Rietberg Weather in September
What's the weather like in Rietberg (North Rhine-Westphalia) in September 2025?
The climate in Rietberg during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Rietberg and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 18.9°C 65.9°F |
|---|---|
| Nightly temperature | 10°C 49.9°F |
| Average temperature | 14.4°C 57.9°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 59 mm 2.3 ins |
| Rainy days | 14 days |
| Sea temperature | 18.1°C 64.6°F |
| Humidity | 80% |
| Windspeed | 10.8kph 7 mph |
On average September is the 5th driest month of the year in Rietberg with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
September temperatures in Rietberg
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Rietberg in September 2025.
Other monthly averages
Best places to visit in September
Rietberg weather stats
| Hottest month: | July | 22.1°C 71.8°F |
|---|---|---|
| Driest month: | February | 48mm 1.9ins |
| Sunniest month: | August | 6.8hrs |
| Coldest month: | January | 3.1°C 37.6°F |
| Wettest month: | June | 81mm 3.2ins |
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