Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's comfortable 17.9°C (64.2°F) to a moderate 13.4°C (56.1°F). Niedernsill registers a consistent average low-temperature of 4.1°C (39.4°F) during September.Humidity
In Niedernsill, the average relative humidity in September is 86%.Rainfall
In September, the rain falls for 16.2 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 181 rainfall days, and 614mm (24.17") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:29 and sunset at 19:49. On the last day of September, sunrise is at 07:07 and sunset at 18:50 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 3 in September transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Niedernsill in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Niedernsill have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Niedernsill have in September?
How high is the UV index in September?
Average temperature in September
Niedernsill, Austria
- Average high temperature in September: 13.4°C
The warmest month (with the highest average high temperature) is August (17.9°C).
The month with the lowest average high temperature is February (-2.1°C).
- Average low temperature in September: 4.1°C
The months with the highest average low temperature are July and August (7.3°C).
The coldest month (with the lowest average low temperature) is February (-10.3°C).
Average pressure in September
Niedernsill, Austria
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The months with the lowest atmospheric pressure are April and May (1015.6mbar).
Average wind speed in September
Niedernsill, Austria
- Average wind speed in September: 5.7km/h
The windiest month (with the highest average wind speed) is February (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).
Average humidity in September
Niedernsill, Austria
- Average humidity in September: 86%
The months with the highest relative humidity are February and March (91%).
The months with the lowest relative humidity are July and August (83%).
Average rainfall in September
Niedernsill, Austria
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is July (73mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in September
Niedernsill, Austria
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Niedernsill, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (248mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Niedernsill, Austria
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Niedernsill, Austria
- Average daylight in September: 12h and 4min
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 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Niedernsill, Austria
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in September
Niedernsill, Austria
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and November (UV index 1).
Average cloud cover in September
Niedernsill, Austria
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Niedernsill, Austria
- Average visibility in September: 7km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (7km).
The months with the lowest visibility are January, February and March (6km).
