September weather forecastStara Olszyna, Poland
September weather for Stara Olszyna, Poland: The first month of the autumn, September, is still a refreshing month in Stara Olszyna, Poland, with an average temperature varying between 11.1°C (52°F) and 19.2°C (66.6°F). In Stara Olszyna, snow does not fall in June through September.
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Stara Olszyna, Poland, with an average temperature varying between 11.1°C (52°F) and 19.2°C (66.6°F).Temperature
The beginning of September involves a decrease in the average high-temperature, transitioning from a moderately hot 24.7°C (76.5°F) in August to an enjoyable 19.2°C (66.6°F). In Stara Olszyna, September nights cool down to an average of 11.1°C (52°F).Humidity
The average relative humidity in September in Stara Olszyna, Poland, is 71%.Rainfall
In September, in Stara Olszyna, the rain falls for 10.5 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, in Stara Olszyna, there are 140.2 rainfall days, and 307mm (12.09") of precipitation is accumulated.Snowfall
In Stara Olszyna, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 06:00 and sunset at 19:35. On the last day of the month, sunrise is at 06:48 and sunset at 18:27 CEST.
Sunshine
In September, the average sunshine 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 moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stara Olszyna, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Stara Olszyna, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in September
Stara Olszyna, Poland
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Stara Olszyna, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Stara Olszyna, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Stara Olszyna, Poland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Stara Olszyna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stara Olszyna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stara Olszyna, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Stara Olszyna, Poland
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Stara Olszyna, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Stara Olszyna, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Stara Olszyna, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
