Flensburg in september: average Weather, Temperature and Climate
Weather in Flensburg in september 2025
The weather in Flensburg in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
56°F
Partly Cloudy
30% of time
22%
19%
14%
Weather at 12pm
65°F
Moderate rain at times
30% of time
27%
22%
14%
Weather at 6pm
59°F
Moderate rain at times
36% of time
29%
19%
10%
Weather at 3am
56°F
26%
22%
20%
15%
Evolution of daily average temperature and precipitation in Flensburg in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Flensburg in september.
The climate of Flensburg in september is good
The weather in september in Flensburg is wet (with 4.1in of precipitation over 7 days). It should be noted an improvement from the previous month since in august it receives an average of 4.5in of rainfall over 8 days.
The climate is quite fresh here this month, but it is livable by dressing warm. The high seasonal norm is 65°F. In the morning the temperature drops to 56°F. Thus, the mean temperature average on this month of september in Flensburg is 61°F. Note that these seasonal averages are in contrast with those observed in Flensburg in september with a maximum record of 85°F in 2021 and a minimum record of 43°F in 2018. You can hope to have about 14 days with temperatures above 65°F, or 47% of the month.
Day length in Flensburg in september is 12:43. The sun rises at 05:55 and sunset is at 18:38.
With proper weather, the month of september is okay (but not the best) to go in this locality in Germany.
Seasonal average climate and temperature of Flensburg in september
Check below seasonal norms These statistics are compiled from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 85°F (2021) | ||||
| Lowest record temperature | 43°F (2018) | ||||
| Number of days at +65°F | 14 day(s) (47%) | ||||
| Sea temperature | |||||
| Average sea temperature | 63°F | ||||
| Lowest sea temperature | 58°F | ||||
| Highest sea temperature | 68°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.1in | ||||
| Number of days with rainfall | 7 day(s) (22%) | ||||
| Record daily rainfall | 1.5in (2018) | ||||
| Other climate data | |||||
| Humidity | 90% | ||||
| Visibility | 8.99km | ||||
| Cloud cover | 49% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:55 | ||||
| Time of sunset | 18:38 | ||||
| Length of day | 12:43 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Flensburg in september 2024:
52°F to 70°F
54°F to 74°F
59°F to 77°F
63°F to 76°F
63°F to 77°F
65°F to 76°F
61°F to 77°F
65°F to 77°F
59°F to 63°F
56°F to 59°F
50°F to 56°F
45°F to 56°F
45°F to 58°F
50°F to 59°F
49°F to 63°F
54°F to 67°F
52°F to 68°F
54°F to 72°F
56°F to 70°F
56°F to 72°F
52°F to 70°F
52°F to 70°F
54°F to 68°F
56°F to 63°F
56°F to 58°F
54°F to 61°F
54°F to 59°F
50°F to 52°F
49°F to 58°F
47°F to 58°F
Map: other cities in Germany in september
Cities near Flensburg:
| Maasholm in september | good weather |
| Husum in september | good weather |
| Eckernförde in september | good weather |
| Halligen in september | good weather |
| Kiel in september | good weather |
| Sylt in september | good weather |
| Sankt Peter-Ording in september | good weather |
| Cuxhaven in september | good weather |
| Fehmarn in september | good weather |
| Großenbrode in september | good weather |
| Timmendorfer Strand in september | good weather |
| Lübeck in september | good weather |
Click over cities on the map for information about the weather in september.
Flensburg
perfect weather
good
tolerable
bad
very bad
Weather data for Flensburg in september:
Weather data for Flensburg for september are derived from an average of the weather forecast since 2009 in Flensburg. There is a margin of error and these forecasts are to be considered as general information only. The weather in Flensburg can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Flensburg.