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
Trebija's September weather shows a moderate shift in high-temperatures, falling from August's warm 24.9°C (76.8°F) to a refreshing 19.1°C (66.4°F). The average nighttime temperature in Trebija lowers to a chilly 8.7°C (47.7°F) throughout September.Humidity
In Trebija, the average relative humidity in September is 82%.Rainfall
In Trebija, Slovenia, during September, the rain falls for 16.4 days and regularly aggregates up to 97mm (3.82") of precipitation. Throughout the year, in Trebija, there are 195.6 rainfall days, and 1064mm (41.89") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Trebija.Daylight
In September, the average length of the day in Trebija is 12h and 32min.On the first day of the month, sunrise is at 06:24 and sunset at 19:42. On the last day of September, in Trebija, Slovenia, sunrise is at 07:01 and sunset at 18:45 CEST.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 suggests this advice:
Undertake precautions - Guarding against sun damage is counselled. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the average September temperature in Trebija?
What is the average humidity in September in Trebija?
How much does it rain in Trebija in September?
When it does not snow in Trebija?
Does it snow in Trebija in September?
What is the average length of the day in September in Trebija?
When are sunrise and sunset in September in Trebija?
How long on average sun shines in September in Trebija?
What is the UV index reading in September in Trebija?
Average temperature in September
Trebija, Slovenia
- Average high temperature in September: 19.1°C
The warmest months (with the highest average high temperature) are July and August (24.9°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).
Average pressure in September
Trebija, Slovenia
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is May (1015mbar).
Average wind speed in September
Trebija, Slovenia
- Average wind speed in September: 5.8km/h
The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).
Average humidity in September
Trebija, Slovenia
- Average humidity in September: 82%
The month with the highest relative humidity is November (88%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Trebija, Slovenia
- Average rainfall in September: 97mm
The wettest month (with the highest rainfall) is May (121mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in September
Trebija, Slovenia
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is January (10.9 days).
Average snowfall in September
Trebija, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (196mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Trebija, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 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
Trebija, Slovenia
- Average daylight in September: 12h and 3min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Trebija, Slovenia
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is December (15.4 days).
The month with the least sunshine days is July (5.7 days).
Average UV index in September
Trebija, Slovenia
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Trebija, Slovenia
- Average cloud cover in September: 40
The months with the most cloud cover are February and November (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Trebija, Slovenia
- Average visibility in September: 8km
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).
Trebija, Slovenia
Weather forecast for your location
2. Allow the app to use your location
