September weather forecastOkmiany, Poland
September
Weather in September
September, the first month of the autumn in Okmiany, is still a refreshing month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 18.8°C (65.8°F).Temperature
The onset of September entails a temperature shift, as the average high-temperature decreases from a warm 24.2°C (75.6°F) in August to a refreshing 18.8°C (65.8°F). The nighttime temperature dips to a fresh 10.8°C (51.4°F) on average during September.Humidity
In September, the average relative humidity is 74%.Rainfall
In Okmiany, in September, during 12 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 170.7 rainfall days, and 502mm (19.76") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Okmiany.Daylight
In Okmiany, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:10 and sunset at 19:42. On the last day of September, sunrise is at 06:56 and sunset at 18:36 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Okmiany, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Okmiany, Poland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Okmiany, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).
Average wind speed in September
Okmiany, Poland
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Okmiany, 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
Okmiany, Poland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is May (65mm).
The driest months (with the least rainfall) are April and November (27mm).
Average rainfall days in September
Okmiany, Poland
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Okmiany, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (169mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Okmiany, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Okmiany, 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 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Okmiany, Poland
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is January (8 days).
Average UV index in September
Okmiany, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Okmiany, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Okmiany, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
