September weather forecastNiewiadowo, Poland
September
Weather in September
September, the first month of the autumn in Niewiadowo, is also an enjoyable month, with an average temperature varying between 19.2°C (66.6°F) and 11.2°C (52.2°F).Temperature
September is characterized by a reduction in the average high-temperature, from a warm 24.3°C (75.7°F) in August to an enjoyable 19.2°C (66.6°F). Throughout September, the temperature in Niewiadowo falls to an average low of 11.2°C (52.2°F).Humidity
In Niewiadowo, the average relative humidity in September is 75%.Rainfall
In Niewiadowo, during September, the rain falls for 11.6 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, in Niewiadowo, Poland, there are 157.4 rainfall days, and 322mm (12.68") of precipitation is accumulated.Snowfall
In Niewiadowo, snow does not fall in May through October.Daylight
In September, the average length of the day in Niewiadowo is 12h and 41min.On the first day of September, sunrise is at 06:10 and sunset at 19:50. On the last day of the month, sunrise is at 07:01 and sunset at 18:39 CEST.
Sunshine
The average sunshine in September is 8.5h.UV index
In Niewiadowo, Poland, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Niewiadowo, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in September
Niewiadowo, Poland
- Average pressure in September: 1016.6mbar
The months with the highest atmospheric pressure are September and October (1016.6mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Niewiadowo, Poland
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in September
Niewiadowo, Poland
- Average humidity in September: 75%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Niewiadowo, Poland
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Niewiadowo, Poland
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Niewiadowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Niewiadowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.2 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
Niewiadowo, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- 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: 3h and 0min).
Average sunshine days in September
Niewiadowo, Poland
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in September
Niewiadowo, 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 January (UV index 1).
Average cloud cover in September
Niewiadowo, Poland
- Average cloud cover in September: 40
The months with the most cloud cover are January and December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Niewiadowo, 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).





