September weather forecastVimperk, Czech Republic
September
Weather in September
September marks the transition from summer to autumn in Vimperk, with the average maximum temperature dropping to a cooler 16°C (60.8°F). A decrease in rainfall compared to August, falling to 62mm (2.44"), signifies the city's transition to less rainy days. While the daylight hours start to decrease, there is still plenty of sunshine to enjoy outdoor activities. Evenings cool down significantly and the slowdown in wind speed make for peaceful and comfortable outdoor habitats. September’s colorful fall foliage becomes the city's main attraction during this period.Temperature
September's onset in Vimperk corresponds with a subtle shift in the average high-temperature, slightly moving from a pleasant 20.9°C (69.6°F) in August to a refreshing 16°C (60.8°F). In the month of September, the average temperature in Vimperk, Czech Republic, dips to a frosty 7°C (44.6°F) during the night.Humidity
The average relative humidity in September is 84%.Rainfall
In Vimperk, in September, during 18 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In Vimperk, during the entire year, the rain falls for 163.3 days and collects up to 860mm (33.86") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Vimperk, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:22 and sunset at 19:47. On the last day of September, in Vimperk, Czech Republic, sunrise is at 07:03 and sunset at 18:45 CEST.
Sunshine
The average sunshine in September in Vimperk, Czech Republic, is 7.5h.UV index
In September, the average daily maximum UV index in Vimperk is 3. 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: In September, the maximum UV index of 3 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vimperk, Czech Republic
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 7°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is January (-6.3°C).
Average pressure in September
Vimperk, Czech Republic
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Vimperk, Czech Republic
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in September
Vimperk, Czech Republic
- Average humidity in September: 84%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Vimperk, Czech Republic
- Average rainfall in September: 62mm
The wettest months (with the highest rainfall) are May and June (133mm).
The driest month (with the least rainfall) is November (30mm).
Average rainfall days in September
Vimperk, Czech Republic
- Average rainfall days in September: 18 days
The month with the highest number of rainy days is May (24.7 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Vimperk, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (224mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vimperk, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vimperk, 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: 7h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Vimperk, Czech Republic
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (3.5 days).
Average UV index in September
Vimperk, Czech Republic
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Vimperk, Czech Republic
- Average cloud cover in September: 48
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Vimperk, Czech Republic
- Average visibility in September: 8km
The month with the highest visibility is July (9km).
The month with the lowest visibility is January (6km).





