September weather forecastRattersdorf, Austria
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Rattersdorf, Austria, with an average temperature fluctuating between 11.5°C (52.7°F) and 21.1°C (70°F).Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from a warm 26.7°C (80.1°F) in August to an agreeable 21.1°C (70°F). The average temperature in Rattersdorf drops to a fresh 11.5°C (52.7°F) during the night in the month of September.Humidity
In Rattersdorf, the average relative humidity in September is 70%.Rainfall
In Rattersdorf, in September, during 11.6 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 146.2 rainfall days, and 445mm (17.52") of precipitation is accumulated.Snowfall
In Rattersdorf, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 06:13 and sunset at 19:34. On the last day of the month, sunrise is at 06:52 and sunset at 18:35 CEST.
Sunshine
In September, the average sunshine is 9.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rattersdorf, Austria
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is August (26.7°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in September
Rattersdorf, Austria
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is June (1014.9mbar).
Average wind speed in September
Rattersdorf, Austria
- Average wind speed in September: 10km/h
The windiest months (with the highest average wind speed) are February and March (13.3km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Rattersdorf, Austria
- Average humidity in September: 70%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Rattersdorf, Austria
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Rattersdorf, Austria
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is August (10.1 days).
Average snowfall in September
Rattersdorf, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (76mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Rattersdorf, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Rattersdorf, Austria
- Average daylight in September: 12h and 36min
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: 9h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Rattersdorf, Austria
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in September
Rattersdorf, Austria
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Rattersdorf, Austria
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Rattersdorf, Austria
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The month with the lowest visibility is January (8km).
