September weather forecastSomsiory, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Somsiory, Poland, with an average temperature fluctuating between 10.9°C (51.6°F) and 19.1°C (66.4°F).Temperature
The onset of September entails a temperature shift, as the average high-temperature decreases from a warm 24.5°C (76.1°F) in August to a refreshing 19.1°C (66.4°F). In Somsiory, the average nighttime temperature during September is a fresh 10.9°C (51.6°F).Humidity
In Somsiory, the average relative humidity in September is 72%.Rainfall
In Somsiory, in September, during 10.1 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 142.7 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Somsiory.Daylight
In Somsiory, the average length of the day in September is 12h and 40min.On the first day of September in Somsiory, sunrise is at 05:53 and sunset at 19:31. On the last day of the month, sunrise is at 06:43 and sunset at 18:21 CEST.
Sunshine
In September, the average sunshine in Somsiory, Poland, is 8.1h.UV index
In September, the average daily maximum UV index in Somsiory is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Somsiory, Poland
- Average high temperature in September: 19.1°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 (0.3°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Somsiory, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Somsiory, Poland
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Somsiory, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Somsiory, Poland
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Somsiory, Poland
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in September
Somsiory, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Somsiory, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Somsiory, 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 42min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Somsiory, Poland
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Somsiory, Poland
- Average UV index in September: 4
The months with the highest UV index are 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
Somsiory, Poland
- Average cloud cover in September: 40
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
Somsiory, 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).
