September weather forecastGrafenegg, Austria
September
Weather in September
September, the first month of the autumn in Grafenegg, is still a refreshing month, with temperature in the range of an average high of 19.3°C (66.7°F) and an average low of 9.5°C (49.1°F).Temperature
September's onset corresponds with a shift in the average high-temperature, moving from a warm 25°C (77°F) in August to a comfortable 19.3°C (66.7°F). In the month of September, Grafenegg experiences an average low-temperature of 9.5°C (49.1°F).Humidity
The average relative humidity in September in Grafenegg is 76%.Rainfall
In Grafenegg, Austria, during September, the rain falls for 12.8 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, in Grafenegg, there are 169.5 rainfall days, and 557mm (21.93") of precipitation is accumulated.Snowfall
In Grafenegg, Austria, snow does not fall in May through September.Daylight
The average length of the day in September in Grafenegg, Austria, is 12h and 35min.On the first day of September, sunrise is at 06:15 and sunset at 19:38. On the last day of the month, sunrise is at 06:55 and sunset at 18:38 CEST.
Sunshine
In September, the average sunshine is 9.1h.UV index
The average daily maximum UV index in September in Grafenegg is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grafenegg, Austria
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Grafenegg, Austria
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The months with the lowest atmospheric pressure are May and June (1015.5mbar).
Average wind speed in September
Grafenegg, Austria
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is March (11.3km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Grafenegg, Austria
- Average humidity in September: 76%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in September
Grafenegg, Austria
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is November (20mm).
Average rainfall days in September
Grafenegg, Austria
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (21.4 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in September
Grafenegg, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (102mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grafenegg, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grafenegg, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 6min).
Average sunshine days in September
Grafenegg, Austria
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in September
Grafenegg, Austria
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Grafenegg, Austria
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Grafenegg, Austria
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).





