Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Kostěnice's September weather comes with a decrease in average high-temperatures, moving from a warm 24.6°C (76.3°F) in August to a comfortable 19.3°C (66.7°F). The average low-temperature in Kostěnice during September nights is a frosty 9.8°C (49.6°F).Humidity
In Kostěnice, Czech Republic, the average relative humidity in September is 74%.Rainfall
In Kostěnice, Czech Republic, in September, it is raining for 10.9 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, in Kostěnice, there are 132.2 rainfall days, and 374mm (14.72") of precipitation is accumulated.Snowfall
In Kostěnice, snow does not fall in June through September.Daylight
The average length of the day in September in Kostěnice, Czech Republic, is 12h and 37min.On the first day of the month, sunrise is at 06:12 and sunset at 19:40. On the last day of September, sunrise is at 06:55 and sunset at 18:36 CEST.
Sunshine
The average sunshine in September is 9.2h.UV index
In Kostěnice, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the temperature in September in Kostěnice?
What is the average humidity in September in Kostěnice?
How much does it rain in Kostěnice in September?
When it does not snow in Kostěnice?
Does it snow in Kostěnice in September?
How many hours of daylight does Kostěnice have in September?
When is the sunrise / sunset in September in Kostěnice?
How long on average sun shines in September in Kostěnice?
What is the UV index reading in September in Kostěnice?
Average temperature in September
Kostěnice, Czech Republic
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 9.8°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 (-3.6°C).
Average pressure in September
Kostěnice, Czech Republic
- Average pressure in September: 1018mbar
The months with the highest atmospheric pressure are October and December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1015.1mbar).
Average wind speed in September
Kostěnice, Czech Republic
- Average wind speed in September: 10.1km/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 (9.2km/h).
Average humidity in September
Kostěnice, Czech Republic
- Average humidity in September: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Kostěnice, Czech Republic
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Kostěnice, Czech Republic
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Kostěnice, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kostěnice, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kostěnice, Czech Republic
- Average daylight in September: 12h and 4min
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: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Kostěnice, Czech Republic
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Kostěnice, 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, February, March, October, November and December (UV index 2).
Average cloud cover in September
Kostěnice, Czech Republic
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Kostěnice, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Kostěnice, Czech Republic
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