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Leidschendam-Voorburg — Weatherlens — Weatherlens
Netherlands / Leidschendam-Voorburg Zuid-Holland
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Jaren: 2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
Data: 11/30 (37%) 🌡 Temperature September
i Average daily temperature based on hourly measurements at 2 meters above ground. 17.4°C
+0.9 °C vs normal
Based on 11/30 days
🌧 Precipitation September
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine September
i Total hours of direct sunshine (>120 W/m²). 85.5u
-17.6 u vs normal
Based on 11/30 days
💨 Wind September
i Average wind speed at 10 meters above ground. 16.3km/h
+3.3 km/h vs normal
Based on 11/30 days
☁ Cloud cover September
i Average cloud cover as a percentage of the sky. 72.3%
+11.2 % vs normal
Based on 11/30 days
💧 Humidity September
i Average relative humidity at 2 meters above ground. 76.6%
-2.9 % vs normal
Based on 11/30 days
4 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary September 2026 was 0.9°C warmer than normal with an average of 17.4°C. It was drier than usual: 45.2mm of rain, 45% less than normal. Less sun than usual with 86 hours, 70% less than normal.
driest 25% — precipitation(#4/4) gloomiest 25% — sunshine(#4/4)
# Driest September in 4 years (45.2 mm)~ 84% less rain than normal (September)
Records 🔥
35.8 °C
Hottest day
01/07/2025
🥶
-5.8 °C
Coldest day
09/01/2024
🌊
30.1 mm
Wettest day
04/10/2025
☀
16.007564019097224 u
Sunniest day
26/06/2024
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 0.0% 0 km/h NE 0.4% 4.7 km/h E 0.4% 5 km/h SE 5.3% 7.6 km/h S 15.9% 10.2 km/h SW 34.5% 17.5 km/h W 34.5% 19.7 km/h NW 9.1% 15.1 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table