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
During the shift to September, Alpendorf records a mild decrease in average high-temperature, moving from a comfortable 19°C (66.2°F) in August to a mild 14.6°C (58.3°F). During the September nights, an average temperature of 4°C (39.2°F) is observed.Humidity
In September, the average relative humidity is 85%.Rainfall
In Alpendorf, Austria, during September, the rain falls for 18.4 days and regularly aggregates up to 114mm (4.49") of precipitation. In Alpendorf, during the entire year, the rain falls for 207 days and collects up to 1419mm (55.87") of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 31mm (1.22") of snow. Throughout the year, there are 89.6 snowfall days, and 2944mm (115.91") of snow is accumulated.Daylight
In Alpendorf, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:26 and sunset at 19:47. On the last day of September, in Alpendorf, sunrise is at 07:05 and sunset at 18:48 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Alpendorf have in September?
What is the UV index intensity in September?
Average temperature in September
Alpendorf, Austria
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is August (19°C).
The month with the lowest average high temperature is January (-2.7°C).
- Average low temperature in September: 4°C
The months with the highest average low temperature are July and August (7.6°C).
The coldest month (with the lowest average low temperature) is January (-10.1°C).
Average pressure in September
Alpendorf, 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 April and May (1015.6mbar).
Average wind speed in September
Alpendorf, Austria
- Average wind speed in September: 5.5km/h
The windiest months (with the highest average wind speed) are February and December (7.5km/h).
The calmest month (with the lowest average wind speed) is August (5.1km/h).
Average humidity in September
Alpendorf, Austria
- Average humidity in September: 85%
The months with the highest relative humidity are February and March (93%).
The months with the lowest relative humidity are July and August (82%).
Average rainfall in September
Alpendorf, Austria
- Average rainfall in September: 114mm
The wettest month (with the highest rainfall) is May (171mm).
The driest month (with the least rainfall) is November (81mm).
Average rainfall days in September
Alpendorf, Austria
- Average rainfall days in September: 18.4 days
The month with the highest number of rainy days is May (27.3 days).
The months with the least rainy days are January and February (9.3 days).
Average snowfall in September
Alpendorf, Austria
- Average snowfall in September: 31mm
The month with the highest snowfall is January (745mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Alpendorf, Austria
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (18.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Alpendorf, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Alpendorf, Austria
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is May (2.3 days).
Average UV index in September
Alpendorf, Austria
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Alpendorf, Austria
- Average cloud cover in September: 51
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Alpendorf, Austria
- Average visibility in September: 7km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (7km).
The months with the lowest visibility are January and February (5km).
Alpendorf, Austria
Weather forecast for your location
2. Allow the app to use your location