September weather forecastHlavnice, Czech Republic
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Hlavnice, Czech Republic, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 9.7°C (49.5°F).Temperature
With September's onset, the average high-temperature recedes from August's moderately hot 24.3°C (75.7°F) to a comfortable 18.7°C (65.7°F). The mean low-temperature during September nights in Hlavnice is a chilly 9.7°C (49.5°F).Humidity
In September, the average relative humidity is 74%.Rainfall
In Hlavnice, in September, during 13.2 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, there are 161 rainfall days, and 477mm (18.78") of precipitation is accumulated.Snowfall
In Hlavnice, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:05 and sunset at 19:32. On the last day of the month, sunrise is at 06:48 and sunset at 18:29 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September in Hlavnice, Czech Republic, is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. 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
Hlavnice, Czech Republic
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Hlavnice, Czech Republic
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in September
Hlavnice, Czech Republic
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Hlavnice, Czech Republic
- Average humidity in September: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Hlavnice, Czech Republic
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is July (64mm).
The driest month (with the least rainfall) is November (23mm).
Average rainfall days in September
Hlavnice, Czech Republic
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Hlavnice, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (118mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hlavnice, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hlavnice, Czech Republic
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Hlavnice, Czech Republic
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Hlavnice, Czech Republic
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Hlavnice, Czech Republic
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Hlavnice, Czech Republic
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).





