Koszalin in september: average Weather, Temperature and Climate
Weather in Koszalin in september 2025
The weather in Koszalin in the month of 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
58°F
Clear/Sunny
36% of time
30%
21%
11%
Weather at 12pm
67°F
Clear/Sunny
39% of time
28%
15%
15%
Weather at 6pm
59°F
Clear/Sunny
42% of time
26%
18%
12%
Weather at 3am
56°F
35%
25%
22%
12%
Evolution of daily average temperature and precipitation in Koszalin in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Koszalin in september.
The climate of Koszalin in september is good
The climate in september in Koszalin is wet (with 2.7in of precipitation over 4 days). This is better than the previous month since in august it receives an average of 4in of rainfall over 6 days.
The climate is rather fresh around this city the month of september, but it is livable when dressing warm. The thermometer averaged maximum of 67°F. In the morning the temperature drops to 58°F. Thus, the mean temperature average on this month of september in Koszalin is 61°F. Note that seasonal normals are in contrast with those observed in Koszalin in september with a maximum record of 85°F in 2021 and a minimum record of 47°F in 2010. You can plan to have about 17 days with temperatures over 65°F, or 57% of time.
On this month of september, day length in Koszalin is generally 12:42. The sun rises at 05:29 and sunset is at 18:11.
With a good weather, september is advisable to go in this city in Poland.
Seasonal average climate and temperature of Koszalin in september
Check below seasonal norms These statistics are set from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 85°F (2021) | ||||
| Lowest record temperature | 47°F (2010) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 17 day(s) (57%) | ||||
| Sea temperature | |||||
| Average sea temperature | 63°F | ||||
| Lowest sea temperature | 59°F | ||||
| Highest sea temperature | 68°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.7in | ||||
| Number of days with rainfall | 4 day(s) (13%) | ||||
| Record daily rainfall | 2.5in (2019) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.53km | ||||
| Cloud cover | 39% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:29 | ||||
| Time of sunset | 18:11 | ||||
| Length of day | 12:42 | ||||
| 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 Koszalin in september 2024:
54°F to 68°F
56°F to 76°F
59°F to 85°F
67°F to 86°F
67°F to 85°F
67°F to 85°F
68°F to 86°F
68°F to 86°F
68°F to 81°F
58°F to 65°F
58°F to 63°F
50°F to 59°F
54°F to 59°F
58°F to 63°F
59°F to 63°F
63°F to 72°F
59°F to 76°F
61°F to 76°F
58°F to 76°F
58°F to 76°F
56°F to 74°F
56°F to 74°F
54°F to 72°F
56°F to 74°F
54°F to 67°F
58°F to 61°F
58°F to 65°F
54°F to 58°F
49°F to 56°F
49°F to 58°F
Map: other cities in Poland in september
Cities near Koszalin:
| Mielno in september | good weather |
| Darłowo in september | good weather |
| Kołobrzeg in september | good weather |
| Jarosławiec in september | good weather |
| Trzebiatów in september | good weather |
| Ustka in september | good weather |
| Szczecinek in september | good weather |
| Rowy in september | good weather |
| Pobierowo in september | good weather |
| Drawski Park in september | good weather |
| Slowinski National Park in september | good weather |
| Chojnice in september | good weather |
Click over cities on the map for information about the weather in september.
Koszalin
perfect weather
good
tolerable
bad
very bad
Weather data for Koszalin in september:
Weather data for Koszalin for september are derived from an average of the weather forecast since 2009 in Koszalin. There is a margin of error and these forecasts are to be considered as general information only. The weather in Koszalin 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 Koszalin.