Monthly climate guide
Norderney weather in September
With highs near 18°C (65°F) and lows around 13°C (56°F), September feels mild in Norderney. Rainfall averages about 68 mm (some rain) and the sky is often cloudy. Daytime highs are 3°C cooler than August and 4°C warmer than October.
What stands out in September
- September is Norderney's third warmest month.
- Temperatures are falling — expect highs around 4°C lower by October.
- September brings early autumn to Norderney.
- Days and nights are close, only about 5°C apart.
Avg high
18°C
65°F
Avg low
13°C
56°F
Rainfall
68 mm
some rain
Humidity
80%
relative
Sky
71%
cloud · often cloudy
Norderney weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 5°C / 41°F | 2°C / 35°F | 85 mm | 90% | 84% |
| February | 5°C / 41°F | 1°C / 35°F | 60 mm | 88% | 80% |
| March | 7°C / 45°F | 3°C / 37°F | 51 mm | 87% | 73% |
| April | 11°C / 52°F | 6°C / 42°F | 39 mm | 82% | 67% |
| May | 15°C / 58°F | 9°C / 49°F | 50 mm | 80% | 69% |
| June | 18°C / 64°F | 13°C / 55°F | 70 mm | 80% | 73% |
| July | 20°C / 68°F | 15°C / 59°F | 72 mm | 78% | 72% |
| August | 21°C / 70°F | 16°C / 60°F | 81 mm | 78% | 70% |
| September | 18°C / 65°F | 13°C / 56°F | 68 mm | 80% | 71% |
| October | 14°C / 57°F | 10°C / 50°F | 78 mm | 85% | 78% |
| November | 9°C / 49°F | 6°C / 42°F | 65 mm | 90% | 81% |
| December | 7°C / 44°F | 4°C / 39°F | 95 mm | 91% | 85% |
What to pack for September
- A warm sweater or fleece for layering
- A mid-weight jacket
- A small travel umbrella, just in case
Is September a good time to visit Norderney?
Compare the months in the chart above to find your ideal window.
Best time to visit Norderney →Other Germany cities in September
Cite or embed this data
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Norderney weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/germany/norderney/september
<a href="https://weathercompare.eu/weather/germany/norderney/september">Norderney weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/germany/norderney" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Norderney weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/germany/norderney/september">Norderney weather in September</a> – WeatherCompare</p>
Norderney in September: quick answers
Is September a good time to visit Norderney?
Yes. September is one of the best months for Norderney, with highs around 18°C and about 68 mm of rain.
How warm is Norderney in September?
Average highs are about 18°C (65°F) and average lows about 13°C (56°F), based on 10 years of daily data.
Does it rain a lot in Norderney in September?
Norderney typically gets around 68 mm of rain in September — some rain.
Figures are long-term averages for the area around Norderney (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.