Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September is marked by a decrease in temperature, transitioning from a moderately hot 23.9°C (75°F) in August to a comfortable 18.5°C (65.3°F). The month of September records an average low-temperature of 10.4°C (50.7°F) in Biała Wielka.Humidity
The average relative humidity in September in Biała Wielka is 74%.Rainfall
In Biała Wielka, during September, the rain falls for 12.1 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, in Biała Wielka, there are 138.8 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Biała Wielka, Poland, is 12h and 38min.On the first day of the month, sunrise is at 05:56 and sunset at 19:26. On the last day of September, in Biała Wielka, Poland, sunrise is at 06:40 and sunset at 18:21 CEST.
Sunshine
In Biała Wielka, Poland, the average sunshine in September is 7.9h.UV index
In Biała Wielka, Poland, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 3 during September leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the average September temperature in Biała Wielka?
What is the average humidity in September in Biała Wielka?
How many days does it rain in September in Biała Wielka?
When it does not snow in Biała Wielka?
Does it snow in Biała Wielka in September?
What is the average length of the day in September in Biała Wielka?
What time are sunrise and sunset in September in Biała Wielka?
How long on average sun shines in September in Biała Wielka?
What is the UV index reading in September in Biała Wielka?
Average temperature in September
Biała Wielka, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Biała Wielka, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).
Average wind speed in September
Biała Wielka, Poland
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Biała Wielka, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in September
Biała Wielka, Poland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in September
Biała Wielka, Poland
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Biała Wielka, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Biała Wielka, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Biała Wielka, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Biała Wielka, Poland
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Biała Wielka, Poland
- Average UV index in September: 3
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
Biała Wielka, Poland
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Biała Wielka, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
Biała Wielka, Poland
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