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 involves a decrease in temperature, down from a moderately hot 25.3°C (77.5°F) in August to a comfortable 19.7°C (67.5°F). Throughout September, Iskań's nights cool down to an average of 9.4°C (48.9°F).Humidity
In September, the average relative humidity in Iskań is 74%.Rainfall
The months with the least rainfall are January and September Rain falls for 10.3 days and accumulates 21mm (0.83") of rain.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 05:46 and sunset at 19:13. On the last day of September, sunrise is at 06:29 and sunset at 18:10 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are the temperatures in Iskań in September?
What is the average humidity in September in Iskań?
What is the driest month in Iskań?
How many days does it rain in September in Iskań?
When it does not snow in Iskań?
Does it snow in Iskań in September?
What is the average length of the day in September in Iskań?
When is the sunrise / sunset in September in Iskań?
How long on average sun shines in September in Iskań?
What is the UV index reading in September in Iskań?
Average temperature in September
Iskań, Poland
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in September
Iskań, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019.3mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in September
Iskań, Poland
- Average wind speed in September: 10.1km/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 (8.8km/h).
Average humidity in September
Iskań, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Iskań, Poland
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (67mm).
The driest months (with the least rainfall) are January and September (21mm).
Average rainfall days in September
Iskań, Poland
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Iskań, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (114mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Iskań, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Iskań, 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 42min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Iskań, Poland
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in September
Iskań, Poland
- Average UV index in September: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Iskań, Poland
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Iskań, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
Iskań, Poland
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