September weather forecastErlaa, Austria
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Erlaa, Austria, with an average temperature varying between 20°C (68°F) and 11°C (51.8°F).Temperature
The onset of September results in a decrease in the average high-temperature, receding from a warm 25.8°C (78.4°F) in August to an agreeable 20°C (68°F). Throughout September, Erlaa anticipates an average low-temperature of 11°C (51.8°F).Humidity
The average relative humidity in September is 72%.Rainfall
In Erlaa, during September, the rain falls for 12 days and regularly aggregates up to 49mm (1.93") of precipitation. In Erlaa, during the entire year, the rain falls for 148.6 days and collects up to 475mm (18.7") of precipitation.Snowfall
In Erlaa, Austria, snow does not fall in May through September.Daylight
In Erlaa, the average length of the day in September is 12h and 35min.On the first day of September in Erlaa, sunrise is at 06:14 and sunset at 19:37. On the last day of the month, sunrise is at 06:54 and sunset at 18:37 CEST.
Sunshine
In Erlaa, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in Erlaa is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Be vigilant - Preventing sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Erlaa, Austria
- Average high temperature in September: 20°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in September
Erlaa, Austria
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The months with the lowest atmospheric pressure are May and June (1015.3mbar).
Average wind speed in September
Erlaa, Austria
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is March (12.8km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Erlaa, Austria
- Average humidity in September: 72%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Erlaa, Austria
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is May (68mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Erlaa, Austria
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Erlaa, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (135mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Erlaa, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Erlaa, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Erlaa, Austria
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (8.7 days).
Average UV index in September
Erlaa, Austria
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Erlaa, Austria
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Erlaa, Austria
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January and February (8km).
