September weather forecastKlementów, Poland
September
Weather in September
September, the first month of the autumn in Klementów, is still a refreshing month, with an average temperature fluctuating between 19.5°C (67.1°F) and 11.3°C (52.3°F).Temperature
September weather is marked by a drop in the average high-temperature, falling from a warm 25°C (77°F) in August to a refreshing 19.5°C (67.1°F). Throughout September, Klementów's nights cool down to an average of 11.3°C (52.3°F).Humidity
In September, the average relative humidity is 71%.Rainfall
In Klementów, in September, it is raining for 11.5 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 128.6 rainfall days, and 338mm (13.31") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Klementów, the average length of the day in September is 12h and 39min.On the first day of September in Klementów, sunrise is at 05:57 and sunset at 19:31. On the last day of the month, sunrise is at 06:44 and sunset at 18:23 CEST.
Sunshine
In Klementów, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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
Klementów, Poland
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Klementów, Poland
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in September
Klementów, Poland
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Klementów, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Klementów, Poland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Klementów, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Klementów, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Klementów, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Klementów, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Klementów, Poland
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Klementów, 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 January, November and December (UV index 1).
Average cloud cover in September
Klementów, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Klementów, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).





