September weather forecastOstrów Północny, Poland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Ostrów Północny, Poland, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 9.5°C (49.1°F).Temperature
September weather is marked by a drop in the average high-temperature, falling from a moderately hot 24.2°C (75.6°F) in August to an enjoyable 18.3°C (64.9°F). In Ostrów Północny, an average nighttime temperature of 9.5°C (49.1°F) is expected during September.Humidity
The average relative humidity in September in Ostrów Północny is 76%.Rainfall
In Ostrów Północny, Poland, during September, the rain falls for 13.4 days and regularly aggregates up to 37mm (1.46") of precipitation. In Ostrów Północny, during the entire year, the rain falls for 164.4 days and collects up to 515mm (20.28") of precipitation.Snowfall
May through September are months without snowfall in Ostrów Północny.Daylight
The average length of the day in September in Ostrów Północny is 12h and 41min.On the first day of the month, sunrise is at 05:35 and sunset at 19:14. On the last day of September, in Ostrów Północny, sunrise is at 06:25 and sunset at 18:04 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Defending against sun damage is advocated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ostrów Północny, Poland
- Average high temperature in September: 18.3°C
The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in September
Ostrów Północny, Poland
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Ostrów Północny, Poland
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Ostrów Północny, Poland
- Average humidity in September: 76%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Ostrów Północny, Poland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Ostrów Północny, Poland
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Ostrów Północny, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Ostrów Północny, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ostrów Północny, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).
Average sunshine days in September
Ostrów Północny, Poland
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).
Average UV index in September
Ostrów Północny, 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, February, November and December (UV index 1).
Average cloud cover in September
Ostrów Północny, Poland
- Average cloud cover in September: 43
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Ostrów Północny, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
