Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The start of September signals a decrease in the average high-temperature, transitioning from a moderately hot 25.2°C (77.4°F) in August to a comfortable 19.4°C (66.9°F). An average temperature of 11.3°C (52.3°F) is recorded in Księży Las during the nights in September.Humidity
In Księży Las, the average relative humidity in September is 71%.Rainfall
In September, in Księży Las, Poland, the rain falls for 13.6 days. Throughout September, 46mm (1.81") of precipitation is accumulated. Throughout the year, there are 168.1 rainfall days, and 531mm (20.91") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Księży Las.Daylight
In September, the average length of the day in Księży Las is 12h and 37min.On the first day of the month, sunrise is at 06:00 and sunset at 19:29. On the last day of September, in Księży Las, sunrise is at 06:44 and sunset at 18:25 CEST.
Sunshine
In Księży Las, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Księży Las, Poland, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Księży Las in September?
What is the average humidity in September in Księży Las?
How much does it rain in Księży Las in September?
When it does not snow in Księży Las?
Does it snow in Księży Las in September?
How many hours of daylight does Księży Las have in September?
When is the sunrise / sunset in September in Księży Las?
How long on average sun shines in September in Księży Las?
What is the UV index reading in September in Księży Las?
Average temperature in September
Księży Las, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Księży Las, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in September
Księży Las, Poland
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Księży Las, 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 (65%).
Average rainfall in September
Księży Las, Poland
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is May (66mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Księży Las, Poland
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is June (19.9 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in September
Księży Las, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Księży Las, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Księży Las, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Księży Las, Poland
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in September
Księży Las, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Księży Las, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Księży Las, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
