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Weather in Bremen for September 2025

Your guide to Bremen weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Bremen is slightly cooler than the historical average by -1.5 °C.

  • Expect cooler weather in the next days in Bremen with the forecast suggesting a temperature of 21.1 °C, lower than the historical average.

  • In general, the average temperature in Bremen at the beginning of September is 24.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Bremen in September is notably wet, with an average of 15 rainy days, and a total of 80.6 mm of precipitation.

    • More

  • Is September a good time to visit Bremen? check out the best time to travel to Bremen page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Bremen Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
22°
2
Cloudy
23°
3
Mist
23°
4
Partly cloudy
24°
5
Sunny
27°
6
Sunny
27°
7
Sunny
27°
8
Sunny
26°
9
Overcast
23°
10
Light rain shower
22°
11
Light rain shower
21°
12
Patchy rain possible
20°
13
Light rain shower
17°
14
Sunny
18°
15
Moderate rain
20°
16
Patchy rain possible
17°
17
Patchy rain possible
18°
18
Patchy rain possible
22°
19
Partly cloudy
27°
20
Patchy rain possible
27°
21
Patchy rain possible
15°
22
Overcast
17°
23
Patchy rain possible
24°
24
Sunny
22°
25
Patchy rain possible
23°
26
Patchy rain possible
21°
27
Patchy rain possible
22°
28
Patchy rain possible
21°
29
Light rain shower
19°
30
Patchy rain possible
17°

Temperatures trend during September in Bremen

See the weather trend as well as the moving average line

September weather in Bremen day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 22° /12° 0.4 mm 5
2 Sept. Cloudy
Cloudy
 23° /12° 0 mm 6
3 Sept. Mist
Mist
 23° /14° 0.9 mm 5
4 Sept. Partly cloudy
Partly cloudy
 24° /14° 2.9 mm 5
5 Sept. Sunny
Sunny
 27° /14° 0.7 mm 6
6 Sept. Sunny
Sunny
 27° /14° 0 mm 7
7 Sept. Sunny
Sunny
 27° /14° 0 mm 6
8 Sept. Sunny
Sunny
 26° /14° 0.6 mm 6
9 Sept. Overcast
Overcast
 23° /15° 17.7 mm 5
10 Sept. Light rain shower
Light rain shower
 22° /12° 1.5 mm 5
11 Sept. Light rain shower
Light rain shower
 21° /12° 6.4 mm 5
12 Sept. Patchy rain possible
Patchy rain possible
 20° /10° 0.2 mm 5
13 Sept. Light rain shower
Light rain shower
 17° /8° 7.8 mm 4
14 Sept. Sunny
Sunny
 18° /8° 0.5 mm 5
15 Sept. Moderate rain
Moderate rain
 20° /12° 7.2 mm 0.9
16 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 4.9 mm 0.6
17 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 0.6 mm 0.8
18 Sept. Patchy rain possible
Patchy rain possible
 22° /14° 2.5 mm 0.7
19 Sept. Partly cloudy
Partly cloudy
 27° /14° 0 mm 1
20 Sept. Patchy rain possible
Patchy rain possible
 27° /13° 0.4 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
 15° /13° 0.2 mm 3
22 Sept. Overcast
Overcast
 17° /13° 0 mm 3
23 Sept. Patchy rain possible
Patchy rain possible
 24° /12° 0.6 mm 4
24 Sept. Sunny
Sunny
 22° /12° 0 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 23° /14° 0.2 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 21° /15° 0.1 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 22° /15° 0.5 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 21° /14° 0.3 mm 4
29 Sept. Light rain shower
Light rain shower
 19° /9° 0.3 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 2.1 mm 4
Next
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.
Change Month
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›

Bremen weather in September vs August vs October

Compare September weather in Bremen with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures23°/13°21°/12°14°/8°
Rainfall92 mm81 mm99 mm
Wind18.3 km/h19.3 km/h22.5 km/h
Humidity76%72%83%
Rainy days21 days15 days21 days
Dry days10 days15 days10 days

Planning a trip to Bremen? Discover the best time to visit

Bremen in September - FAQ

What are the expected maximum and minimum temperatures in Bremen during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bremen during September?
Moderate rainfall is anticipated in Bremen during September, with a total of 80.6 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Bremen during September?
The average wind speed in Bremen during September is 19 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 ☀️

Quick links

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Location coordinates Where is Bremen?

Get accurate weather forecasts for Bremen, located at latitude 53.076 and longitude 8.807. Stay updated with localized weather information tailored for Bremen.

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