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
September
Weather in September
Temperature
During the transition into September, Biała Wielka observes a decrease in the average high-temperature, falling from a warm 23.9°C (75°F) in August to a comfortable 18.5°C (65.3°F). An average temperature of 10.4°C (50.7°F) is recorded during the nights in September.Humidity
The average relative humidity in September 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, there are 138.8 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
In Biała Wielka, Poland, snow does not fall in June through September.Daylight
The average length of the day in September in Biała Wielka is 12h and 38min.On the first day of September, sunrise is at 05:56 and sunset at 19:26. On the last day of the month, sunrise is at 06:40 and sunset at 18:21 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Biała Wielka, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Exercise prevention - Warding off sunburn is urged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Biała Wielka have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Biała Wielka have in September?
What is the UV index intensity in September?
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).
