Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's onset brings a slight change in high-temperatures, falling from a warm 23.9°C (75°F) in August to a comfortable 18.5°C (65.3°F). During September, the nighttime temperature in Sławniów, Poland, averages of 10.4°C (50.7°F).Humidity
In September, the average relative humidity is 74%.Rainfall
In Sławniów, during September, the rain falls for 12.1 days and regularly aggregates up to 37mm (1.46") of precipitation. In Sławniów, during the entire year, the rain falls for 138.8 days and collects up to 438mm (17.24") of precipitation.Snowfall
June through September are months without snowfall in Sławniów.Daylight
The average length of the day in September in Sławniów is 12h and 37min.On the first day of the month, sunrise is at 05:56 and sunset at 19:25. On the last day of September, sunrise is at 06:40 and sunset at 18:21 CEST.
Sunshine
In September, the average sunshine in Sławniów is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the temperature in September in Sławniów?
What is the average humidity in September in Sławniów?
How much does it rain in Sławniów in September?
When it does not snow in Sławniów?
Does it snow in Sławniów in September?
What is the average length of the day in September in Sławniów?
When are sunrise and sunset in September in Sławniów?
How many hours of sunshine does Sławniów have in September?
What is the UV index intensity in September in Sławniów?
Average temperature in September
Sławniów, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Sławniów, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).
Average wind speed in September
Sławniów, Poland
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Sławniów, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in September
Sławniów, Poland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in September
Sławniów, Poland
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Sławniów, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sławniów, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sławniów, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Sławniów, Poland
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Sławniów, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
Sławniów, Poland
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Sławniów, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
Sławniów, Poland
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