September weather forecast
Sankt Martin im Sulmtal, Austria

September

Weather in September

September, the first month of the autumn in Sankt Martin im Sulmtal, is still a refreshing month, with an average temperature varying between 19.9°C (67.8°F) and 9.4°C (48.9°F).

Temperature

Start of September brings a shift in the average high-temperature, falling from August's warm 25.7°C (78.3°F) to a refreshing 19.9°C (67.8°F). Sankt Martin im Sulmtal, during September, witnesses an average low-temperature of 9.4°C (48.9°F).

Humidity

The average relative humidity in September in Sankt Martin im Sulmtal is 77%.

Rainfall

In Sankt Martin im Sulmtal, during September, the rain falls for 12.9 days and regularly aggregates up to 48mm (1.89") of precipitation. In Sankt Martin im Sulmtal, during the entire year, the rain falls for 160.7 days and collects up to 559mm (22.01") of precipitation.

Snowfall

In Sankt Martin im Sulmtal, snow does not fall in May through September.

Daylight

In Sankt Martin im Sulmtal, the average length of the day in September is 12h and 33min.
On the first day of September in Sankt Martin im Sulmtal, sunrise is at 06:19 and sunset at 19:38. On the last day of the month, sunrise is at 06:56 and sunset at 18:40 CEST.

Sunshine

In Sankt Martin im Sulmtal, the average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

What are September temperatures in Sankt Martin im Sulmtal?
In September, the average high-temperature and low-temperature are 19.9°C (67.8°F) and 9.4°C (48.9°F) respectively.
What is the average humidity in September in Sankt Martin im Sulmtal?
The average relative humidity in September is 77%.
How many days does it rain in September in Sankt Martin im Sulmtal?
In September, in Sankt Martin im Sulmtal, Austria, the rain falls for 12.9 days. Throughout September, 48mm (1.89") of precipitation is accumulated.
When it does not snow in Sankt Martin im Sulmtal?
May through September are months without snowfall in Sankt Martin im Sulmtal, Austria.
Does it snow in Sankt Martin im Sulmtal in September?
In Sankt Martin im Sulmtal, Austria, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Sankt Martin im Sulmtal have in September?
In Sankt Martin im Sulmtal, Austria, the average day length in September is 12h and 33min.
When is the sunrise / sunset in September in Sankt Martin im Sulmtal?
In September, on the first day of the month, sunrise is at 06:19 and sunset at 19:38. On the last day of the month, in Sankt Martin im Sulmtal, sunrise is at 06:56 and sunset at 18:40 CEST.
How many hours of sunshine does Sankt Martin im Sulmtal have in September?
In Sankt Martin im Sulmtal, Austria, the average sunshine duration in September is 9.3h.
What is the UV index intensity in September in Sankt Martin im Sulmtal?
In Sankt Martin im Sulmtal, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Sankt Martin im Sulmtal, Austria
  • Average high temperature in September: 19.9°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

Average pressure in September
Sankt Martin im Sulmtal, Austria
  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is May (1015.2mbar).

Average wind speed in September
Sankt Martin im Sulmtal, Austria
  • Average wind speed in September: 5.7km/h

The windiest months (with the highest average wind speed) are April and May (7.1km/h).
The calmest month (with the lowest average wind speed) is November (5.3km/h).

Average humidity in September
Sankt Martin im Sulmtal, Austria
  • Average humidity in September: 77%

The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Sankt Martin im Sulmtal, Austria
  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is July (85mm).
The driest month (with the least rainfall) is January (18mm).

Average rainfall days in September
Sankt Martin im Sulmtal, Austria
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in September
Sankt Martin im Sulmtal, Austria
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (89mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Sankt Martin im Sulmtal, Austria
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.8 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
Sankt Martin im Sulmtal, Austria
  • Average daylight in September: 12h and 4min

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 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Sankt Martin im Sulmtal, Austria
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is May (6.7 days).

Average UV index in September
Sankt Martin im Sulmtal, 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, October, November and December (UV index 2).

Average cloud cover in September
Sankt Martin im Sulmtal, Austria
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Sankt Martin im Sulmtal, Austria
  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July, August and December (9km).
The months with the lowest visibility are January, February, September, October and November (8km).

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