September weather forecastGrudna Dolna, Poland
September
Weather in September
September, the first month of the autumn in Grudna Dolna, is also an enjoyable month, with an average temperature varying between 10°C (50°F) and 19.6°C (67.3°F).Temperature
As Grudna Dolna enters September, the average high-temperature decreases from the a warm 25.2°C (77.4°F) of August to a comfortable 19.6°C (67.3°F). Grudna Dolna, during September nights, observes an average temperature of 10°C (50°F).Humidity
The average relative humidity in September is 74%.Rainfall
In September, the rain falls for 11.3 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 134.3 rainfall days, and 336mm (13.23") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Grudna Dolna, Poland.Daylight
In Grudna Dolna, the average length of the day in September is 12h and 37min.On the first day of September in Grudna Dolna, sunrise is at 05:50 and sunset at 19:17. On the last day of the month, sunrise is at 06:33 and sunset at 18:14 CEST.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grudna Dolna, 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°C).
- Average low temperature in September: 10°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 (-4.1°C).
Average pressure in September
Grudna Dolna, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Grudna Dolna, Poland
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Grudna Dolna, 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
Grudna Dolna, Poland
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is March (15mm).
Average rainfall days in September
Grudna Dolna, Poland
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
Grudna Dolna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grudna Dolna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grudna Dolna, Poland
- Average daylight in September: 12h and 36min
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 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Grudna Dolna, Poland
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Grudna Dolna, 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 November and December (UV index 1).
Average cloud cover in September
Grudna Dolna, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Grudna Dolna, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
