September weather forecastTerfens, Austria
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Terfens, Austria, with an average temperature varying between 14.9°C (58.8°F) and 4.5°C (40.1°F).Temperature
September brings a slight decrease in the average high-temperature, shifting from 19.7°C (67.5°F) in August to a still refreshing 14.9°C (58.8°F). In the month of September, the average low-temperature in Terfens, Austria, usually rests at a wintry 4.5°C (40.1°F).Humidity
In Terfens, the average relative humidity in September is 83%.Rainfall
In September, in Terfens, the rain falls for 18.1 days. Throughout September, 79mm (3.11") of precipitation is accumulated. Throughout the year, there are 183.2 rainfall days, and 1130mm (44.49") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September in Terfens, sunrise is at 06:33 and sunset at 19:53. On the last day of the month, sunrise is at 07:11 and sunset at 18:54 CEST.
Sunshine
In Terfens, Austria, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Terfens, Austria
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is January (-1.1°C).
- Average low temperature in September: 4.5°C
The month with the highest average low temperature is August (7.8°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).
Average pressure in September
Terfens, Austria
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Terfens, Austria
- Average wind speed in September: 5.4km/h
The windiest months (with the highest average wind speed) are February, November and December (7.2km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).
Average humidity in September
Terfens, Austria
- Average humidity in September: 83%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Terfens, Austria
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is August (147mm).
The driest month (with the least rainfall) is February (57mm).
Average rainfall days in September
Terfens, Austria
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Terfens, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (570mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Terfens, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Terfens, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Terfens, Austria
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is October (15.7 days).
The months with the least sunshine days are May and June (4.8 days).
Average UV index in September
Terfens, Austria
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Terfens, Austria
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Terfens, Austria
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and November (8km).
The months with the lowest visibility are January and February (6km).





