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Leiden — Weatherlens — Weatherlens
Netherlands / Leiden Zuid-Holland
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Jaren: 2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
Data: 14/30 (47%) 🌡 Temperature September
i Average daily temperature based on hourly measurements at 2 meters above ground. 17.9°C
+1.3 °C vs normal
Based on 14/30 days
🌧 Precipitation September
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine September
i Total hours of direct sunshine (>120 W/m²). 109.3u
-23.9 u vs normal
Based on 14/30 days
💨 Wind September
i Average wind speed at 10 meters above ground. 18.3km/h
+3.9 km/h vs normal
Based on 14/30 days
☁ Cloud cover September
i Average cloud cover as a percentage of the sky. 73.7%
+12.8 % vs normal
Based on 14/30 days
💧 Humidity September
i Average relative humidity at 2 meters above ground. 78.3%
-0.4 % vs normal
Based on 14/30 days
4 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 17.9°C. It was drier than usual: 56.8mm of rain, 41% less than normal. Less sun than usual with 109 hours, 62% less than normal.
driest 25% — precipitation(#4/4) gloomiest 25% — sunshine(#4/4)
# Driest September in 4 years (56.8 mm)~ 89% less rain than normal (September)! Daily record: 20.4°C on 13 September
Records 🔥
35.2 °C
Hottest day
01/07/2025
🥶
-5.4 °C
Coldest day
09/01/2024
🌊
30.300001 mm
Wettest day
27/10/2025
☀
16.01284939236111 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 1.5% 5.5 km/h NE 0.9% 6.7 km/h E 1.5% 5.3 km/h SE 5.1% 10.4 km/h S 19.3% 11.2 km/h SW 32.7% 21 km/h W 29.2% 23.8 km/h NW 9.8% 16 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table