September weather forecastNisko, Poland
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Nisko, Poland, with an average temperature fluctuating between 20.1°C (68.2°F) and 10.8°C (51.4°F).Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's warm 26.1°C (79°F) to a pleasant 20.1°C (68.2°F). In Nisko, the average nighttime temperature during September is a cool 10.8°C (51.4°F).Humidity
In Nisko, Poland, the average relative humidity in September is 71%.Rainfall
In Nisko, in September, it is raining for 10.2 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, in Nisko, there are 127.4 rainfall days, and 335mm (13.19") of precipitation is accumulated.Snowfall
In Nisko, snow does not fall in May through September.Daylight
In Nisko, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 05:46 and sunset at 19:16. On the last day of the month, sunrise is at 06:30 and sunset at 18:11 CEST.
Sunshine
In September, the average sunshine in Nisko is 8h.UV index
In Nisko, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. 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
Nisko, Poland
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in September: 10.8°C
The months with the highest average low temperature are July and August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Nisko, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).
Average wind speed in September
Nisko, Poland
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is December (12.2km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in September
Nisko, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Nisko, Poland
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in September
Nisko, Poland
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Nisko, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (82mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Nisko, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.4 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
Nisko, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Nisko, Poland
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Nisko, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
Nisko, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Nisko, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





