September weather forecastŚwiesz, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Świesz, Poland, with an average temperature varying between 19.1°C (66.4°F) and 11°C (51.8°F).Temperature
In Świesz, the beginning of September is marked by a lowered average high-temperature, shifting from August's warm 24.4°C (75.9°F) to a comfortable 19.1°C (66.4°F). During the month of September, an average temperature of 11°C (51.8°F) is noted during the nights.Humidity
In Świesz, Poland, the average relative humidity in September is 72%.Rainfall
In Świesz, Poland, in September, during 9.5 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, in Świesz, there are 136.1 rainfall days, and 335mm (13.19") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Świesz.Daylight
The average length of the day in September in Świesz, Poland, is 12h and 40min.On the first day of the month, sunrise is at 05:57 and sunset at 19:33. On the last day of September, in Świesz, Poland, sunrise is at 06:46 and sunset at 18:25 CEST.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Świesz, 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
Świesz, 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
Świesz, 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
Świesz, 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
Świesz, 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
Świesz, 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
Świesz, 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
Świesz, 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
Świesz, 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 48min).
- 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
Świesz, 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
Świesz, 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
Świesz, 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
Świesz, 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).
