Bremen
September
Weather in Bremen for September 2025
Your guide to Bremen weather in September - trends and predictions
In general, the average temperature in Bremen at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18 °C by the end of September.
Bremen sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
23°/13°
Temperatures
17 km/h
Avg max wind
71 %
Avg humidity
Bremen in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  24° | 3  23° | 4 23° | 5  29° | 6 28° | 7 28° |
| 8 26° | 9  23° | 10 22° | 11 22° | 12 20° | 13 16° | 14 17° |
| 15 20° | 16 22° | 17  22° | 18  24° | 19 22° | 20 23° | 21 24° |
| 22 21° | 23 19° | 24 18° | 25 18° | 26 19° | 27 18° | 28 17° |
| 29 19° | 30 17° |
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Temperatures trend during September in Bremen
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. | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 2 Sept. | Cloudy | 24° /12° | 0.1 mm | 6 | |
| 3 Sept. | Mist | 23° /14° | 1.2 mm | 6 | |
| 4 Sept. | Partly cloudy | 23° /13° | 3.8 mm | 6 | |
| 5 Sept. | Sunny | 29° /15° | 0.2 mm | 7 | |
| 6 Sept. | Sunny | 28° /16° | 0 mm | 7 | |
| 7 Sept. | Sunny | 28° /15° | 0 mm | 7 | |
| 8 Sept. | Sunny | 26° /15° | 0.8 mm | 6 | |
| 9 Sept. | Overcast | 23° /15° | 22.7 mm | 5 | |
| 10 Sept. | Sunny | 22° /12° | 2 mm | 6 | |
| 11 Sept. | Sunny | 22° /12° | 9.1 mm | 5 | |
| 12 Sept. | Cloudy | 20° /10° | 0.1 mm | 5 | |
| 13 Sept. | Overcast | 16° /8° | 9.5 mm | 4 | |
| 14 Sept. | Sunny | 17° /8° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 20° /7° | 0 mm | 5 | |
| 16 Sept. | Partly cloudy | 22° /11° | 0.2 mm | 6 | |
| 17 Sept. | Patchy light drizzle | 22° /11° | 0.2 mm | 6 | |
| 18 Sept. | Patchy rain possible | 24° /14° | 0.4 mm | 5 | |
| 19 Sept. | Patchy rain possible | 22° /12° | 0.2 mm | 5 | |
| 20 Sept. | Overcast | 23° /14° | 0.3 mm | 6 | |
| 21 Sept. | Cloudy | 24° /12° | 2.6 mm | 6 | |
| 22 Sept. | Light drizzle | 21° /11° | 1.7 mm | 5 | |
| 23 Sept. | Light rain shower | 19° /11° | 3.1 mm | 5 | |
| 24 Sept. | Mist | 18° /10° | 1.2 mm | 4 | |
| 25 Sept. | Overcast | 18° /10° | 7.9 mm | 4 | |
| 26 Sept. | Sunny | 19° /11° | 6.9 mm | 5 | |
| 27 Sept. | Partly cloudy | 18° /10° | 2.9 mm | 5 | |
| 28 Sept. | Partly cloudy | 17° /10° | 0.9 mm | 5 | |
| 29 Sept. | Light rain shower | 19° /9° | 0.3 mm | 5 | |
| 30 Sept. | Patchy rain possible | 17° /9° | 2.1 mm | 4 | |
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Important Notice
Our weather forecast for Bremen 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 Bremen forecast closer to your planned date for the most up-to-date weather information.
Bremen in September - FAQ
What are the expected maximum and minimum temperatures in Bremen 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 Bremen during September?
In September, Bremen can expect light to moderate rainfall, totaling 36.1 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Bremen during September?
The average wind speed in Bremen during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Bremen in September?
As you prepare for your trip to Bremen 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 Bremen, 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
September rainfall patterns in Bremen
Explore the daily rainfall trends and prepare for Bremens September weather 💧
UV exposure in Bremen during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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