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
A shift in the average high-temperature occurs in September, reducing from an agreeable 22.3°C (72.1°F) in August to a comfortable 17.2°C (63°F). During the nights in September, the temperature in Altendorf averages to a chilly 8.5°C (47.3°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Altendorf, during September, the rain falls for 16 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, in Altendorf, there are 175.8 rainfall days, and 900mm (35.43") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Altendorf.Daylight
In Altendorf, 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 19:36. On the last day of September, in Altendorf, sunrise is at 06:54 and sunset at 18:37 CEST.
Sunshine
In Altendorf, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Altendorf is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 in September translates into these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the average September temperature in Altendorf?
What is the average humidity in September in Altendorf?
How many days does it rain in September in Altendorf?
When it does not snow in Altendorf?
Does it snow in Altendorf in September?
How many hours of daylight does Altendorf have in September?
When are sunrise and sunset in September in Altendorf?
How long on average sun shines in September in Altendorf?
What is the UV index intensity in September in Altendorf?
Average temperature in September
Altendorf, Austria
- Average high temperature in September: 17.2°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).
Average pressure in September
Altendorf, Austria
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are May and June (1015.2mbar).
Average wind speed in September
Altendorf, Austria
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (10.1km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).
Average humidity in September
Altendorf, Austria
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Altendorf, Austria
- Average rainfall in September: 67mm
The wettest month (with the highest rainfall) is July (138mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in September
Altendorf, Austria
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in September
Altendorf, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (288mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Altendorf, Austria
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (17.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Altendorf, 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 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Altendorf, Austria
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is May (4.8 days).
Average UV index in September
Altendorf, Austria
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Altendorf, Austria
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Altendorf, Austria
- Average visibility in September: 9km
The months with the highest visibility are April, June, July, August and September (9km).
The months with the lowest visibility are January, February and November (7km).
Altendorf, Austria
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