September weather forecast and climate
Koszalin, Poland

What is the temperature in September in Koszalin?

The average high-temperature, in September, is 17.3°C (63.1°F), while the average low-temperature is 9.5°C (49.1°F).

How many days does it rain in September in Koszalin?

In Koszalin, in September, it is raining for 11.1 days, with typically 82mm (3.2") of accumulated precipitation.
Average temperature in September - Koszalin, Poland
  • Average high temperature in September: 17.3°C

The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (0.9°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average rainfall in September - Koszalin, Poland
  • Average rainfall in September: 82mm

The wettest month (with the highest rainfall) is July (88mm).
The driest month (with the lowest rainfall) is February (30mm).

Average rainfall days in September - Koszalin, Poland
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is November (12.6 days).
The month with the lowest number of rainy days is February (7.9 days).

Average daylight in September / Average sunshine in September - Koszalin, Poland
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.1h).
The month with shortest days is December (Average daylight: 7.4h).

  • Average sunshine in September: 4.5h

The month with most sunshine is June (Average sunshine: 7.7h).
The month with least sunshine is December (Average sunshine: 0.9h).

Average UV index in September - Koszalin, Poland
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).

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