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
Častolovice's September weather comes with a decrease in average high-temperatures, moving from a warm 23.2°C (73.8°F) in August to a refreshing 18°C (64.4°F). During the month of September, the temperature in Častolovice generally drops to a low average of 8.6°C (47.5°F).Humidity
In September, the average relative humidity in Častolovice is 77%.Rainfall
In September, the rain falls for 9.8 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 134 rainfall days, and 451mm (17.76") of precipitation is accumulated.Snowfall
In Častolovice, snow does not fall in June through September.Daylight
In Častolovice, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:10 and sunset at 19:39. On the last day of September, sunrise is at 06:54 and sunset at 18:35 CEST.
Sunshine
The average sunshine in September in Častolovice is 8.7h.UV index
In Častolovice, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Take necessary precautions - Defending against sun damage is advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are the temperatures in Častolovice in September?
What is the average humidity in September in Častolovice?
How much does it rain in Častolovice in September?
When it does not snow in Častolovice?
Does it snow in Častolovice in September?
What is the average length of the day in September in Častolovice?
What time are sunrise and sunset in September in Častolovice?
How long on average sun shines in September in Častolovice?
How high is the UV index in September in Častolovice?
Average temperature in September
Častolovice, Czech Republic
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in September
Častolovice, Czech Republic
- Average pressure in September: 1018mbar
The months with the highest atmospheric pressure are October and December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in September
Častolovice, Czech Republic
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Častolovice, Czech Republic
- Average humidity in September: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Častolovice, Czech Republic
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Častolovice, Czech Republic
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Častolovice, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (138mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Častolovice, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Častolovice, 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 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Častolovice, Czech Republic
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is October (18.7 days).
The months with the least sunshine days are May and December (11 days).
Average UV index in September
Častolovice, Czech Republic
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Častolovice, Czech Republic
- Average cloud cover in September: 38
The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Častolovice, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
Častolovice, Czech Republic
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