September weather forecastSłońsko, Poland
September
Weather in September
September, the first month of the autumn in Słońsko, is still a refreshing month, with an average temperature varying between 19.1°C (66.4°F) and 11°C (51.8°F).Temperature
The commencement of September indicates a shift in the average high-temperature, receding from August's moderately hot 24.4°C (75.9°F) to a refreshing 19.1°C (66.4°F). The average low-temperature of 11°C (51.8°F) is witnessed during September.Humidity
In Słońsko, the average relative humidity in September is 72%.Rainfall
In Słońsko, in September, it is raining for 9.5 days, with typically 24mm (0.94") of accumulated precipitation. In Słońsko, during the entire year, the rain falls for 136.1 days and collects up to 335mm (13.19") of precipitation.Snowfall
In Słońsko, snow does not fall in June through September.Daylight
In Słońsko, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 05:57 and sunset at 19:34. On the last day of September, sunrise is at 06:47 and sunset at 18:25 CEST.
Sunshine
In Słońsko, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Act with care - The need to guard against sun damage is communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Słońsko, Poland
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Słońsko, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1017.5mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Słońsko, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Słońsko, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Słońsko, Poland
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is May (43mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Słońsko, Poland
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Słońsko, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Słońsko, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Słońsko, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Słońsko, Poland
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is January (13.1 days).
Average UV index in September
Słońsko, Poland
- Average UV index in September: 4
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
Słońsko, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Słońsko, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).





