September weather forecastWiry, Poland
September
Weather in September
September, the first month of the autumn in Wiry, is still a refreshing month, with an average temperature varying between 19.5°C (67.1°F) and 11.1°C (52°F).Temperature
The decrease of average high-temperatures is mild in September, with a decline from a warm 25°C (77°F) in August to a refreshing 19.5°C (67.1°F). During the nights in September, an average low-temperature of 11.1°C (52°F) is observed.Humidity
The average relative humidity in September is 71%.Rainfall
In September, in Wiry, the rain falls for 12.1 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Wiry, during the entire year, the rain falls for 153.2 days and collects up to 354mm (13.94") of precipitation.Snowfall
In Wiry, snow does not fall in June through October.Daylight
In Wiry, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:04 and sunset at 19:40. On the last day of September, sunrise is at 06:52 and sunset at 18:32 CEST.
Sunshine
In Wiry, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wiry, Poland
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in September
Wiry, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in September
Wiry, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Wiry, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Wiry, Poland
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Wiry, Poland
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Wiry, 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
Wiry, 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Wiry, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Wiry, Poland
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in September
Wiry, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Wiry, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Wiry, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).





