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Bremen Weather in September
In Bremen, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.
Rainfall in Bremen in September
Typically, you can expect about 15 days of rain this month, with 67 mm (2.6 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Bremen in September
If you're visiting Bremen in September, expect excellent temperatures with highs of 20°C (68°F) and overnight lows of 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Bremen in September
The city usually sees around 152 hours of sunlight, indicating a moderately sunny period.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Bremen.
Bremen Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Chance of Rain
51%
Precipitation
67 mm (2.6 in)
Rainy days
15 days
Humidity
80%
Sunshine
152 hours
Percentage Sunshine
Bremen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bremen - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bremen typically drop from around 20°C (68°F) at the start of September to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in September
Historical weather records for Bremen in September
Browse day-by-day weather records for Bremen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bremen historical weather extremes in September
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Bremen.
- On September 13, 2016, temperatures climbed to 32°C (90°F), marking the warmest September day on record.
- The coldest September day was on September 30, 1995, with a maximum of 10°C (50°F).
- Nighttime temperatures dropped to 0°C (32°F) on September 23, 1979, marking the coldest September night on record.
Best Places in Germany in September
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Bremen in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Bremen in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping8/10 -
Outdoor sports10/10
Bremen 3-Day Forecast
More climate data for Bremen
Temperature Rainfall Sunshine Humidity
See the full Bremen climate overview or explore weather in Germany.
Popular in September
Where to go in September - average daytime high across popular destinations.
Berlin
21°C (70°F) Hanover20°C (68°F) Cologne21°C (70°F) Düsseldorf21°C (70°F) Munich
20°C (68°F) Hamburg20°C (68°F) Binz
18°C (64°F) Winterberg18°C (64°F) Bucket list
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