September weather forecastPerná, Czech Republic
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Perná, Czech Republic, with an average temperature fluctuating between 20.5°C (68.9°F) and 11.3°C (52.3°F).Temperature
In Perná, the average high-temperature in September drops from a moderately hot 26.3°C (79.3°F) in August to an agreeable 20.5°C (68.9°F). During September, the nighttime temperature averages to a fresh 11.3°C (52.3°F).Humidity
In September, the average relative humidity in Perná is 69%.Rainfall
In September, in Perná, Czech Republic, the rain falls for 11.1 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Perná, during the entire year, the rain falls for 137.9 days and collects up to 400mm (15.75") of precipitation.Snowfall
In Perná, snow does not fall in May through October.Daylight
In Perná, Czech Republic, the average length of the day in September is 12h and 35min.On the first day of September in Perná, sunrise is at 06:11 and sunset at 19:35. On the last day of the month, sunrise is at 06:52 and sunset at 18:34 CEST.
Sunshine
In Perná, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Perná is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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
Perná, 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).
