September weather forecastSosnów, Poland
September
Weather in September
September, the first month of the autumn in Sosnów, is still a comfortable month, with temperature in the range of an average low of 10.5°C (50.9°F) and an average high of 19.1°C (66.4°F).Temperature
The arrival of September corresponds with a temperature reduction, down from August's moderately hot 24.1°C (75.4°F) to a comfortable 19.1°C (66.4°F). In September, the nighttime temperature lowers to an average of 10.5°C (50.9°F).Humidity
The average relative humidity in September is 73%.Rainfall
In Sosnów, during September, the rain falls for 10.7 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 134.4 rainfall days, and 344mm (13.54") of precipitation is accumulated.Snowfall
In Sosnów, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 05:46 and sunset at 19:18. On the last day of the month, sunrise is at 06:32 and sunset at 18:12 CEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Sosnów, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sosnów, Poland
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (0.7°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).
Average pressure in September
Sosnów, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in September
Sosnów, Poland
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Sosnów, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Sosnów, Poland
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is March (14mm).
Average rainfall days in September
Sosnów, Poland
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in September
Sosnów, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (52mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sosnów, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sosnów, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Sosnów, Poland
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Sosnów, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Sosnów, Poland
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Sosnów, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).





