September weather forecastOpalenica, Poland
September
Weather in September
September, the first month of the autumn in Opalenica, is still a comfortable month, with temperature in the range of an average low of 11.1°C (52°F) and an average high of 19.5°C (67.1°F).Temperature
September comes with a drop in the average high-temperature, falling from August's warm 25°C (77°F) to a refreshing 19.5°C (67.1°F). Opalenica encounters an average low-temperature of 11.1°C (52°F) during September nights.Humidity
The average relative humidity in September is 71%.Rainfall
In Opalenica, in September, it is raining for 12.1 days, with typically 26mm (1.02") of accumulated precipitation. In Opalenica, during the entire year, the rain falls for 153.2 days and collects up to 354mm (13.94") of precipitation.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 06:06 and sunset at 19:41. On the last day of the month, sunrise is at 06:54 and sunset at 18:33 CEST.
Sunshine
In Opalenica, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Opalenica, Poland
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in September
Opalenica, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in September
Opalenica, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Opalenica, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Opalenica, Poland
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Opalenica, Poland
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Opalenica, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Opalenica, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Opalenica, 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 24min
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 0min).
Average sunshine days in September
Opalenica, Poland
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in September
Opalenica, 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 and December (UV index 1).
Average cloud cover in September
Opalenica, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Opalenica, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).
