September weather forecastStift Zwettl, Austria
September weather for Stift Zwettl, Austria: The first month of the autumn, September, is still a refreshing month in Stift Zwettl, Austria, with an average temperature ranging between max 17.9°C (64.2°F) and min 8.5°C (47.3°F). Stift Zwettl in September demonstrates a small temperature transition, adjusting from an average high of a moderately hot 23.3°C (73.9°F) in August to a refreshing 17.9°C (64.2°F).
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Stift Zwettl, Austria, with an average temperature ranging between max 17.9°C (64.2°F) and min 8.5°C (47.3°F).Temperature
Stift Zwettl in September demonstrates a small temperature transition, adjusting from an average high of a moderately hot 23.3°C (73.9°F) in August to a refreshing 17.9°C (64.2°F). Stift Zwettl experiences a steady low-temperature of 8.5°C (47.3°F) throughout September.Humidity
The average relative humidity in September in Stift Zwettl is 80%.Rainfall
In Stift Zwettl, in September, during 15 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Stift Zwettl, Austria, during the entire year, the rain falls for 180 days and collects up to 762mm (30") of precipitation.Snowfall
June through September are months without snowfall in Stift Zwettl.Daylight
In September, the average length of the day in Stift Zwettl is 12h and 35min.On the first day of the month, sunrise is at 06:17 and sunset at 19:41. On the last day of September, sunrise is at 06:57 and sunset at 18:40 CEST.
Sunshine
In Stift Zwettl, Austria, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Stift Zwettl is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Act with care - The need to guard against sun damage is communicated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stift Zwettl, Austria
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in September
Stift Zwettl, Austria
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is May (1015.5mbar).
Average wind speed in September
Stift Zwettl, Austria
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is March (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Stift Zwettl, Austria
- Average humidity in September: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Stift Zwettl, Austria
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is June (124mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Stift Zwettl, Austria
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is May (23.4 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Stift Zwettl, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (224mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stift Zwettl, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stift Zwettl, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in September
Stift Zwettl, Austria
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (5.3 days).
Average UV index in September
Stift Zwettl, Austria
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Stift Zwettl, Austria
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Stift Zwettl, Austria
- Average visibility in September: 9km
The months with the highest visibility are April, June, July, August and September (9km).
The months with the lowest visibility are January, February and November (7km).





