September weather forecastRiegersburg, Austria

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Riegersburg, Austria, with temperature in the range of an average high of 21.3°C (70.3°F) and an average low of 11.1°C (52°F).

Temperature

The shift to September brings a decrease in the average high-temperature, falling from a moderately hot 26.8°C (80.2°F) in August to an agreeable 21.3°C (70.3°F). September brings an average low-temperature of 11.1°C (52°F) to Riegersburg.

Humidity

The average relative humidity in September is 73%.

Rainfall

In Riegersburg, in September, it is raining for 10.3 days, with typically 39mm (1.54") of accumulated precipitation. In Riegersburg, Austria, during the entire year, the rain falls for 142.1 days and collects up to 490mm (19.29") of precipitation.

Snowfall

May through September are months without snowfall in Riegersburg, Austria.

Daylight

In September, the average length of the day in Riegersburg, Austria, is 12h and 34min.
On the first day of September, sunrise is at 06:16 and sunset at 19:35. On the last day of the month, sunrise is at 06:54 and sunset at 18:37 CEST.

Sunshine

In Riegersburg, the average sunshine in September is 9.1h.

UV index

In Riegersburg, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 4 during September leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

September temperatures in Riegersburg, Austria, vary between a high-temperature of 21.3°C (70.3°F) and a low-temperature of 11.1°C (52°F).

In September, the average relative humidity in Riegersburg is 73%.

In Riegersburg, during September, the rain falls for 10.3 days and regularly aggregates up to 39mm (1.54") of precipitation.

May through September are months without snowfall in Riegersburg, Austria.

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

In September, the average day length is 12h and 34min.

In September, on the first day of the month, sunrise is at 06:16 and sunset at 19:35. On the last day of the month, in Riegersburg, sunrise is at 06:54 and sunset at 18:37 CEST.

In September, the average sunshine duration is 9.1h.

In Riegersburg, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Riegersburg, Austria

  • Average high temperature in September: 21.3°C

The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in September: 11.1°C

The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).

Average pressure in September
Riegersburg, Austria

  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is June (1015mbar).

Average wind speed in September
Riegersburg, Austria

  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is March (11.1km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).

Average humidity in September
Riegersburg, Austria

  • Average humidity in September: 73%

The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Riegersburg, Austria

  • Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is May (66mm).
The driest month (with the least rainfall) is January (26mm).

Average rainfall days in September
Riegersburg, Austria

  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in September
Riegersburg, Austria

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (87mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Riegersburg, 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
Riegersburg, Austria

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 9h and 6min

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 30min).

Average sunshine days in September
Riegersburg, Austria

  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in September
Riegersburg, 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, November and December (UV index 2).

Average cloud cover in September
Riegersburg, Austria

  • Average cloud cover in September: 34

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
Riegersburg, Austria

  • Average visibility in September: 9km

The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January, February and November (8km).