September weather forecastSiekówko, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Siekówko, Poland, with an average temperature varying between 19.6°C (67.3°F) and 11.4°C (52.5°F).Temperature
September shows a mild decline in the average high-temperature, falling from August's warm 25.3°C (77.5°F) to a refreshing 19.6°C (67.3°F). Throughout September, an average low-temperature of 11.4°C (52.5°F) is expected.Humidity
The average relative humidity in September in Siekówko is 71%.Rainfall
The month with the least rainfall in Siekówko is September, when the rain falls for 7.9 days and typically collects 17mm (0.67") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September in Siekówko, sunrise is at 06:07 and sunset at 19:41. On the last day of the month, sunrise is at 06:54 and sunset at 18:34 CEST.
Sunshine
In Siekówko, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Guard yourself - Avoiding sunburn is suggested. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Siekówko, Poland
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Siekówko, Poland
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Siekówko, Poland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest months (with the lowest average wind speed) are July and August (11km/h).
Average humidity in September
Siekówko, 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 (65%).
Average rainfall in September
Siekówko, Poland
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is May (41mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in September
Siekówko, Poland
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is September (7.9 days).
Average snowfall in September
Siekówko, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Siekówko, 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
Siekówko, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Siekówko, Poland
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in September
Siekówko, 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, February, March, November and December (UV index 2).
Average cloud cover in September
Siekówko, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Siekówko, Poland
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (7km).
