September weather forecastBierkowo, Poland
September
Weather in September
September, the first month of the autumn in Bierkowo, is still a refreshing month, with an average temperature fluctuating between 11.8°C (53.2°F) and 17.9°C (64.2°F).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a pleasant 22.8°C (73°F) to an enjoyable 17.9°C (64.2°F). In the month of September, Bierkowo records a consistent average low-temperature of 11.8°C (53.2°F).Humidity
In Bierkowo, the average relative humidity in September is 75%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Bierkowo, there are 129.2 rainfall days, and 353mm (13.9") of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 43min.On the first day of September in Bierkowo, Poland, sunrise is at 06:00 and sunset at 19:43. On the last day of the month, sunrise is at 06:53 and sunset at 18:30 CEST.
Sunshine
In Bierkowo, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Bierkowo is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Exercise prevention - Warding off sunburn is urged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. 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
Bierkowo, Poland
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).
Average pressure in September
Bierkowo, Poland
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is October (1016.3mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Bierkowo, Poland
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is December (19.4km/h).
The calmest month (with the lowest average wind speed) is August (13.9km/h).
Average humidity in September
Bierkowo, Poland
- Average humidity in September: 75%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Bierkowo, Poland
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Bierkowo, Poland
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is April (8 days).
Average snowfall in September
Bierkowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Bierkowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 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
Bierkowo, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 2h and 48min).
Average sunshine days in September
Bierkowo, Poland
- Average sunshine days in September: 17.1 days
The months with the most sunshine days are April and May (19.8 days).
The month with the least sunshine days is December (12 days).
Average UV index in September
Bierkowo, 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 November and December (UV index 1).
Average cloud cover in September
Bierkowo, Poland
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Bierkowo, Poland
- Average visibility in September: 10km
The months with the highest visibility are April, June, August, September and October (10km).
The months with the lowest visibility are January, February, March, May, July, November and December (9km).
