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Delft — Weatherlens — Weatherlens
Netherlands / Delft Zuid-Holland
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Jaren: 2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
Data: 18/30 (60%) 🌡 Temperature September
i Average daily temperature based on hourly measurements at 2 meters above ground. 17.7°C
+1.2 °C vs normal
Based on 18/30 days
🌧 Precipitation September
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine September
i Total hours of direct sunshine (>120 W/m²). 153.6u
-15.0 u vs normal
Based on 18/30 days
💨 Wind September
i Average wind speed at 10 meters above ground. 17.0km/h
+4.0 km/h vs normal
Based on 18/30 days
☁ Cloud cover September
i Average cloud cover as a percentage of the sky. 71.6%
+10.5 % vs normal
Based on 18/30 days
💧 Humidity September
i Average relative humidity at 2 meters above ground. 79.2%
+0.2 % vs normal
Based on 18/30 days
4 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary September 2026 was 1.2°C warmer than normal with an average of 17.7°C. It was drier than usual: 63.2mm of rain, 27% less than normal. Less sun than usual with 154 hours, 45% less than normal.
gloomiest 25% — sunshine(#4/4)
~ 93% less rain than normal (September)— 3 heavy rain days (≥ 10mm)! Daily record: 20.5°C on 13 September
Records 🔥
36.3 °C
Hottest day
01/07/2025
🥶
-5.9 °C
Coldest day
11/01/2026
🌊
27.999998 mm
Wettest day
21/09/2023
☀
16.00201388888889 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 0.2% 6.8 km/h NE 1.5% 5.3 km/h E 1.0% 6.8 km/h SE 3.9% 10.8 km/h S 15.4% 11.4 km/h SW 37.7% 18.5 km/h W 30.1% 19.7 km/h NW 10.0% 14.7 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table