September weather forecastCisowo, Poland
September
Weather in September
September, the first month of the autumn in Cisowo, is also an enjoyable month, with an average temperature ranging between max 17.8°C (64°F) and min 12.9°C (55.2°F).Temperature
Cisowo records a mild change in average high-temperature during September, easing from a pleasant 21.6°C (70.9°F) in August to an enjoyable 17.8°C (64°F). Cisowo's nocturnal average in September closely mirrors its daytime temperatures, settling at a fresh 12.9°C (55.2°F).Humidity
The average relative humidity in September in Cisowo is 75%.Rainfall
In Cisowo, in September, during 11.7 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, in Cisowo, there are 141 rainfall days, and 379mm (14.92") of precipitation is accumulated.Snowfall
In Cisowo, Poland, snow does not fall in May through October.Daylight
In Cisowo, the average length of the day in September is 12h and 43min.On the first day of September, sunrise is at 06:02 and sunset at 19:45. On the last day of the month, sunrise is at 06:55 and sunset at 18:32 CEST.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cisowo, Poland
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.7°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in September
Cisowo, Poland
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is October (1016.2mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).
Average wind speed in September
Cisowo, Poland
- Average wind speed in September: 18.9km/h
The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is June (16.3km/h).
Average humidity in September
Cisowo, Poland
- Average humidity in September: 75%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Cisowo, Poland
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Cisowo, Poland
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is December (15.2 days).
The month with the least rainy days is April (8.9 days).
Average snowfall in September
Cisowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (54mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Cisowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Cisowo, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).
Average sunshine days in September
Cisowo, Poland
- Average sunshine days in September: 16 days
The month with the most sunshine days is April (18.8 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Cisowo, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Cisowo, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Cisowo, Poland
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





