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
September shows a mild decline in the average high-temperature, falling from August's warm 25°C (77°F) to a refreshing 19.1°C (66.4°F). During the September nights, an average temperature of 10.8°C (51.4°F) is observed.Humidity
The average relative humidity in September is 72%.Rainfall
In Okęcie, in September, it is raining for 11.8 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 147.9 rainfall days, and 370mm (14.57") of precipitation is accumulated.Snowfall
In Okęcie, snow does not fall in June through September.Daylight
In Okęcie, the average length of the day in September is 12h and 40min.On the first day of September in Okęcie, sunrise is at 05:48 and sunset at 19:23. On the last day of the month, sunrise is at 06:36 and sunset at 18:15 CEST.
Sunshine
The average sunshine in September in Okęcie is 7.9h.UV index
In September, the average daily maximum UV index in Okęcie is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are the temperatures in Okęcie in September?
What is the average humidity in September in Okęcie?
How much does it rain in Okęcie in September?
When it does not snow in Okęcie?
Does it snow in Okęcie in September?
How many hours of daylight does Okęcie have in September?
What time are sunrise and sunset in September in Okęcie?
How many hours of sunshine does Okęcie have in September?
What is the UV index intensity in September in Okęcie?
Average temperature in September
Okęcie, Poland
- Average high temperature in September: 19.1°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 (15.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Okęcie, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Okęcie, Poland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Okęcie, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Okęcie, Poland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (57mm).
The driest months (with the least rainfall) are April and November (21mm).
Average rainfall days in September
Okęcie, Poland
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Okęcie, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Okęcie, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Okęcie, 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: 7h and 5min
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
Okęcie, Poland
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Okęcie, Poland
- Average UV index in September: 4
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
Okęcie, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Okęcie, 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).
Okęcie, Poland
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