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Bremen in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Bremen in September will be like? Take a look at our weather guide for Bremen, based on historical data.
Check flight prices to Bremen on Avionero:
September

Weather in Bremen in September 2024

OK Weather
Mild
☁️
Cloudy
If you plan to visit Bremen in September, the weather is typically alright, with an average high temperature of +64°F during the day and approximately 6 sunny days. Expect some rainy, though, as there are typically 6 rainy days in the month and around 55 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+64°F
Avg. max. temperature
+32°F
Min.
+90°F
Max.
55 mm
Total precipitation
80%
Avg. humidity
2 m/s
Avg. wind
6 ☀️
Sunny Days
18 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Bremen has OK weather in September.

Average temperature in Bremen in September

Here are the expected maximum, average and minimum temperatures in Bremen for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +66°F with a maximum of +84°F and a minimum of +39°F.

The average maximum temperature goes down 32% by the end of the month, compared with the beginning of the month, from +75°F to +61°F.

Is Bremen warm or cold in September?

Bremen is typically mild in September.

Maximum temperatures go down compared to the previous month from +72°F to +64°F. The minimum temperature also goes down from +55°F to +50°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Bremen:

Climate in Bremen in September

Bremen weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+72°F+64°F+57°F
Min. temperature
+39°F+32°F+21°F
Max. temperature
+99°F+90°F+81°F
Rainfall
68 mm55 mm59 mm
Wind
2 m/s2 m/s3 m/s
Humidity
75%80%84%
Air pressure
1013 HPa1014 HPa1013 HPa
Sunny days
766
Cloudy days
161818
Rainy days
867
Snowy days
000

September typically has worse weather conditions compared to August. It’s getting colder in September. From +72°F in the day, the average maximum temperature lowers to +64°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 68 mm to 55 mm. Humidity rises from 75% to 80%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 7 sunny days in August to 6 in September.

October brings much the same weather, it remains ok.

Wind

Wind speed in Bremen in September based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Bremen is gradually increasing during September, going from 3 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Bremen based on historical data.
Last Year
Historical Data
Typically, there is a 43% chance of rain on an average day in September, with total rainfall of approximately 61 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. September is a pretty wet month with over 13 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Bremen wettest month is July, where a typical day has a 29% chance of precipitation and 75 mm of rainfall per day. February, on the other hand, is the driest month with a mere 17% chance of precipitation and 39 mm of rainfall per day.

How was the weather last September in Bremen?

This is the weather in Bremen in September 2023:
1 September
☀️
+75°F
2 September
☀️
+76°F
3 September
☀️
+76°F
4 September
☀️
+80°F
5 September
☀️
+84°F
6 September
☀️
+74°F
7 September
☀️
+75°F
8 September
🌧️
+62°F
9 September
🌧️
+67°F
10 September
☁️
+69°F
11 September
☀️
+71°F
12 September
☀️
+74°F
13 September
☀️
+70°F
14 September
☀️
+67°F
15 September
☀️
+62°F
16 September
☀️
+60°F
17 September
🌧️
+53°F
18 September
☀️
+57°F
19 September
☀️
+60°F
20 September
☀️
+58°F
21 September
☀️
+64°F
22 September
☀️
+65°F
23 September
☀️
+63°F
24 September
🌧️
+58°F
25 September
☀️
+60°F
26 September
🌧️
+53°F
27 September
🌧️
+52°F
28 September
🌫️
+55°F
29 September
🌫️
+58°F
30 September
☀️
+61°F
In September 2023 Bremen had 21 sunny days, 1 cloudy days, and 6 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +84°F and a minimum of +52°F. The average humidity was 82%, with a maximum of 99% and a minimum of 34%. The average wind speed was 3 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Bremen climate has changed over the last 43 years.

The climate in Bremen in September has not changed that much over the last 43 years.

The average temperature was the lowest in 2001 (+61°F) and the highest in 2016 (+79°F). The driest year was 1997 with only 13 mm of rainfall, and the wettest year was 1995 with 135 mm.

FAQ

Frequently asked questions about the weather in Bremen in September:

Is September a good time to visit Bremen?

It’s always a good time to visit Bremen, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Bremen in September?

September has mild temperatures in Bremen. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Bremen rainy in September?

Bremen is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Bremen in September?

Usually, it’s not very sunny in Bremen in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Germany

Check out the weather for other cities in Germany.

Monthly weather in Bremen

Source of the data

For this page, we’ve looked at the typical weather in Bremen, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.