September weather forecastOpoczki, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Opoczki, Poland, with an average temperature fluctuating between 19.4°C (66.9°F) and 11°C (51.8°F).Temperature
Opoczki's average high-temperature decreases in September, falling from a moderately hot 24.5°C (76.1°F) in August to a comfortable 19.4°C (66.9°F). The low-temperature average for Opoczki during September stands at a fresh 11°C (51.8°F).Humidity
In September, the average relative humidity is 72%.Rainfall
In Opoczki, Poland, during September, the rain falls for 8.2 days and regularly aggregates up to 21mm (0.83") of precipitation. In Opoczki, during the entire year, the rain falls for 126.1 days and collects up to 320mm (12.6") of precipitation.Snowfall
June through September are months without snowfall in Opoczki, Poland.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September, sunrise is at 05:57 and sunset at 19:34. On the last day of the month, sunrise is at 06:46 and sunset at 18:24 CEST.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September in Opoczki is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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
Opoczki, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in September
Opoczki, Poland
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Opoczki, Poland
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Opoczki, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Opoczki, Poland
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Opoczki, Poland
- Average rainfall days in September: 8.2 days
The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Opoczki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Opoczki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Opoczki, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Opoczki, Poland
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Opoczki, Poland
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Opoczki, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Opoczki, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, November and December (8km).
