September weather forecastKnorydy, Poland
September
Weather in September
September, the first month of the autumn in Knorydy, is still a comfortable month, with an average temperature varying between 18.4°C (65.1°F) and 9.7°C (49.5°F).Temperature
The arrival of September signals a shift in temperature, down from a moderately hot 24.1°C (75.4°F) in August to an enjoyable 18.4°C (65.1°F). In the month of September, Knorydy experiences an average low-temperature of 9.7°C (49.5°F).Humidity
In Knorydy, the average relative humidity in September is 75%.Rainfall
In Knorydy, in September, it is raining for 12.6 days, with typically 38mm (1.5") of accumulated precipitation. In Knorydy, during the entire year, the rain falls for 163.9 days and collects up to 512mm (20.16") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Knorydy, the average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 05:39 and sunset at 19:15. On the last day of the month, sunrise is at 06:27 and sunset at 18:06 CEST.
Sunshine
The average sunshine in September in Knorydy is 7.6h.UV index
In Knorydy, Poland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Take precautions - Protection against sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Knorydy, Poland
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in September
Knorydy, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Knorydy, Poland
- Average wind speed in September: 11.8km/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 (10.2km/h).
Average humidity in September
Knorydy, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Knorydy, Poland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Knorydy, Poland
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Knorydy, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (187mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Knorydy, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Knorydy, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in September
Knorydy, Poland
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Knorydy, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Knorydy, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Knorydy, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





