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 beginning of September involves a decrease in the average high-temperature, transitioning from a pleasant 22.5°C (72.5°F) in August to a comfortable 17°C (62.6°F). During the nights in September, Šemnice experiences a consistent average temperature of 8°C (46.4°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Šemnice, Czech Republic, during September, the rain falls for 12.7 days and regularly aggregates up to 34mm (1.34") of precipitation. In Šemnice, during the entire year, the rain falls for 177.4 days and collects up to 534mm (21.02") of precipitation.Snowfall
June through September are months without snowfall in Šemnice.Daylight
In Šemnice, the average length of the day in September is 12h and 37min.On the first day of September in Šemnice, sunrise is at 06:23 and sunset at 19:52. On the last day of the month, sunrise is at 07:07 and sunset at 18:48 CEST.
Sunshine
In September, the average sunshine in Šemnice is 8.1h.UV index
The average daily maximum UV index in September in Šemnice is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are the temperatures in Šemnice in September?
What is the average humidity in September in Šemnice?
How much does it rain in Šemnice in September?
When it does not snow in Šemnice?
Does it snow in Šemnice in September?
How many hours of daylight does Šemnice have in September?
What time are sunrise and sunset in September in Šemnice?
How many hours of sunshine does Šemnice have in September?
What is the UV index reading in September in Šemnice?
Average temperature in September
Šemnice, Czech Republic
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in September
Šemnice, Czech Republic
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Šemnice, Czech Republic
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in September
Šemnice, Czech Republic
- Average humidity in September: 80%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Šemnice, Czech Republic
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Šemnice, Czech Republic
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Šemnice, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (185mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Šemnice, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Šemnice, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Šemnice, Czech Republic
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Šemnice, 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, February, November and December (UV index 1).
Average cloud cover in September
Šemnice, Czech Republic
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Šemnice, Czech Republic
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The month with the lowest visibility is January (6km).
Šemnice, Czech Republic
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