September weather forecastKoscierzyna, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Koscierzyna, Poland, with an average temperature varying between 10.4°C (50.7°F) and 18.5°C (65.3°F).Temperature
September's arrival correlates with a reduction in the average high-temperature, down from a warm 23.8°C (74.8°F) in August to a comfortable 18.5°C (65.3°F). Throughout September, Koscierzyna experiences a low-temperature average of 10.4°C (50.7°F).Humidity
In September, the average relative humidity in Koscierzyna is 74%.Rainfall
In Koscierzyna, in September, it is raining for 12.7 days, with typically 30mm (1.18") of accumulated precipitation. In Koscierzyna, during the entire year, the rain falls for 152.8 days and collects up to 397mm (15.63") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 42min.On the first day of September, sunrise is at 05:57 and sunset at 19:38. On the last day of the month, sunrise is at 06:49 and sunset at 18:26 CEST.
Sunshine
The average sunshine in September is 8h.UV index
In Koscierzyna, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koscierzyna, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Koscierzyna, Poland
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Koscierzyna, Poland
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in September
Koscierzyna, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Koscierzyna, Poland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Koscierzyna, Poland
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Koscierzyna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Koscierzyna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Koscierzyna, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Koscierzyna, Poland
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Koscierzyna, Poland
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Koscierzyna, Poland
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Koscierzyna, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
