September weather forecastGrabowy Las, Poland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Grabowy Las, Poland, with an average temperature ranging between max 19.2°C (66.6°F) and min 10.2°C (50.4°F).Temperature
September involves a decrease in temperature, down from a moderately hot 24.9°C (76.8°F) in August to a refreshing 19.2°C (66.6°F). Grabowy Las encounters a steady low-temperature average of 10.2°C (50.4°F) throughout the month of September.Humidity
In Grabowy Las, the average relative humidity in September is 73%.Rainfall
In Grabowy Las, during September, the rain falls for 10.8 days and regularly aggregates up to 34mm (1.34") of precipitation. In Grabowy Las, during the entire year, the rain falls for 144.3 days and collects up to 417mm (16.42") of precipitation.Snowfall
June through September are months without snowfall in Grabowy Las.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 05:48 and sunset at 19:21. On the last day of September, in Grabowy Las, sunrise is at 06:35 and sunset at 18:15 CEST.
Sunshine
In September, the average sunshine in Grabowy Las is 8h.UV index
In September, the average daily maximum UV index in Grabowy Las is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grabowy Las, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in September
Grabowy Las, Poland
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in September
Grabowy Las, Poland
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Grabowy Las, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Grabowy Las, Poland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is November (22mm).
Average rainfall days in September
Grabowy Las, Poland
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (17.7 days).
The months with the least rainy days are January and February (8 days).
Average snowfall in September
Grabowy Las, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (129mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grabowy Las, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grabowy Las, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Grabowy Las, Poland
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is January (9.8 days).
Average UV index in September
Grabowy Las, Poland
- Average UV index in September: 3
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
Grabowy Las, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Grabowy Las, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
