September weather forecastGreifenburg, Austria
September
Weather in September
September, the first month of the autumn in Greifenburg, is still a mild month, with temperature in the range of an average low of 5.4°C (41.7°F) and an average high of 15.7°C (60.3°F).Temperature
The start of September comes with a reduction in the average high-temperature, receding from an agreeable 20.8°C (69.4°F) in August to a mild 15.7°C (60.3°F). The average temperature in Greifenburg, Austria, drops to a cold 5.4°C (41.7°F) during the night in the month of September.Humidity
In Greifenburg, the average relative humidity in September is 83%.Rainfall
In September, the rain falls for 18.1 days. Throughout September, 97mm (3.82") of precipitation is accumulated. In Greifenburg, during the entire year, the rain falls for 207.2 days and collects up to 1204mm (47.4") of precipitation.Snowfall
In Greifenburg, Austria, snow does not fall in June through September.Daylight
In September, the average length of the day in Greifenburg is 12h and 33min.On the first day of September in Greifenburg, Austria, sunrise is at 06:27 and sunset at 19:46. On the last day of the month, sunrise is at 07:05 and sunset at 18:48 CEST.
Sunshine
In Greifenburg, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September in Greifenburg is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 3 in September leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Greifenburg, Austria
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 5.4°C
The month with the highest average low temperature is August (8.5°C).
The coldest months (with the lowest average low temperature) are January and February (-7°C).
Average pressure in September
Greifenburg, Austria
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is May (1015.3mbar).
Average wind speed in September
Greifenburg, Austria
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is February (7.8km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in September
Greifenburg, Austria
- Average humidity in September: 83%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Greifenburg, Austria
- Average rainfall in September: 97mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is January (52mm).
Average rainfall days in September
Greifenburg, Austria
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is May (25.5 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Greifenburg, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (162mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Greifenburg, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greifenburg, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 4h and 36min).
Average sunshine days in September
Greifenburg, Austria
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is December (16.5 days).
The month with the least sunshine days is July (4.2 days).
Average UV index in September
Greifenburg, Austria
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Greifenburg, Austria
- Average cloud cover in September: 42
The month with the most cloud cover is November (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Greifenburg, Austria
- Average visibility in September: 7km
The months with the highest visibility are January, April, May, June, July, August and December (8km).
The months with the lowest visibility are February, March, September, October and November (7km).





