| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Koszalin in September is mild at 12.9 °C (55.22 °F).
- Afternoons can be very mild with average high temperatures reaching 17.3 °C (63.1 °F).
- Overnight temperatures are generally a little cool with an average low of 9.5 °C (49.1 °F).
- The variation/ range of daily average temperatures in September is 7.8 °C (14 °F).
- The weather in September is dryish. Just 82mm (3.2in) of liquid precipitates.
- The shortest day is 11:35 long and the longest day is 13:44 long with an average length of 12:39.
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Weather Trend Graph for September in Koszalin, Poland
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