September weather forecast
Koszalin, Poland

Weather in September

September, the first month of the autumn in Koszalin, is also an enjoyable month, with an average temperature fluctuating between 9.5°C (49.1°F) and 17.3°C (63.1°F).

Temperature

In September, the average high-temperature slightly decreases from an agreeable 21°C (69.8°F) in August to a comfortable 17.3°C (63.1°F). The average low-temperature, is 9.5°C (49.1°F).

Rainfall

In Koszalin, it is raining for 11.1 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, in Koszalin, there are 118.7 rainfall days, and 704mm (27.72") of precipitation is accumulated.

Daylight

The average length of the day in September in Koszalin is 12h and 42min.
On the first day of September in Koszalin, sunrise is at 06:03 and sunset at 19:47. On the last day of the month, sunrise is at 06:55 and sunset at 18:35 CEST.

Sunshine

The average sunshine in September in Koszalin is 4.5h.

UV index

In Koszalin, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Koszalin?

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

How much does it rain in Koszalin in September?

In September, in Koszalin, the rain falls for 11.1 days. Throughout September, 82mm (3.23") of precipitation is accumulated.

How many hours of daylight does Koszalin have in September?

In September, the average day length in Koszalin is 12h and 42min.

When is the sunrise / sunset in September in Koszalin?

On the first day of September, sunrise is at 06:03 and sunset at 19:47. On the last day of the month, sunrise is at 06:55 and sunset at 18:35 CEST.

How long on average sun shines in September in Koszalin?

In Koszalin, Poland, the average sunshine duration in September is 4.5h.

What is the UV index intensity in September in Koszalin?

In Koszalin, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Koszalin, Poland

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).

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Average rainfall in September
Koszalin, Poland

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 least rainfall) is February (30mm).

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Average rainfall days in September
Koszalin, Poland

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 least rainy days is February (7.9 days).

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Average daylight in September /
Average sunshine in September
Koszalin, Poland

Average daylight in September / Average sunshine in September - Koszalin, Poland
  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 5min).
The month with the shortest days is December (Average daylight: 7h and 27min).

  • Average sunshine in September: 4h and 30min

The month with the most sunshine is June (Average sunshine: 7h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).

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Average UV index in September
Koszalin, Poland

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

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

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