September weather forecastCierniki, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Cierniki, Poland, with an average temperature ranging between min 10.5°C (50.9°F) and max 18.3°C (64.9°F).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 23.2°C (73.8°F) to an enjoyable 18.3°C (64.9°F). Throughout September, an average low-temperature of 10.5°C (50.9°F) is expected in Cierniki, Poland.Humidity
In Cierniki, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 36mm (1.42") of precipitation is accumulated. In Cierniki, during the entire year, the rain falls for 182 days and collects up to 532mm (20.94") of precipitation.Snowfall
June through September are months without snowfall in Cierniki.Daylight
The average length of the day in September in Cierniki is 12h and 41min.On the first day of September in Cierniki, sunrise is at 06:01 and sunset at 19:42. On the last day of the month, sunrise is at 06:52 and sunset at 18:30 CEST.
Sunshine
In Cierniki, Poland, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cierniki, Poland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Cierniki, Poland
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is October (1016.8mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Cierniki, Poland
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Cierniki, Poland
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Cierniki, Poland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Cierniki, Poland
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Cierniki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Cierniki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cierniki, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Cierniki, Poland
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (13.7 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in September
Cierniki, 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
Cierniki, Poland
- Average cloud cover in September: 42
The months with the most cloud cover are January and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Cierniki, 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).
