.65°C/decennium </> Embed code
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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. 15.1°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). 265.5u
+2.1 u vs normal
💨 Wind September
i Average wind speed at 10 meters above ground. 14.3km/h
☁ Cloud cover September
i Average cloud cover as a percentage of the sky. 60.3%
💧 Humidity September
i Average relative humidity at 2 meters above ground. 76.2%
Monthly summary September 2025 was 1.3°C colder than normal with an average of 15.1°C. It was drier than usual: 44.3mm of rain, 29% less than normal. Sunshine was close to average with 266 hours.
coldest 33% — temperature(#3/3) driest 33% — precipitation(#3/3)
Did you know...# Coldest September in 3 years (15.1°C)# Driest September in 3 years (44.3 mm)~ 99% less rain than normal (September)! Daily record: 28.9°C on 7 September
Records 🔥
36.1 °C
Hottest day
31/07/2020
🥶
-6 °C
Coldest day
10/01/2024
🌊
27.800001 mm
Wettest day
29/06/2024
☀
15.014391276041666 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 11.1% 9.8 km/h NE 14.0% 12.6 km/h E 2.9% 7.7 km/h SE 8.5% 10 km/h S 22.8% 15.5 km/h SW 29.4% 18.9 km/h W 6.7% 13.8 km/h NW 4.6% 7.4 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table