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
September
Weather in September
Temperature
As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a warm 24.3°C (75.7°F) to a comfortable 18.6°C (65.5°F). During the month of September, the temperature generally drops to a low average of 10.3°C (50.5°F).Humidity
In Sławków, Poland, the average relative humidity in September is 74%.Rainfall
In Sławków, during September, the rain falls for 13.1 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, there are 169.4 rainfall days, and 571mm (22.48") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 05:57 and sunset at 19:26. On the last day of September, sunrise is at 06:41 and sunset at 18:22 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Sławków is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 in September translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Sławków have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Sławków have in September?
What is the UV index intensity in September?
Average temperature in September
Sławków, Poland
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Sławków, 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 (1014.5mbar).
Average wind speed in September
Sławków, Poland
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (14.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Sławków, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in September
Sławków, Poland
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is May (83mm).
The driest month (with the least rainfall) is November (29mm).
Average rainfall days in September
Sławków, Poland
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is June (21.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Sławków, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (200mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sławków, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sławków, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Sławków, Poland
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is August (15.3 days).
The month with the least sunshine days is June (6 days).
Average UV index in September
Sławków, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Sławków, Poland
- Average cloud cover in September: 39
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Sławków, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
