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
The decrease of average high-temperatures is mild in September, with a decline from a moderately hot 23.5°C (74.3°F) in August to an enjoyable 18.4°C (65.1°F). Throughout the month of September, Košťálov witnesses an average temperature of 9.9°C (49.8°F).Humidity
In Košťálov, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 14.7 days. Throughout September, 42mm (1.65") of precipitation is accumulated. In Košťálov, during the entire year, the rain falls for 174.7 days and collects up to 622mm (24.49") of precipitation.Snowfall
In Košťálov, snow does not fall in June through September.Daylight
In Košťálov, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:13 and sunset at 19:43. On the last day of September, sunrise is at 06:57 and sunset at 18:38 CEST.
Sunshine
The average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the usual temperature for Košťálov in September?
What is the average humidity in September in Košťálov?
How many days does it rain in September in Košťálov?
When it does not snow in Košťálov?
Does it snow in Košťálov in September?
How many hours of daylight does Košťálov have in September?
When is the sunrise / sunset in September in Košťálov?
How long on average sun shines in September in Košťálov?
How high is the UV index in September in Košťálov?
Average temperature in September
Košťálov, Czech Republic
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).
Average pressure in September
Košťálov, Czech Republic
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1014.8mbar).
Average wind speed in September
Košťálov, Czech Republic
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is December (11.8km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Košťálov, Czech Republic
- Average humidity in September: 76%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in September
Košťálov, Czech Republic
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is June (83mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Košťálov, Czech Republic
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in September
Košťálov, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (297mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Košťálov, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Košťálov, Czech Republic
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Košťálov, Czech Republic
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (6.3 days).
Average UV index in September
Košťálov, 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 November and December (UV index 1).
Average cloud cover in September
Košťálov, Czech Republic
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Košťálov, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and December (7km).
Košťálov, Czech Republic
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