September weather forecastStoperce, Slovenia
September
Weather in September
September, the first month of the autumn in Stoperce, is still a refreshing month, with an average temperature varying between 19.5°C (67.1°F) and 10.1°C (50.2°F).Temperature
Start of September brings a shift in the average high-temperature, falling from August's moderately hot 25.1°C (77.2°F) to an enjoyable 19.5°C (67.1°F). The average temperature drops to a fresh 10.1°C (50.2°F) during the night in the month of September.Humidity
In Stoperce, the average relative humidity in September is 81%.Rainfall
In Stoperce, during September, the rain falls for 14.5 days and regularly aggregates up to 77mm (3.03") of precipitation. Throughout the year, in Stoperce, there are 188.4 rainfall days, and 935mm (36.81") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Stoperce.Daylight
The average length of the day in September in Stoperce is 12h and 33min.On the first day of September in Stoperce, sunrise is at 06:18 and sunset at 19:35. On the last day of the month, sunrise is at 06:54 and sunset at 18:38 CEST.
Sunshine
In Stoperce, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stoperce, Slovenia
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Stoperce, Slovenia
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are May and June (1015.1mbar).
Average wind speed in September
Stoperce, Slovenia
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Stoperce, Slovenia
- Average humidity in September: 81%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Stoperce, Slovenia
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is May (139mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in September
Stoperce, Slovenia
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (24 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Stoperce, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (210mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Stoperce, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 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
Stoperce, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Stoperce, Slovenia
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is May (4.2 days).
Average UV index in September
Stoperce, Slovenia
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Stoperce, Slovenia
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Stoperce, Slovenia
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).





