September weather forecastKletno, Poland
September
Weather in September
September, the first month of the autumn in Kletno, is still a refreshing month, with an average temperature varying between 17.5°C (63.5°F) and 9°C (48.2°F).Temperature
Welcoming September, Kletno observes a shift in the average high-temperature, falling from August's pleasant 22.9°C (73.2°F) to an enjoyable 17.5°C (63.5°F). Throughout September, Kletno's nights cool down to an average of 9°C (48.2°F).Humidity
In Kletno, Poland, the average relative humidity in September is 78%.Rainfall
In Kletno, in September, during 14.3 rainfall days, 44mm (1.73") of precipitation is typically accumulated. In Kletno, Poland, during the entire year, the rain falls for 180.1 days and collects up to 612mm (24.09") of precipitation.Snowfall
In Kletno, snow does not fall in June through September.Daylight
In Kletno, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:08 and sunset at 19:36. On the last day of September, sunrise is at 06:51 and sunset at 18:32 CEST.
Sunshine
The average sunshine in September in Kletno is 8.4h.UV index
In Kletno, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during September translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. 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
Kletno, Poland
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (-0.6°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in September
Kletno, Poland
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1014.8mbar).
Average wind speed in September
Kletno, Poland
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Kletno, Poland
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Kletno, Poland
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is July (95mm).
The driest month (with the least rainfall) is November (30mm).
Average rainfall days in September
Kletno, Poland
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Kletno, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (176mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kletno, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kletno, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Kletno, Poland
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is July (5.7 days).
Average UV index in September
Kletno, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Kletno, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Kletno, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August and September (9km).
The months with the lowest visibility are January and February (7km).
