September weather forecastOleszna, Poland
September
Weather in September
September, the first month of the autumn in Oleszna, is also an enjoyable month, with an average temperature fluctuating between 10.3°C (50.5°F) and 18.5°C (65.3°F).Temperature
Oleszna observes a minor decrease in the average high-temperature with the arrival of September, falling from August's warm 24°C (75.2°F) to a comfortable 18.5°C (65.3°F). Throughout September, an average low-temperature of 10.3°C (50.5°F) is expected in Oleszna.Humidity
In September, the average relative humidity is 74%.Rainfall
In September, in Oleszna, the rain falls for 11.4 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Oleszna, there are 139.3 rainfall days, and 391mm (15.39") of precipitation is accumulated.Snowfall
In Oleszna, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 06:07 and sunset at 19:37. On the last day of September, in Oleszna, sunrise is at 06:52 and sunset at 18:32 CEST.
Sunshine
In Oleszna, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Oleszna is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oleszna, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Oleszna, Poland
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in September
Oleszna, Poland
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Oleszna, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Oleszna, Poland
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is May (57mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in September
Oleszna, Poland
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in September
Oleszna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Oleszna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oleszna, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Oleszna, Poland
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (19 days).
The months with the least sunshine days are May and June (10.8 days).
Average UV index in September
Oleszna, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Oleszna, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Oleszna, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).
