September weather forecastKlementowice, Poland
September
Weather in September
September, the first month of the autumn in Klementowice, is still a comfortable month, with an average temperature fluctuating between 10.9°C (51.6°F) and 19.5°C (67.1°F).Temperature
As September begins, there is a decrease in the average high-temperature, falling from a warm 25.5°C (77.9°F) in August to an enjoyable 19.5°C (67.1°F). Throughout September, Klementowice witnesses a consistent average low-temperature of 10.9°C (51.6°F).Humidity
The average relative humidity in September in Klementowice is 72%.Rainfall
In September, in Klementowice, the rain falls for 11.5 days. Throughout September, 29mm (1.14") of precipitation is accumulated. Throughout the year, in Klementowice, there are 154.3 rainfall days, and 458mm (18.03") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 05:45 and sunset at 19:17. On the last day of the month, sunrise is at 06:31 and sunset at 18:11 CEST.
Sunshine
In Klementowice, the average sunshine in September is 7.8h.UV index
In Klementowice, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Klementowice, Poland
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 10.9°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in September
Klementowice, Poland
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Klementowice, Poland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Klementowice, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Klementowice, Poland
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is May (68mm).
The driest month (with the least rainfall) is November (26mm).
Average rainfall days in September
Klementowice, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Klementowice, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (164mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Klementowice, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Klementowice, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Klementowice, Poland
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is January (8 days).
Average UV index in September
Klementowice, 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, November and December (UV index 1).
Average cloud cover in September
Klementowice, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Klementowice, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).





