September weather forecastAmstetten, Austria
September
Weather in September
September marks the commencement of autumn in Amstetten. The months' high temperatures hover around a pleasant 18.2°C (64.8°F). However, the lows can often dip to around 7.5°C (45.5°F), indicative of the changing season. The advent of fall sees fewer hours of sunshine, but enough to enjoy the rich, fall colors that adorn the city. Despite being a harbinger of the colder months, September presents relatively dry weather conditions, before the rainier months set in.Temperature
In Amstetten, the average high-temperature in September decreases from a moderately hot 23.7°C (74.7°F) in August to a refreshing 18.2°C (64.8°F). During the month of September, Amstetten's nighttime temperature lowers to an average of 7.5°C (45.5°F).Humidity
In September, the average relative humidity in Amstetten is 80%.Rainfall
In Amstetten, in September, during 14.3 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Amstetten, during the entire year, the rain falls for 162.3 days and collects up to 747mm (29.41") of precipitation.Snowfall
In Amstetten, snow does not fall in June through September.Daylight
In Amstetten, the average length of the day in September is 12h and 35min.On the first day of September in Amstetten, sunrise is at 06:19 and sunset at 19:41. On the last day of the month, sunrise is at 06:59 and sunset at 18:41 CEST.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September in Amstetten is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Amstetten, Austria
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is August (11.1°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in September
Amstetten, Austria
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is May (1015.5mbar).
Average wind speed in September
Amstetten, Austria
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Amstetten, Austria
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in September
Amstetten, Austria
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is May (101mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in September
Amstetten, Austria
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (22.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Amstetten, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (403mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Amstetten, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Amstetten, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Amstetten, Austria
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (6.4 days).
Average UV index in September
Amstetten, Austria
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Amstetten, Austria
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Amstetten, Austria
- Average visibility in September: 8km
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are January and February (6km).
