September weather forecastBierdzież, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Bierdzież, Poland, with an average temperature fluctuating between 10.8°C (51.4°F) and 19.4°C (66.9°F).Temperature
The shift from August to September involves a decrease in the average high-temperature, from a warm 25.4°C (77.7°F) to a comfortable 19.4°C (66.9°F). Bierdzież throughout September, experiences an average nighttime temperature of 10.8°C (51.4°F).Humidity
In Bierdzież, the average relative humidity in September is 72%.Rainfall
In September, the rain falls for 9.6 days. Throughout September, 21mm (0.83") of precipitation is accumulated. In Bierdzież, during the entire year, the rain falls for 126.9 days and collects up to 366mm (14.41") of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 05:46 and sunset at 19:19. On the last day of the month, sunrise is at 06:32 and sunset at 18:12 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September in Bierdzież is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bierdzież, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 10.8°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Bierdzież, Poland
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Bierdzież, Poland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Bierdzież, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Bierdzież, Poland
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (57mm).
The driest month (with the least rainfall) is November (17mm).
Average rainfall days in September
Bierdzież, Poland
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
Bierdzież, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Bierdzież, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bierdzież, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Bierdzież, Poland
- Average sunshine days in September: 19 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Bierdzież, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Bierdzież, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Bierdzież, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





