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
Jastew's September weather features a mild decline in high-temperatures, reducing from a warm 25.2°C (77.4°F) in August to an enjoyable 19.6°C (67.3°F). Throughout September, Jastew's nights cool down to an average of 10.1°C (50.2°F).Humidity
In September, the average relative humidity is 74%.Rainfall
In Jastew, Poland, in September, during 10.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Jastew, there are 131.2 rainfall days, and 389mm (15.31") of precipitation is accumulated.Snowfall
In Jastew, snow does not fall in June through September.Daylight
The average length of the day in September in Jastew is 12h and 37min.On the first day of September in Jastew, sunrise is at 05:53 and sunset at 19:21. On the last day of the month, sunrise is at 06:36 and sunset at 18:17 CEST.
Sunshine
In Jastew, Poland, the average sunshine in September is 8.1h.UV index
In Jastew, Poland, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the average September temperature in Jastew?
What is the average humidity in September in Jastew?
How many days does it rain in September in Jastew?
When it does not snow in Jastew?
Does it snow in Jastew in September?
How many hours of daylight does Jastew have in September?
When is the sunrise / sunset in September in Jastew?
How long on average sun shines in September in Jastew?
How high is the UV index in September in Jastew?
Average temperature in September
Jastew, Poland
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Jastew, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).
Average wind speed in September
Jastew, Poland
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Jastew, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Jastew, Poland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is March (18mm).
Average rainfall days in September
Jastew, Poland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Jastew, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Jastew, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jastew, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Jastew, Poland
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is November (17.9 days).
The months with the least sunshine days are February and June (11.6 days).
Average UV index in September
Jastew, 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 November and December (UV index 1).
Average cloud cover in September
Jastew, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Jastew, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
Jastew, Poland
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