September weather forecastŚwierzyny, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Świerzyny, Poland, with an average temperature fluctuating between 19.5°C (67.1°F) and 11.3°C (52.3°F).Temperature
September's onset brings a slight change in high-temperatures, falling from a moderately hot 25°C (77°F) in August to a comfortable 19.5°C (67.1°F). During September, Świerzyny observes a consistent average nighttime temperature of 11.3°C (52.3°F).Humidity
The average relative humidity in September is 71%.Rainfall
In Świerzyny, Poland, in September, during 11.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 128.6 rainfall days, and 338mm (13.31") of precipitation is accumulated.Snowfall
In Świerzyny, Poland, snow does not fall in May through September.Daylight
In September, the average length of the day in Świerzyny is 12h and 38min.On the first day of September, sunrise is at 05:57 and sunset at 19:30. On the last day of the month, sunrise is at 06:44 and sunset at 18:24 CEST.
Sunshine
In Świerzyny, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Świerzyny is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Świerzyny, Poland
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Świerzyny, Poland
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in September
Świerzyny, Poland
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Świerzyny, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Świerzyny, Poland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Świerzyny, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Świerzyny, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Świerzyny, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Świerzyny, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Świerzyny, Poland
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Świerzyny, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Świerzyny, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Świerzyny, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).
