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
A change in temperatures is noted as August gives way to September, with average highs reducing from a warm 23.9°C (75°F) to a refreshing 18.9°C (66°F). Wonna records an average low of 10.6°C (51.1°F) throughout the nights in September.Humidity
The average relative humidity in September in Wonna, Poland, is 73%.Rainfall
In Wonna, Poland, in September, during 8.3 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, in Wonna, Poland, there are 124.3 rainfall days, and 298mm (11.73") of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September in Wonna is 12h and 41min.On the first day of the month, sunrise is at 05:52 and sunset at 19:31. On the last day of September, sunrise is at 06:42 and sunset at 18:21 CEST.
Sunshine
In Wonna, the average sunshine in September is 8.2h.UV index
In Wonna, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Wonna in September?
What is the average humidity in September in Wonna?
How much does it rain in Wonna in September?
When it does not snow in Wonna?
What is the average length of the day in September in Wonna?
When are sunrise and sunset in September in Wonna?
How many hours of sunshine does Wonna have in September?
What is the UV index intensity in September in Wonna?
Average temperature in September
Wonna, Poland
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Wonna, Poland
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Wonna, Poland
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Wonna, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Wonna, Poland
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Wonna, Poland
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Wonna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Wonna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wonna, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
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: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Wonna, Poland
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Wonna, 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 and November (UV index 1).
Average cloud cover in September
Wonna, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Wonna, 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).
Wonna, Poland
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