September weather forecastKopernia, Poland
September
Weather in September
September, the first month of the autumn in Kopernia, is still a refreshing month, with an average temperature ranging between min 10.1°C (50.2°F) and max 18.8°C (65.8°F).Temperature
As September arrives, Kopernia's weather displays a decrease in high-temperatures, transitioning from August's warm 24.3°C (75.7°F) to a refreshing 18.8°C (65.8°F). During September nights, Kopernia witnesses a consistent average temperature of 10.1°C (50.2°F).Humidity
The average relative humidity in September is 75%.Rainfall
In Kopernia, Poland, during September, the rain falls for 13.5 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, there are 158.9 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 05:53 and sunset at 19:22. On the last day of September, in Kopernia, Poland, sunrise is at 06:37 and sunset at 18:18 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September in Kopernia is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kopernia, Poland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Kopernia, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in September
Kopernia, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Kopernia, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Kopernia, Poland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Kopernia, Poland
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Kopernia, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (162mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Kopernia, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kopernia, 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 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in September
Kopernia, Poland
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Kopernia, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
Kopernia, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Kopernia, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
