September weather forecastSierndorf, Austria
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Sierndorf, Austria, with an average temperature varying between 10.7°C (51.3°F) and 20.2°C (68.4°F).Temperature
A shift in Sierndorf's weather is observed as August turns into September, with the average high temperature reducing from a warm 25.9°C (78.6°F) to an agreeable 20.2°C (68.4°F). Sierndorf records an average nighttime low-temperature of 10.7°C (51.3°F) throughout September.Humidity
The average relative humidity in September is 72%.Rainfall
In Sierndorf, in September, during 11.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Sierndorf, there are 158.6 rainfall days, and 457mm (17.99") of precipitation is accumulated.Snowfall
In Sierndorf, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 35min.On the first day of September in Sierndorf, sunrise is at 06:13 and sunset at 19:36. On the last day of the month, sunrise is at 06:53 and sunset at 18:36 CEST.
Sunshine
In September, the average sunshine in Sierndorf is 9.3h.UV index
In Sierndorf, Austria, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sierndorf, Austria
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Sierndorf, Austria
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are May and June (1015.3mbar).
Average wind speed in September
Sierndorf, Austria
- Average wind speed in September: 10.2km/h
The windiest months (with the highest average wind speed) are February and March (12.8km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Sierndorf, 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
Sierndorf, Austria
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is May (68mm).
The driest months (with the least rainfall) are April and November (26mm).
Average rainfall days in September
Sierndorf, Austria
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Sierndorf, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (114mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Sierndorf, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.5 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
Sierndorf, 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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Sierndorf, Austria
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (8.2 days).
Average UV index in September
Sierndorf, Austria
- Average UV index in September: 4
The month with the highest UV index is 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
Sierndorf, Austria
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Sierndorf, 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).
