September weather forecastKoretno, Slovenia
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Koretno, Slovenia, with an average temperature fluctuating between 19.3°C (66.7°F) and 9.4°C (48.9°F).Temperature
The shift to September brings a decrease in the average high-temperature, falling from a warm 25.2°C (77.4°F) in August to a refreshing 19.3°C (66.7°F). Koretno's September nights cool down to an average low-temperature of 9.4°C (48.9°F).Humidity
In September, the average relative humidity in Koretno, Slovenia, is 82%.Rainfall
In Koretno, in September, during 15.1 rainfall days, 77mm (3.03") of precipitation is typically accumulated. In Koretno, during the entire year, the rain falls for 179.3 days and collects up to 854mm (33.62") of precipitation.Snowfall
May through September are months without snowfall in Koretno, Slovenia.Daylight
In Koretno, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:18 and sunset at 19:36. On the last day of September, sunrise is at 06:55 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koretno, Slovenia
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Koretno, Slovenia
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May and June (1015mbar).
Average wind speed in September
Koretno, Slovenia
- Average wind speed in September: 5.8km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity in September
Koretno, Slovenia
- Average humidity in September: 82%
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Koretno, Slovenia
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in September
Koretno, Slovenia
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Koretno, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (185mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Koretno, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 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
Koretno, Slovenia
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Koretno, Slovenia
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is May (5.9 days).
Average UV index in September
Koretno, 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 and November (UV index 1).
Average cloud cover in September
Koretno, Slovenia
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Koretno, 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).
