San Martín de los Andes
Argentina
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
San Martín de los Andes, Argentina

September, the first month of the spring, in San Martín de los Andes, is a frosty month, with temperature in the range of an average low of -1.1°C (30°F) and an average high of 6.8°C (44.2°F).

Temperature

In September, the average high-temperature is practically the same as in August - a chilly 6.8°C (44.2°F). The average low-temperature, in September, is -1.1°C (30°F).

Humidity

In September, the average relative humidity in San Martín de los Andes is 84%.

Rainfall

In September, in San Martín de los Andes, the rain falls for 14.6 days. Throughout September, 61mm (2.4") of precipitation is accumulated. Throughout the year, there are 161.6 rainfall days, and 856mm (33.7") of precipitation is accumulated.

Snowfall

March through November are months with snowfall in San Martín de los Andes. In San Martín de los Andes, in September, snow falls for 8.2 days, with typically accumulated 156mm (6.14") of snow. In San Martín de los Andes, during the entire year, snow falls for 57.4 days, and aggregates up to 2150mm (84.65") of snow.

Daylight

The average length of the day in September is 11.9h.

Sunshine

The average sunshine in September is 7.7h.

UV index

July and September, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 1 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in September in San Martín de los Andes?

The average high-temperature, in September, is 6.8°C (44.2°F), while the average low-temperature is -1.1°C (30°F).

What is the average humidity in September in San Martín de los Andes?

In San Martín de los Andes, Argentina, the average relative humidity in September is 84%.

How many days does it rain in September in San Martín de los Andes?

In San Martín de los Andes, during September, the rain falls for 14.6 days and regularly aggregates up to 61mm (2.4") of precipitation.

How many days does it snow in September in San Martín de los Andes?

In San Martín de los Andes, Argentina, during September, snow falls for 8.2 days and regularly aggregates up to 156mm (6.14") of snow.

How many hours of daylight does San Martín de los Andes have in September?

In September, the average length of the day in San Martín de los Andes, Argentina, is 11.9h.

How many hours of sunshine does San Martín de los Andes have in September?

The average sunshine in September is 7.7h.

When is the lowest UV index in San Martín de los Andes?

July and September, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in September in San Martín de los Andes?

In September, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - San Martín de los Andes, Argentina
  • Average high temperature in September: 6.8°C

The warmest month (with the highest average high temperature) is January (20.5°C).
The month with the lowest average high temperature is July (2.8°C).

  • Average low temperature in September: -1.1°C

Months with the highest average low temperature are January and February (5.8°C).
The coldest month (with the lowest average low temperature) is July (-3°C).

Average humidity in September - San Martín de los Andes, Argentina
  • Average humidity in September: 84%

Months with the highest relative humidity are July and August (89%).
The month with the lowest relative humidity is January (62%).

Average rainfall in September - San Martín de los Andes, Argentina
  • Average rainfall in September: 61mm

The wettest month (with the highest rainfall) is July (168mm).
Driest months (with the lowest rainfall) are January and February (22mm).

Average rainfall days in September - San Martín de los Andes, Argentina
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is October (17.5 days).
The month with the lowest number of rainy days is January (8.8 days).

Average snowfall in September - San Martín de los Andes, Argentina
  • Average snowfall in September: 156mm

The month with the highest snowfall is July (776mm).
Months with the lowest snowfall are January, February and December (0mm).

Average snowfall days in September - San Martín de los Andes, Argentina
  • Average snowfall days in September: 8.2 days

The month with the highest number of snowfall days is July (14.5 days).
The month with the lowest number of snowfall days is February (0 days).

Average daylight in September / Average sunshine in September - San Martín de los Andes, Argentina
  • Average daylight in September: 11.9h

The month with the longest days is December (Average daylight: 15h).
The month with shortest days is June (Average daylight: 9.4h).

  • Average sunshine in September: 7.7h

The month with most sunshine is January (Average sunshine: 11.4h).
The month with least sunshine is June (Average sunshine: 5h).

Average UV index in September - San Martín de los Andes, Argentina
  • Average UV index in September: 1

Months with the highest UV index are January and February (UV index 4).
Months with the lowest UV index are July and September (UV index 1).