September weather forecastKlentnice, Czech Republic
September
Weather in September
September, the first month of the autumn in Klentnice, is also an agreeable month, with an average temperature fluctuating between 20.5°C (68.9°F) and 11.3°C (52.3°F).Temperature
The move into September indicates a reduction in the average high-temperature, down from August's warm 26.3°C (79.3°F) to a pleasant 20.5°C (68.9°F). An average low-temperature of 11.3°C (52.3°F) marks the nights throughout September.Humidity
In Klentnice, Czech Republic, the average relative humidity in September is 69%.Rainfall
In Klentnice, during September, the rain falls for 11.1 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Klentnice, there are 137.9 rainfall days, and 400mm (15.75") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Klentnice, Czech Republic, is 12h and 35min.On the first day of September in Klentnice, Czech Republic, sunrise is at 06:10 and sunset at 19:35. On the last day of the month, sunrise is at 06:52 and sunset at 18:34 CEST.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in Klentnice is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To avoid the Sun's strongest rays, limit exposure around the mid-day period. 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
Klentnice, Czech Republic
- Average high temperature in September: 20.5°C
The warmest months (with the highest average high temperature) are July and August (26.3°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure in September
Klentnice, Czech Republic
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is June (1015.1mbar).
Average wind speed in September
Klentnice, Czech Republic
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is February (14.6km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Klentnice, Czech Republic
- Average humidity in September: 69%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Klentnice, Czech Republic
- Average rainfall in September: 31mm
The wettest months (with the highest rainfall) are May and June (61mm).
The driest months (with the least rainfall) are February and April (22mm).
Average rainfall days in September
Klentnice, Czech Republic
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Klentnice, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (73mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Klentnice, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Klentnice, Czech Republic
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Klentnice, Czech Republic
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Klentnice, Czech Republic
- Average UV index in September: 4
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 2).
Average cloud cover in September
Klentnice, Czech Republic
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Klentnice, Czech Republic
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The month with the lowest visibility is January (8km).





