September weather forecast
San Martín de los Andes, Argentina

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Weather in September

September marks the start of spring in San Martín de los Andes, waving goodbye to the snowy landscapes of winter. The temperature profile shows a clear uplift from the prior month, and a corresponding decrease in snow days becomes evident. Even with falling snowfall numbers, rainfall shows an uptick from August, registering a total of 61mm (2.4"). As the city shakes off its winter garments, Spring breathes new life into the landscapes, laying the groundwork for the upcoming summer bonanza.

Temperature

The commencement of September notes an average high-temperature of a frosty 6.8°C (44.2°F), exhibiting little difference from the previous month. During September nights, San Martín de los Andes records an average temperature of -1.1°C (30°F).

Humidity

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

Rainfall

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

Snowfall

Months with snowfall in San Martín de los Andes are March through November. In September, it is snowing for 8.2 days. Throughout September, 156mm (6.14") of snow is accumulated. Throughout the year, there are 57.4 snowfall days, and 2150mm (84.65") of snow is accumulated.

Daylight

In September, the average length of the day in San Martín de los Andes is 11h and 51min.
On the first day of September in San Martín de los Andes, sunrise is at 08:07 and sunset at 19:22. On the last day of the month, sunrise is at 07:19 and sunset at 19:50 -03.

Sunshine

The average sunshine in September is 7.7h.

UV index

The months with the lowest UV index are July and September, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, an average UV index of 1 transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

Is September cold in San Martín de los Andes?

The average high-temperature, in September, in San Martín de los Andes, 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 September, the average relative humidity in San Martín de los Andes is 84%.

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

In September, the rain falls for 14.6 days. Throughout September, 61mm (2.4") of precipitation is accumulated.

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

In San Martín de los Andes, Argentina, in September, snow falls for 8.2 days, with typically accumulated 156mm (6.14") of snow.

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

In September, the average day length in San Martín de los Andes, Argentina, is 11h and 51min.

What time are sunrise and sunset in September in San Martín de los Andes?

In September, on the first day of the month, sunrise is at 08:07 and sunset at 19:22. On the last day of the month, sunrise is at 07:19 and sunset at 19:50 -03.

How long on average sun shines in September in San Martín de los Andes?

In September, the average sunshine duration in San Martín de los Andes is 7.7h.

What are the months with 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.

What is the UV index intensity in September in San Martín de los Andes?

In September, the average daily maximum UV index in San Martín de los Andes is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
San Martín de los Andes, Argentina

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

The 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).

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Average pressure in September
San Martín de los Andes, Argentina

Average pressure in September - San Martín de los Andes, Argentina
  • Average pressure in September: 1019.5mbar

The month with the highest atmospheric pressure is September (1019.5mbar).
The months with the lowest atmospheric pressure are January, February and December (1014.2mbar).

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Average wind speed in September
San Martín de los Andes, Argentina

Average wind speed in September - San Martín de los Andes, Argentina
  • Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest months (with the lowest average wind speed) are April, May and July (11.5km/h).

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Average humidity in September
San Martín de los Andes, Argentina

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

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

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Average rainfall in September
San Martín de los Andes, Argentina

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).
The driest months (with the least rainfall) are January and February (22mm).

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Average rainfall days in September
San Martín de los Andes, Argentina

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 least rainy days is January (8.8 days).

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Average snowfall in September
San Martín de los Andes, Argentina

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

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

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Average snowfall days in September
San Martín de los Andes, Argentina

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 least snowfall days is February (0 days).

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Average daylight in September /
Average sunshine in September
San Martín de los Andes, Argentina

Average daylight in September / Average sunshine in September - San Martín de los Andes, Argentina
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 15h and 0min).
The month with the shortest days is June (Average daylight: 9h and 24min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is January (Average sunshine: 11h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 0min).

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Average sunshine days in September
San Martín de los Andes, Argentina

Average sunshine days in September - San Martín de los Andes, Argentina
  • Average sunshine days in September: 9.7 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (8.5 days).

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Average UV index in September
San Martín de los Andes, Argentina

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

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

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Average cloud cover in September
San Martín de los Andes, Argentina

Average cloud cover in September - San Martín de los Andes, Argentina
  • Average cloud cover in September: 44

The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 22).

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Average visibility in September
San Martín de los Andes, Argentina

Average visibility in September - San Martín de los Andes, Argentina
  • Average visibility in September: 8km

The month with the highest visibility is February (10km).
The month with the lowest visibility is July (7km).

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San Martín de los Andes, Argentina

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