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
As September commences, the average high-temperature shows a reduction, transitioning from a moderately hot 24.7°C (76.5°F) in August to a refreshing 19.3°C (66.7°F). During the month of September, Košíře experiences a steady low-temperature average of 10.7°C (51.3°F).Humidity
In Košíře, the average relative humidity in September is 73%.Rainfall
In Košíře, in September, during 12.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 167.5 rainfall days, and 540mm (21.26") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Košíře, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:18 and sunset at 19:46. On the last day of September, sunrise is at 07:01 and sunset at 18:42 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take precautions - Protection against sun damage is advised. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Košíře in September?
What is the average humidity in September in Košíře?
How many days does it rain in September in Košíře?
When it does not snow in Košíře?
Does it snow in Košíře in September?
What is the average length of the day in September in Košíře?
When is the sunrise / sunset in September in Košíře?
How many hours of sunshine does Košíře have in September?
How high is the UV index in September in Košíře?
Average temperature in September
Košíře, Czech Republic
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in September
Košíře, Czech Republic
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1015.2mbar).
Average wind speed in September
Košíře, Czech Republic
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Košíře, Czech Republic
- Average humidity in September: 73%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Košíře, Czech Republic
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is June (77mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in September
Košíře, Czech Republic
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in September
Košíře, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (122mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Košíře, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Košíře, 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: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Košíře, Czech Republic
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in September
Košíře, Czech Republic
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Košíře, Czech Republic
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Košíře, 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 months with the lowest visibility are January, February and December (8km).
Košíře, Czech Republic
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