September weather forecastRohrau, Austria

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Rohrau, Austria, with temperature in the range of an average low of 12.4°C (54.3°F) and an average high of 21.6°C (70.9°F).

Temperature

The onset of September brings a small change in high-temperatures, falling from a moderately hot 27.4°C (81.3°F) in August to a pleasant 21.6°C (70.9°F). Throughout the nights in September, Rohrau experiences an average low-temperature of 12.4°C (54.3°F).

Humidity

The average relative humidity in September is 67%.

Rainfall

In Rohrau, during September, the rain falls for 10.2 days and regularly aggregates up to 29mm (1.14") of precipitation. In Rohrau, during the entire year, the rain falls for 133.9 days and collects up to 394mm (15.51") of precipitation.

Snowfall

In Rohrau, snow does not fall in May through September.

Daylight

In Rohrau, the average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 06:11 and sunset at 19:33. On the last day of September, sunrise is at 06:51 and sunset at 18:33 CEST.

Sunshine

In Rohrau, the average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

The average high-temperature, in September, in Rohrau, is 21.6°C (70.9°F), while the average low-temperature is 12.4°C (54.3°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 29°C (84.2°F).

In Rohrau, Austria, the average relative humidity in September is 67%.

In Rohrau, Austria, in September, during 10.2 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

In Rohrau, Austria, snow does not fall in May through September.

In Rohrau, Austria, in September, it doesn't snow. In October, it regularly snows.

In Rohrau, the average day length in September is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:11 and sunset at 19:33. On the last day of the month, sunrise is at 06:51 and sunset at 18:33 CEST.

In Rohrau, Austria, the average sunshine duration in September is 9.4h.

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rohrau, Austria

  • Average high temperature in September: 21.6°C

The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in September: 12.4°C

The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).

Average pressure in September
Rohrau, Austria

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is June (1014.9mbar).

Average wind speed in September
Rohrau, Austria

  • Average wind speed in September: 12.2km/h

The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

Average humidity in September
Rohrau, Austria

  • Average humidity in September: 67%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (61%).

Average rainfall in September
Rohrau, Austria

  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September
Rohrau, Austria

  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (9.1 days).

Average snowfall in September
Rohrau, Austria

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Rohrau, Austria

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.2 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
Rohrau, 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 24min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Rohrau, Austria

  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is August (20 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in September
Rohrau, Austria

  • Average UV index in September: 4

The months with the highest UV index are June and 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
Rohrau, Austria

  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Rohrau, Austria

  • Average visibility in September: 10km

The months with the highest visibility are March, April, June, July, August and September (10km).
The months with the lowest visibility are January, February, May, October, November and December (9km).