September weather forecastMirna, Slovenia
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Mirna, Slovenia, with an average temperature varying between 20.2°C (68.4°F) and 9.4°C (48.9°F).Temperature
The transition into September is accompanied by a temperature decrease, with the average high-temperature shifting from a warm 26.3°C (79.3°F) in August to a pleasant 20.2°C (68.4°F). In Mirna, September is marked by an average low-temperature of 9.4°C (48.9°F).Humidity
The average relative humidity in September in Mirna is 81%.Rainfall
In Mirna, during September, the rain falls for 13.6 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, there are 159.5 rainfall days, and 752mm (29.61") of precipitation is accumulated.Snowfall
In Mirna, snow does not fall in May through September.Daylight
In September, the average length of the day in Mirna is 12h and 32min.On the first day of the month, sunrise is at 06:21 and sunset at 19:38. On the last day of September, sunrise is at 06:57 and sunset at 18:41 CEST.
Sunshine
In Mirna, the average sunshine in September is 9h.UV index
In Mirna, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mirna, Slovenia
- Average high temperature in September: 20.2°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
Mirna, Slovenia
- Average pressure in September: 1017.5mbar
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
Mirna, Slovenia
- Average wind speed in September: 5.9km/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
Mirna, Slovenia
- Average humidity in September: 81%
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
Mirna, Slovenia
- Average rainfall in September: 67mm
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
Mirna, Slovenia
- Average rainfall days in September: 13.6 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
Mirna, 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
Mirna, 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
Mirna, 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: 9h and 0min
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
Mirna, Slovenia
- Average sunshine days in September: 14.1 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
Mirna, 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, February, November and December (UV index 2).
Average cloud cover in September
Mirna, Slovenia
- Average cloud cover in September: 37
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
Mirna, 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).
