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 shift to September brings a decrease in the average high-temperature, falling from a moderately hot 26.1°C (79°F) in August to an agreeable 20.2°C (68.4°F). Kněždub cools down to an average low-temperature of 10.7°C (51.3°F) throughout the month of September.Humidity
The average relative humidity in September is 70%.Rainfall
In Kněždub, in September, it is raining for 8.3 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Kněždub, there are 115.7 rainfall days, and 251mm (9.88") of precipitation is accumulated.Snowfall
In Kněždub, Czech Republic, snow does not fall in May through September.Daylight
In Kněždub, Czech Republic, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:07 and sunset at 19:32. On the last day of the month, sunrise is at 06:49 and sunset at 18:31 CEST.
Sunshine
The average sunshine in September is 8.9h.UV index
In Kněždub, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against skin and eye damage is obliged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the usual temperature for Kněždub in September?
What is the average humidity in September in Kněždub?
How many days does it rain in September in Kněždub?
When it does not snow in Kněždub?
Does it snow in Kněždub in September?
How many hours of daylight does Kněždub have in September?
When are sunrise and sunset in September in Kněždub?
How long on average sun shines in September in Kněždub?
What is the UV index intensity in September in Kněždub?
Average temperature in September
Kněždub, Czech Republic
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Kněždub, Czech Republic
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is June (1015mbar).
Average wind speed in September
Kněždub, Czech Republic
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Kněždub, Czech Republic
- Average humidity in September: 70%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Kněždub, Czech Republic
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is May (41mm).
The driest months (with the least rainfall) are February and April (13mm).
Average rainfall days in September
Kněždub, Czech Republic
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Kněždub, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Kněždub, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kněždub, Czech Republic
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
Kněždub, Czech Republic
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Kněždub, Czech Republic
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Kněždub, Czech Republic
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Kněždub, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January and December (8km).
Kněždub, Czech Republic
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