September weather forecastSilna, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Silna, Poland, with an average temperature ranging between min 11.3°C (52.3°F) and max 19.3°C (66.7°F).Temperature
In September, the average high-temperature goes from a moderately hot 24.5°C (76.1°F) in August to a refreshing 19.3°C (66.7°F). An average low-temperature of 11.3°C (52.3°F) is anticipated throughout the nights during September.Humidity
The average relative humidity in September is 73%.Rainfall
In Silna, in September, during 10.4 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, there are 140.9 rainfall days, and 327mm (12.87") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Silna.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September, sunrise is at 06:08 and sunset at 19:44. On the last day of the month, sunrise is at 06:56 and sunset at 18:35 CEST.
Sunshine
In September, the average sunshine in Silna is 8.8h.UV index
In Silna, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Make use of precautions - It is urged to ward off sun damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Silna, Poland
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in September
Silna, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1017.2mbar).
The months with the lowest atmospheric pressure are July and November (1014.1mbar).
Average wind speed in September
Silna, Poland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Silna, Poland
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Silna, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Silna, Poland
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Silna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Silna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Silna, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Silna, Poland
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Silna, 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 and November (UV index 1).
Average cloud cover in September
Silna, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Silna, Poland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (7km).
