September weather forecastKlew, Poland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Klew, Poland, with temperature in the range of an average high of 19.2°C (66.6°F) and an average low of 10.8°C (51.4°F).Temperature
In September, the average high-temperature decreases from a warm 24.8°C (76.6°F) in August to a refreshing 19.2°C (66.6°F). Throughout the month of September, Klew witnesses an average low-temperature of 10.8°C (51.4°F).Humidity
The average relative humidity in September is 72%.Rainfall
In Klew, in September, it is raining for 11.7 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, in Klew, Poland, there are 152.2 rainfall days, and 436mm (17.17") of precipitation is accumulated.Snowfall
In Klew, snow does not fall in June through September.Daylight
In Klew, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 05:53 and sunset at 19:25. On the last day of September, sunrise is at 06:39 and sunset at 18:19 CEST.
Sunshine
In Klew, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Klew is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Around midday, solar radiation is most harmful; hence, exposure should be limited. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Klew, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Klew, Poland
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in September
Klew, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Klew, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Klew, Poland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and November (22mm).
Average rainfall days in September
Klew, Poland
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Klew, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (107mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Klew, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Klew, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in September
Klew, Poland
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in September
Klew, 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
Klew, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Klew, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
