September weather forecastOstrownica, Poland
September
Weather in September
September, the first month of the autumn in Ostrownica, is still a refreshing month, with an average temperature varying between 19.2°C (66.6°F) and 10.2°C (50.4°F).Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from a moderately hot 24.9°C (76.8°F) in August to a refreshing 19.2°C (66.6°F). The temperature lowers to an average of 10.2°C (50.4°F) during September nights.Humidity
In Ostrownica, the average relative humidity in September is 73%.Rainfall
In Ostrownica, during September, the rain falls for 10.8 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 144.3 rainfall days, and 417mm (16.42") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 05:48 and sunset at 19:20. On the last day of September, in Ostrownica, sunrise is at 06:33 and sunset at 18:14 CEST.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ostrownica, 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
Ostrownica, 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
Ostrownica, 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
Ostrownica, 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
Ostrownica, 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
Ostrownica, 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
Ostrownica, 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
Ostrownica, 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
Ostrownica, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- 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
Ostrownica, 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
Ostrownica, 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
Ostrownica, 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
Ostrownica, 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).
