September weather forecastLetiny, Czech Republic
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Letiny, Czech Republic, with an average temperature ranging between min 8.8°C (47.8°F) and max 18.5°C (65.3°F).Temperature
The decrease of average high-temperatures is mild in September, with a decline from a warm 23.8°C (74.8°F) in August to a refreshing 18.5°C (65.3°F). Letiny experiences an average nighttime temperature of 8.8°C (47.8°F) in the month of September.Humidity
In Letiny, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 11.9 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Letiny, there are 156.2 rainfall days, and 398mm (15.67") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Letiny.Daylight
In Letiny, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 06:22 and sunset at 19:49. On the last day of the month, sunrise is at 07:05 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Letiny, Czech Republic
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Letiny, Czech Republic
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The months with the lowest atmospheric pressure are July and November (1015.5mbar).
Average wind speed in September
Letiny, Czech Republic
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in September
Letiny, Czech Republic
- Average humidity in September: 77%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Letiny, Czech Republic
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in September
Letiny, Czech Republic
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Letiny, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (83mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Letiny, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Letiny, Czech Republic
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Letiny, Czech Republic
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Letiny, Czech Republic
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Letiny, Czech Republic
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Letiny, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
