September weather forecastKopysno, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Kopysno, Poland, with an average temperature ranging between min 9.4°C (48.9°F) and max 19.7°C (67.5°F).Temperature
Kopysno's September weather comes with a decrease in average high-temperatures, moving from a warm 25.3°C (77.5°F) in August to a comfortable 19.7°C (67.5°F). The low-temperature averages to a frosty 9.4°C (48.9°F) during the nights of September.Humidity
The average relative humidity in September in Kopysno is 74%.Rainfall
The months with the least rainfall are January and September Rain falls for 10.3 days and accumulates 21mm (0.83") of rain.Snowfall
In Kopysno, Poland, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 05:45 and sunset at 19:12. On the last day of the month, sunrise is at 06:28 and sunset at 18:10 CEST.
Sunshine
In September, the average sunshine in Kopysno is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kopysno, Poland
- Average high temperature in September: 19.7°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 (-0.3°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in September
Kopysno, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019.3mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in September
Kopysno, Poland
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Kopysno, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Kopysno, Poland
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (67mm).
The driest months (with the least rainfall) are January and September (21mm).
Average rainfall days in September
Kopysno, Poland
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Kopysno, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (114mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kopysno, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kopysno, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Kopysno, Poland
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in September
Kopysno, Poland
- Average UV index in September: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Kopysno, Poland
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Kopysno, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
