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
A decrease in the average high-temperature is observed during September, shifting from a warm 25°C (77°F) in August to a comfortable 18.8°C (65.8°F). September witnesses an average nighttime temperature of 10.8°C (51.4°F) in Białołęka.Humidity
The average relative humidity in September is 73%.Rainfall
In Białołęka, during September, the rain falls for 11.5 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Białołęka, Poland, there are 142.6 rainfall days, and 340mm (13.39") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Białołęka, Poland, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 05:48 and sunset at 19:23. On the last day of September, in Białołęka, sunrise is at 06:36 and sunset at 18:15 CEST.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Białołęka is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Białołęka in September?
What is the average humidity in September in Białołęka?
How much does it rain in Białołęka in September?
When it does not snow in Białołęka?
Does it snow in Białołęka in September?
How many hours of daylight does Białołęka have in September?
When is the sunrise / sunset in September in Białołęka?
How long on average sun shines in September in Białołęka?
How high is the UV index in September in Białołęka?
Average temperature in September
Białołęka, Poland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Białołęka, Poland
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Białołęka, Poland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Białołęka, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Białołęka, Poland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (55mm).
The driest months (with the least rainfall) are February, March, April and November (20mm).
Average rainfall days in September
Białołęka, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Białołęka, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Białołęka, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Białołęka, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 0min
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 48min).
Average sunshine days in September
Białołęka, Poland
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is January (10.8 days).
Average UV index in September
Białołęka, 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
Białołęka, Poland
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Białołęka, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).
