September weather forecastRedwanki, Poland
September
Weather in September
September, the first month of the autumn in Redwanki, is still a comfortable month, with an average temperature varying between 17.8°C (64°F) and 12.9°C (55.2°F).Temperature
With the onset of September, Redwanki's climate undergoes a slight change as the average high-temperature moves from an agreeable 21.6°C (70.9°F) in August to a comfortable 17.8°C (64°F). An average low-temperature of 12.9°C (55.2°F) characterizes Redwanki's September nights.Humidity
The average relative humidity in September is 75%.Rainfall
In Redwanki, during September, the rain falls for 11.7 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 141 rainfall days, and 379mm (14.92") of precipitation is accumulated.Snowfall
In Redwanki, Poland, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 43min.On the first day of September, sunrise is at 06:00 and sunset at 19:43. On the last day of the month, sunrise is at 06:53 and sunset at 18:30 CEST.
Sunshine
The average sunshine in September in Redwanki is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Redwanki, Poland
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.7°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in September
Redwanki, Poland
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is October (1016.2mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).
Average wind speed in September
Redwanki, Poland
- Average wind speed in September: 18.9km/h
The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is June (16.3km/h).
Average humidity in September
Redwanki, Poland
- Average humidity in September: 75%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Redwanki, Poland
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Redwanki, Poland
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is December (15.2 days).
The month with the least rainy days is April (8.9 days).
Average snowfall in September
Redwanki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (54mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Redwanki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Redwanki, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).
Average sunshine days in September
Redwanki, Poland
- Average sunshine days in September: 16 days
The month with the most sunshine days is April (18.8 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Redwanki, 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
Redwanki, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Redwanki, Poland
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





