September weather forecastPernice, Slovenia
September
Weather in September
September, the first month of the autumn in Pernice, is still a comfortable month, with an average temperature varying between 18.2°C (64.8°F) and 9.2°C (48.6°F).Temperature
September's arrival comes with a decrease in the average high-temperature, moving from a warm 23.7°C (74.7°F) in August to an enjoyable 18.2°C (64.8°F). Pernice throughout September, experiences an average nighttime temperature of 9.2°C (48.6°F).Humidity
In September, the average relative humidity in Pernice is 84%.Rainfall
In Pernice, Slovenia, in September, it is raining for 15.8 days, with typically 86mm (3.39") of accumulated precipitation. In Pernice, during the entire year, the rain falls for 192.8 days and collects up to 1073mm (42.24") of precipitation.Snowfall
In Pernice, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 06:20 and sunset at 19:38. On the last day of September, sunrise is at 06:57 and sunset at 18:41 CEST.
Sunshine
In Pernice, Slovenia, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pernice, Slovenia
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Pernice, Slovenia
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is May (1015.1mbar).
Average wind speed in September
Pernice, Slovenia
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is March (7.7km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Pernice, Slovenia
- Average humidity in September: 84%
The month with the highest relative humidity is November (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Pernice, Slovenia
- Average rainfall in September: 86mm
The wettest month (with the highest rainfall) is May (162mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in September
Pernice, Slovenia
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is May (25 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in September
Pernice, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (277mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Pernice, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.7 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
Pernice, Slovenia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Pernice, Slovenia
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is May (4.8 days).
Average UV index in September
Pernice, Slovenia
- Average UV index in September: 3
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
Pernice, Slovenia
- Average cloud cover in September: 48
The months with the most cloud cover are February and November (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Pernice, Slovenia
- Average visibility in September: 7km
The months with the highest visibility are March, April, May, June, July and August (8km).
The month with the lowest visibility is November (6km).





