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
Weather in September
Temperature
During the shift to September, Rachau records a mild decrease in average high-temperature, moving from an agreeable 21°C (69.8°F) in August to a comfortable 16.1°C (61°F). Rachau throughout September, records an average low-temperature of 6°C (42.8°F).Humidity
In September, the average relative humidity in Rachau is 84%.Rainfall
In Rachau, in September, it is raining for 16.5 days, with typically 66mm (2.6") of accumulated precipitation. Throughout the year, in Rachau, there are 184.2 rainfall days, and 754mm (29.69") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Rachau.Daylight
In Rachau, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:20 and sunset at 19:40. On the last day of September, sunrise is at 06:58 and sunset at 18:41 CEST.
Sunshine
In Rachau, Austria, the average sunshine in September is 8.4h.UV index
In Rachau, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take precautions - Protection against sunburn is recommended. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the temperature in September in Rachau?
What is the average humidity in September in Rachau?
How much does it rain in Rachau in September?
When it does not snow in Rachau?
Does it snow in Rachau in September?
What is the average length of the day in September in Rachau?
When are sunrise and sunset in September in Rachau?
How long on average sun shines in September in Rachau?
What is the UV index intensity in September in Rachau?
Average temperature in September
Rachau, Austria
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 6°C
The month with the highest average low temperature is August (9.2°C).
The coldest months (with the lowest average low temperature) are January and February (-6.8°C).
Average pressure in September
Rachau, Austria
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is May (1015.4mbar).
Average wind speed in September
Rachau, Austria
- Average wind speed in September: 5.7km/h
The windiest months (with the highest average wind speed) are February and March (7km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).
Average humidity in September
Rachau, Austria
- Average humidity in September: 84%
The month with the highest relative humidity is February (91%).
The months with the lowest relative humidity are April, June, July and August (80%).
Average rainfall in September
Rachau, Austria
- Average rainfall in September: 66mm
The wettest months (with the highest rainfall) are June and July (110mm).
The driest months (with the least rainfall) are January and December (30mm).
Average rainfall days in September
Rachau, Austria
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Rachau, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (180mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rachau, Austria
- Average snowfall days in September: 0 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, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rachau, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Rachau, Austria
- Average sunshine days in September: 11 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is July (5.7 days).
Average UV index in September
Rachau, 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 and November (UV index 1).
Average cloud cover in September
Rachau, Austria
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Rachau, Austria
- Average visibility in September: 7km
The months with the highest visibility are April, June and July (8km).
The month with the lowest visibility is February (5km).
Rachau, Austria
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