September weather forecastBierawa, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Bierawa, Poland, with an average temperature fluctuating between 19.5°C (67.1°F) and 11.2°C (52.2°F).Temperature
As August transitions to September, the average high-temperature falls from a moderately hot 25.6°C (78.1°F) to an enjoyable 19.5°C (67.1°F). An average low-temperature of 11.2°C (52.2°F) marks the nights throughout September.Humidity
In September, the average relative humidity is 71%.Rainfall
In Bierawa, Poland, in September, it is raining for 12.5 days, with typically 39mm (1.54") of accumulated precipitation. In Bierawa, Poland, during the entire year, the rain falls for 151.3 days and collects up to 430mm (16.93") of precipitation.Snowfall
In Bierawa, snow does not fall in June through September.Daylight
In Bierawa, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:02 and sunset at 19:31. On the last day of the month, sunrise is at 06:46 and sunset at 18:27 CEST.
Sunshine
In Bierawa, the average sunshine in September is 8.6h.UV index
In Bierawa, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bierawa, Poland
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure in September
Bierawa, Poland
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).
Average wind speed in September
Bierawa, Poland
- Average wind speed in September: 10.5km/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 (9.8km/h).
Average humidity in September
Bierawa, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Bierawa, Poland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (20mm).
Average rainfall days in September
Bierawa, Poland
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (18.1 days).
The months with the least rainy days are January and February (8.7 days).
Average snowfall in September
Bierawa, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bierawa, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bierawa, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Bierawa, Poland
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Bierawa, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Bierawa, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Bierawa, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and February (8km).





