September weather forecastŁętownica, Poland
September weather for Łętownica, Poland: The first month of the autumn, September, is also an enjoyable month in Łętownica, Poland, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 9.7°C (49.5°F). In Łętownica, Poland, in September, during 9.5 rainfall days, 22mm (0.87") of precipitation is typically accumulated.
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Łętownica, Poland, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 9.7°C (49.5°F).Temperature
The shift to September brings a decrease in the average high-temperature, falling from a warm 23.8°C (74.8°F) in August to a comfortable 18.5°C (65.3°F). Throughout September nights, Łętownica registers an average low-temperature of 9.7°C (49.5°F).Humidity
The average relative humidity in September in Łętownica, Poland, is 75%.Rainfall
In Łętownica, Poland, in September, during 9.5 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Łętownica, there are 130.4 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Łętownica.Daylight
In September, the average length of the day in Łętownica, Poland, is 12h and 40min.On the first day of the month, sunrise is at 05:42 and sunset at 19:19. On the last day of September, in Łętownica, sunrise is at 06:31 and sunset at 18:10 CEST.
Sunshine
The average sunshine in September in Łętownica, Poland, is 7.6h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Łętownica, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).
Average pressure in September
Łętownica, Poland
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Łętownica, Poland
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is December (13km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Łętownica, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Łętownica, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is May (42mm).
The driest months (with the least rainfall) are February and March (14mm).
Average rainfall days in September
Łętownica, Poland
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Łętownica, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Łętownica, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Łętownica, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in September
Łętownica, Poland
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in September
Łętownica, 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 January, November and December (UV index 1).
Average cloud cover in September
Łętownica, Poland
- Average cloud cover in September: 42
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Łętownica, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





