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
September
Weather in September
Temperature
September weather is marked by a drop in the average high-temperature, falling from a pleasant 22.3°C (72.1°F) in August to a comfortable 17.1°C (62.8°F). Semmering observes an average low-temperature of 8.1°C (46.6°F) during September.Humidity
In September, the average relative humidity in Semmering is 81%.Rainfall
In Semmering, Austria, in September, during 9.4 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 119.1 rainfall days, and 541mm (21.3") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Semmering.Daylight
In Semmering, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:15 and sunset at 19:37. On the last day of September, in Semmering, sunrise is at 06:55 and sunset at 18:38 CEST.
Sunshine
In September, the average sunshine in Semmering, Austria, is 8.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Semmering?
What is the average humidity in September in Semmering?
How many days does it rain in September in Semmering?
When it does not snow in Semmering?
Does it snow in Semmering in September?
What is the average length of the day in September in Semmering?
When is the sunrise / sunset in September in Semmering?
How long on average sun shines in September in Semmering?
How high is the UV index in September in Semmering?
Average temperature in September
Semmering, Austria
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).
Average pressure in September
Semmering, Austria
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The months with the lowest atmospheric pressure are May and June (1015.3mbar).
Average wind speed in September
Semmering, Austria
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is March (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Semmering, Austria
- Average humidity in September: 81%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in September
Semmering, Austria
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (86mm).
The driest months (with the least rainfall) are March and April (23mm).
Average rainfall days in September
Semmering, Austria
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in September
Semmering, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (263mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Semmering, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Semmering, Austria
- Average daylight in September: 12h and 4min
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 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Semmering, Austria
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is November (22.6 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
Semmering, Austria
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Semmering, Austria
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Semmering, Austria
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The month with the lowest visibility is January (6km).
