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
The arrival of September corresponds with a temperature reduction, down from August's warm 25.2°C (77.4°F) to an enjoyable 19.6°C (67.3°F). An average nighttime temperature of 10.1°C (50.2°F) is observed during September.Humidity
The average relative humidity in September in Słona, Poland, is 74%.Rainfall
In Słona, in September, it is raining for 10.5 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 131.2 rainfall days, and 389mm (15.31") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Słona, Poland, is 12h and 37min.On the first day of the month, sunrise is at 05:52 and sunset at 19:20. On the last day of September, sunrise is at 06:35 and sunset at 18:17 CEST.
Sunshine
In September, the average sunshine in Słona is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the usual temperature for Słona in September?
What is the average humidity in September in Słona?
How many days does it rain in September in Słona?
When it does not snow in Słona?
Does it snow in Słona in September?
How many hours of daylight does Słona have in September?
What time are sunrise and sunset in September in Słona?
How many hours of sunshine does Słona have in September?
How high is the UV index in September in Słona?
Average temperature in September
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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
Słona, 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).
Słona, Poland
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