September weather forecastBykowo, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Bykowo, Poland, with an average temperature fluctuating between 18.2°C (64.8°F) and 9.5°C (49.1°F).Temperature
With September's arrival, Bykowo's weather changes as the average high-temperature falls from a warm 23.5°C (74.3°F) in August to a refreshing 18.2°C (64.8°F). Bykowo records a consistent low-temperature of 9.5°C (49.1°F) during September nights.Humidity
The average relative humidity in September is 77%.Rainfall
In Bykowo, in September, during 12.8 rainfall days, 28mm (1.1") of precipitation is typically accumulated. In Bykowo, during the entire year, the rain falls for 154.2 days and collects up to 430mm (16.93") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Bykowo is 12h and 42min.On the first day of September, sunrise is at 05:44 and sunset at 19:26. On the last day of the month, sunrise is at 06:36 and sunset at 18:14 CEST.
Sunshine
The average sunshine in September in Bykowo, Poland, is 7.6h.UV index
In September, the average daily maximum UV index in Bykowo is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bykowo, Poland
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in September
Bykowo, Poland
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Bykowo, Poland
- Average wind speed in September: 12.3km/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 (10.8km/h).
Average humidity in September
Bykowo, Poland
- Average humidity in September: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Bykowo, Poland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (60mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Bykowo, Poland
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Bykowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (112mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bykowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bykowo, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Bykowo, Poland
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
Bykowo, Poland
- Average UV index in September: 3
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
Bykowo, Poland
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Bykowo, 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).
