September weather forecastAltanka, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Altanka, Poland, with an average temperature fluctuating between 19.2°C (66.6°F) and 10.6°C (51.1°F).Temperature
In Altanka, the average high-temperature in September drops from a moderately hot 24.8°C (76.6°F) in August to a refreshing 19.2°C (66.6°F). Altanka experiences a nighttime temperature average of 10.6°C (51.1°F) during September.Humidity
In September, the average relative humidity in Altanka is 72%.Rainfall
In Altanka, during September, the rain falls for 11.5 days and regularly aggregates up to 28mm (1.1") of precipitation. In Altanka, Poland, during the entire year, the rain falls for 156 days and collects up to 403mm (15.87") of precipitation.Snowfall
In Altanka, Poland, snow does not fall in June through September.Daylight
The average length of the day in September in Altanka is 12h and 40min.On the first day of September, sunrise is at 05:51 and sunset at 19:26. On the last day of the month, sunrise is at 06:39 and sunset at 18:18 CEST.
Sunshine
The average sunshine in September in Altanka is 8.1h.UV index
In Altanka, 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 the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. 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
Altanka, 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 (-0.3°C).
- Average low temperature in September: 10.6°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 (-3.8°C).
Average pressure in September
Altanka, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Altanka, Poland
- Average wind speed in September: 11.7km/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 (10.4km/h).
Average humidity in September
Altanka, 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 (67%).
Average rainfall in September
Altanka, Poland
- Average rainfall in September: 28mm
The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Altanka, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Altanka, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (121mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Altanka, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Altanka, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 6min
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
Altanka, Poland
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in September
Altanka, 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 and December (UV index 1).
Average cloud cover in September
Altanka, 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
Altanka, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
