September weather forecastLetnin, Poland
September
Weather in September
September, the first month of the autumn in Letnin, is still a refreshing month, with temperature in the range of an average low of 10.6°C (51.1°F) and an average high of 19.1°C (66.4°F).Temperature
The arrival of September corresponds with a shift in temperature, down from a warm 24.1°C (75.4°F) in August to a comfortable 19.1°C (66.4°F). In Letnin, September's nights observe an average temperature dip to a fresh 10.6°C (51.1°F).Humidity
The average relative humidity in September in Letnin is 75%.Rainfall
In September, in Letnin, the rain falls for 10.5 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Letnin, during the entire year, the rain falls for 154.5 days and collects up to 385mm (15.16") of precipitation.Snowfall
In Letnin, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 06:10 and sunset at 19:48. On the last day of September, in Letnin, sunrise is at 07:00 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Letnin, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Letnin, Poland
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Letnin, Poland
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are September and October (1016.7mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in September
Letnin, Poland
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Letnin, Poland
- Average humidity in September: 75%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in September
Letnin, Poland
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Letnin, Poland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Letnin, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Letnin, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Letnin, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Letnin, Poland
- Average sunshine days in September: 17.1 days
The months with the most sunshine days are September and October (17.1 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
Letnin, Poland
- Average UV index in September: 4
The months with the highest UV index are May, 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
Letnin, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Letnin, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
