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 onset of September entails a temperature shift, as the average high-temperature decreases from a warm 26.3°C (79.3°F) in August to a pleasant 20.4°C (68.7°F). September in Črnomelj is noted for a mean low-temperature of 9.4°C (48.9°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Črnomelj, in September, during 13.5 rainfall days, 73mm (2.87") of precipitation is typically accumulated. In Črnomelj, during the entire year, the rain falls for 159.4 days and collects up to 758mm (29.84") of precipitation.Snowfall
May through September are months without snowfall in Črnomelj, Slovenia.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Črnomelj, sunrise is at 06:21 and sunset at 19:37. On the last day of the month, sunrise is at 06:56 and sunset at 18:41 CEST.
Sunshine
In Črnomelj, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the average September temperature in Črnomelj?
What is the average humidity in September in Črnomelj?
How much does it rain in Črnomelj in September?
When it does not snow in Črnomelj?
Does it snow in Črnomelj in September?
How many hours of daylight does Črnomelj have in September?
When is the sunrise / sunset in September in Črnomelj?
How many hours of sunshine does Črnomelj have in September?
What is the UV index reading in September in Črnomelj?
Average temperature in September
Črnomelj, Slovenia
- Average high temperature in September: 20.4°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in September: 9.4°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Črnomelj, Slovenia
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are May and June (1014.8mbar).
Average wind speed in September
Črnomelj, Slovenia
- Average wind speed in September: 5.8km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in September
Črnomelj, Slovenia
- Average humidity in September: 80%
The months with the highest relative humidity are January and November (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Črnomelj, Slovenia
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in September
Črnomelj, Slovenia
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Črnomelj, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Črnomelj, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Črnomelj, Slovenia
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Črnomelj, Slovenia
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in September
Črnomelj, Slovenia
- 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 January, February, November and December (UV index 2).
Average cloud cover in September
Črnomelj, Slovenia
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Črnomelj, Slovenia
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).
Črnomelj, Slovenia
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