September weather forecastOkoły, Poland
September
Weather in September
September, the first month of the autumn in Okoły, is still a refreshing month, with an average temperature fluctuating between 11.3°C (52.3°F) and 19.7°C (67.5°F).Temperature
Okoły's weather in September involves a decrease in the average high-temperature, moving down from August's moderately hot 25.6°C (78.1°F) to an enjoyable 19.7°C (67.5°F). In September, Okoły reports a consistent average low-temperature of 11.3°C (52.3°F) during the nights.Humidity
In September, the average relative humidity in Okoły is 71%.Rainfall
In Okoły, Poland, during September, the rain falls for 13.2 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Okoły, there are 160.4 rainfall days, and 450mm (17.72") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Okoły.Daylight
In Okoły, Poland, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:02 and sunset at 19:33. On the last day of September, in Okoły, sunrise is at 06:48 and sunset at 18:28 CEST.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Okoły, Poland, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Okoły, Poland
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Okoły, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in September
Okoły, Poland
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Okoły, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Okoły, Poland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in September
Okoły, Poland
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Okoły, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Okoły, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Okoły, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in September
Okoły, Poland
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Okoły, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Okoły, Poland
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Okoły, 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 and February (8km).





