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The temperatures in North Rhine Westphalia in September are usually low and can range between 11°C and 20°C.
You can expect about 3 to 8 days of rain in North Rhine Westphalia during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in North Rhine Westphalia in September 2025.
If you’re planning to visit North Rhine Westphalia in the near future, we highly recommend that you review the 14 day weather forecast for North Rhine Westphalia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 0° | 8 | 14 | 9 | 64 mm | Awful | North Rhine Westphalia in January |
| February | 6° / 1° | 7 | 15 | 6 | 53 mm | Awful | North Rhine Westphalia in February |
| March | 10° / 3° | 6 | 22 | 3 | 45 mm | Bad | North Rhine Westphalia in March |
| April | 15° / 6° | 4 | 25 | 1 | 35 mm | Good | North Rhine Westphalia in April |
| May | 18° / 8° | 5 | 26 | 0 | 66 mm | Good | North Rhine Westphalia in May |
| June | 21° / 12° | 5 | 25 | 0 | 74 mm | Good | North Rhine Westphalia in June |
| July | 23° / 14° | 6 | 25 | 0 | 86 mm | Perfect | North Rhine Westphalia in July |
| August | 23° / 14° | 4 | 27 | 0 | 67 mm | Perfect | North Rhine Westphalia in August |
| September | 20° / 11° | 3 | 27 | 0 | 47 mm | Good | North Rhine Westphalia in September |
| October | 15° / 8° | 5 | 26 | 0 | 50 mm | Good | North Rhine Westphalia in October |
| November | 9° / 4° | 6 | 22 | 2 | 47 mm | Bad | North Rhine Westphalia in November |
| December | 6° / 2° | 9 | 17 | 6 | 71 mm | Awful | North Rhine Westphalia in December |
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