Bielefeld
September
Weather in Bielefeld for September 2025
Your guide to Bielefeld weather in September - trends and predictions
In general, the average temperature in Bielefeld at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °C by the end of September.
Bielefeld sees moderate rainfall in September, averaging 9 rainy days.
Is September a good time to visit Bielefeld? check out the best time to travel to Bielefeld page.
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21
Dry days
9
Rainy days
0
Snow days
23°/13°
Temperatures
15 km/h
Avg max wind
68 %
Avg humidity
Bielefeld in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 24° | 3  25° | 4  23° | 5  28° | 6 28° | 7 28° |
| 8 26° | 9 23° | 10 23° | 11 23° | 12  21° | 13 16° | 14 18° |
| 15 21° | 16 22° | 17 23° | 18 23° | 19 21° | 20 23° | 21  24° |
| 22 21° | 23 18° | 24  18° | 25 18° | 26 20° | 27 20° | 28 17° |
| 29 19° | 30 16° |
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Temperatures trend during September in Bielefeld
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 22° /13° | 3.5 mm | 6 | |
| 2 Sept. | Patchy rain possible | 24° /14° | 0.4 mm | 6 | |
| 3 Sept. | Overcast | 25° /15° | 0.1 mm | 6 | |
| 4 Sept. | Partly cloudy | 23° /14° | 3.1 mm | 6 | |
| 5 Sept. | Sunny | 28° /16° | 0.3 mm | 7 | |
| 6 Sept. | Sunny | 28° /17° | 0 mm | 7 | |
| 7 Sept. | Sunny | 28° /15° | 0 mm | 7 | |
| 8 Sept. | Sunny | 26° /16° | 1 mm | 6 | |
| 9 Sept. | Sunny | 23° /15° | 8.3 mm | 6 | |
| 10 Sept. | Sunny | 23° /13° | 1.4 mm | 6 | |
| 11 Sept. | Sunny | 23° /13° | 7.2 mm | 6 | |
| 12 Sept. | Thundery outbreaks possible | 21° /12° | 2 mm | 5 | |
| 13 Sept. | Overcast | 16° /8° | 2.3 mm | 4 | |
| 14 Sept. | Sunny | 18° /8° | 0.1 mm | 5 | |
| 15 Sept. | Partly cloudy | 21° /8° | 0 mm | 5 | |
| 16 Sept. | Partly cloudy | 22° /13° | 0.2 mm | 6 | |
| 17 Sept. | Light rain shower | 23° /12° | 0.9 mm | 6 | |
| 18 Sept. | Partly cloudy | 23° /14° | 0.3 mm | 6 | |
| 19 Sept. | Patchy rain possible | 21° /13° | 0.1 mm | 5 | |
| 20 Sept. | Overcast | 23° /13° | 0.1 mm | 6 | |
| 21 Sept. | Patchy light drizzle | 24° /12° | 7.2 mm | 6 | |
| 22 Sept. | Light drizzle | 21° /12° | 2 mm | 5 | |
| 23 Sept. | Light drizzle | 18° /11° | 0.8 mm | 5 | |
| 24 Sept. | Mist | 18° /9° | 1.6 mm | 4 | |
| 25 Sept. | Overcast | 18° /11° | 7.2 mm | 5 | |
| 26 Sept. | Overcast | 20° /11° | 5.1 mm | 5 | |
| 27 Sept. | Overcast | 20° /11° | 1.6 mm | 5 | |
| 28 Sept. | Partly cloudy | 17° /10° | 1 mm | 5 | |
| 29 Sept. | Light rain shower | 19° /10° | 2.1 mm | 4 | |
| 30 Sept. | Fog | 16° /8° | 4.6 mm | 4 | |
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Important Notice
Our weather forecast for Bielefeld in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Bielefeld forecast closer to your planned date for the most up-to-date weather information.
Bielefeld in September - FAQ
What are the expected maximum and minimum temperatures in Bielefeld during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bielefeld during September?
In September, Bielefeld can expect light to moderate rainfall, totaling 40.3 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Bielefeld during September?
The average wind speed in Bielefeld during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Bielefeld in September?
As you prepare for your trip to Bielefeld in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Bielefeld, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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