September weather forecastOstrówka, Poland
September
Weather in September
September, the first month of the autumn in Ostrówka, is also an enjoyable month, with an average temperature varying between 10.2°C (50.4°F) and 19.2°C (66.6°F).Temperature
As August transitions into September, Ostrówka sees a drop in the average high-temperature, transitioning from a moderately hot 24.9°C (76.8°F) to a refreshing 19.2°C (66.6°F). During September, the nighttime temperature in Ostrówka averages to a fresh 10.2°C (50.4°F).Humidity
In September, the average relative humidity in Ostrówka, Poland, is 73%.Rainfall
In Ostrówka, Poland, during September, the rain falls for 10.8 days and regularly aggregates up to 34mm (1.34") of precipitation. In Ostrówka, Poland, during the entire year, the rain falls for 144.3 days and collects up to 417mm (16.42") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Ostrówka is 12h and 38min.On the first day of September, sunrise is at 05:48 and sunset at 19:20. On the last day of the month, sunrise is at 06:34 and sunset at 18:14 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In Ostrówka, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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
Ostrówka, 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).





