Monthly climate guide
Bremen weather in September
September in Bremen is typically mild, with average daytime highs around 20°C (67°F) and night-time lows near 10°C (50°F). The month usually brings about 50 mm of rain (some rain) and is often cloudy. Daytime highs are 4°C cooler than August and 5°C warmer than October.
What stands out in September
- It cools down fast from here: October is about 5°C cooler.
- Just 130 km apart, but Bremen runs about 2°C warmer than Norderney this month.
- Seasonally, September counts as early autumn in Bremen.
Avg high
20°C
67°F
Avg low
10°C
50°F
Rainfall
50 mm
some rain
Humidity
80%
relative
Sky
68%
cloud · often cloudy
Bremen weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 4°C / 39°F | -1°C / 31°F | 73 mm | 93% | 81% |
| February | 5°C / 42°F | -1°C / 30°F | 51 mm | 90% | 76% |
| March | 9°C / 49°F | 1°C / 33°F | 44 mm | 85% | 69% |
| April | 14°C / 58°F | 4°C / 39°F | 36 mm | 79% | 62% |
| May | 18°C / 64°F | 7°C / 45°F | 52 mm | 78% | 66% |
| June | 21°C / 70°F | 11°C / 52°F | 68 mm | 78% | 71% |
| July | 23°C / 73°F | 13°C / 55°F | 71 mm | 76% | 69% |
| August | 23°C / 74°F | 13°C / 56°F | 63 mm | 76% | 66% |
| September | 20°C / 67°F | 10°C / 50°F | 50 mm | 80% | 68% |
| October | 15°C / 58°F | 7°C / 44°F | 65 mm | 87% | 72% |
| November | 9°C / 47°F | 3°C / 38°F | 51 mm | 93% | 76% |
| December | 6°C / 42°F | 2°C / 35°F | 78 mm | 94% | 82% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is September a good time to visit Bremen?
Compare the months in the chart above to find your ideal window.
Best time to visit Bremen →Other Germany cities in September
Cite or embed this data
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Bremen weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/germany/bremen/september
<a href="https://weathercompare.eu/weather/germany/bremen/september">Bremen weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/germany/bremen" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Bremen weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/germany/bremen/september">Bremen weather in September</a> – WeatherCompare</p>
Bremen in September: quick answers
Is September a good time to visit Bremen?
Yes. September is one of the best months for Bremen, with highs around 20°C and about 50 mm of rain.
How warm is Bremen in September?
Average highs are about 20°C (67°F) and average lows about 10°C (50°F), based on 10 years of daily data.
Does it rain a lot in Bremen in September?
Bremen typically gets around 50 mm of rain in September — some rain.
Figures are long-term averages for the area around Bremen (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.