September weather forecastSerby, Poland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Serby, Poland, with an average temperature ranging between max 19.7°C (67.5°F) and min 11.5°C (52.7°F).Temperature
Serby observes a minor decrease in the average high-temperature with the arrival of September, falling from August's warm 25.3°C (77.5°F) to an enjoyable 19.7°C (67.5°F). September witnesses an average nighttime temperature of 11.5°C (52.7°F) in Serby.Humidity
In Serby, the average relative humidity in September is 71%.Rainfall
In Serby, in September, it is raining for 10.4 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, in Serby, there are 136.5 rainfall days, and 329mm (12.95") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Serby.Daylight
The average length of the day in September in Serby, Poland, is 12h and 39min.On the first day of September in Serby, Poland, sunrise is at 06:08 and sunset at 19:42. On the last day of the month, sunrise is at 06:55 and sunset at 18:35 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Serby, Poland
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.6°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Serby, Poland
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).
Average wind speed in September
Serby, Poland
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Serby, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Serby, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Serby, Poland
- Average rainfall days in September: 10.4 days
The months with the highest number of rainy days are June and July (15.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in September
Serby, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Serby, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Serby, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Serby, Poland
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in September
Serby, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Serby, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Serby, Poland
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (7km).





