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
Sluis — Weatherlens — Weatherlens
Netherlands / Sluis Zeeland
Updated -11 hours ago </> Embed code
Share link Share as image
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. 17.6°C
+0.8 °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). 95.0u
-4.1 u vs normal
Based on 11/30 days
💨 Wind September
i Average wind speed at 10 meters above ground. 15.1km/h
+0.2 km/h vs normal
Based on 11/30 days
☁ Cloud cover September
i Average cloud cover as a percentage of the sky. 73.3%
+12.7 % vs normal
Based on 11/30 days
💧 Humidity September
i Average relative humidity at 2 meters above ground. 77.6%
+0.6 % vs normal
Based on 11/30 days
3 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary September 2026 was 0.8°C warmer than normal with an average of 17.6°C. It was drier than usual: 23.5mm of rain, 70% less than normal. Less sun than usual with 95 hours, 65% less than normal.
driest 25% — precipitation(#4/4) gloomiest 25% — sunshine(#4/4)
# Driest September in 4 years (23.5 mm)~ 93% less rain than normal (September)
Records 🔥
34.5 °C
Hottest day
01/07/2025
🥶
-5 °C
Coldest day
09/01/2024
🌊
27.1 mm
Wettest day
21/09/2023
☀
15.98870876736111 u
Sunniest day
25/06/2023
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 0.4% 2.2 km/h NE 0.0% 0 km/h E 0.4% 13.7 km/h SE 8.3% 8.3 km/h S 12.5% 10.1 km/h SW 42.1% 16.5 km/h W 31.3% 17 km/h NW 5.0% 17.7 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table