September weather forecastStupniki, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Stupniki, Poland, with an average temperature ranging between min 9.7°C (49.5°F) and max 18.4°C (65.1°F).Temperature
Stupniki's September weather comes with a decrease in average high-temperatures, moving from a warm 24.1°C (75.4°F) in August to a comfortable 18.4°C (65.1°F). During the month of September, an average low-temperature of 9.7°C (49.5°F) is recorded in Stupniki, Poland.Humidity
In Stupniki, the average relative humidity in September is 75%.Rainfall
In September, in Stupniki, the rain falls for 12.6 days. Throughout September, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 163.9 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Stupniki is 12h and 40min.On the first day of the month, sunrise is at 05:37 and sunset at 19:15. On the last day of September, sunrise is at 06:27 and sunset at 18:05 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
The average daily maximum UV index in September in Stupniki, Poland, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stupniki, Poland
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in September
Stupniki, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Stupniki, Poland
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Stupniki, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Stupniki, Poland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Stupniki, Poland
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Stupniki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (187mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Stupniki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stupniki, 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: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in September
Stupniki, Poland
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Stupniki, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Stupniki, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Stupniki, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
