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
In Stara Wiśniewka, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 23.2°C (73.8°F) to a comfortable 18.3°C (64.9°F). Stara Wiśniewka in September experiences a low-temperature average of 10.5°C (50.9°F).Humidity
In September, the average relative humidity in Stara Wiśniewka is 76%.Rainfall
In Stara Wiśniewka, in September, during 14.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Stara Wiśniewka, during the entire year, the rain falls for 182 days and collects up to 532mm (20.94") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 06:01 and sunset at 19:41. On the last day of September, sunrise is at 06:52 and sunset at 18:30 CEST.
Sunshine
In Stara Wiśniewka, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Stara Wiśniewka is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the temperature in September in Stara Wiśniewka?
What is the average humidity in September in Stara Wiśniewka?
How many days does it rain in September in Stara Wiśniewka?
When it does not snow in Stara Wiśniewka?
Does it snow in Stara Wiśniewka in September?
How many hours of daylight does Stara Wiśniewka have in September?
When are sunrise and sunset in September in Stara Wiśniewka?
How long on average sun shines in September in Stara Wiśniewka?
How high is the UV index in September in Stara Wiśniewka?
Average temperature in September
Stara Wiśniewka, Poland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Stara Wiśniewka, Poland
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is October (1016.8mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Stara Wiśniewka, Poland
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Stara Wiśniewka, Poland
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Stara Wiśniewka, Poland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Stara Wiśniewka, Poland
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Stara Wiśniewka, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stara Wiśniewka, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stara Wiśniewka, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Stara Wiśniewka, Poland
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (13.7 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in September
Stara Wiśniewka, Poland
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Stara Wiśniewka, Poland
- Average cloud cover in September: 42
The months with the most cloud cover are January and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Stara Wiśniewka, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
Stara Wiśniewka, Poland
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