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Argentina

South Argentina weather in September 2025

Argentina

South Argentina weather in September 2025

 

Day

14 °C

 

Night

2 °C

 

Sea

5 °C

 

Precipitation

48 mm

in month

 

Rainy days

5 days

in month

 

Daylight

12 hours

average

 

Sunshine

7 hours

average

 

Humidity

63 %

 

Day

14 °C

 

Night

2 °C

 

Sea

5 °C

 

Precipitation

48 mm

in month

 

Rainy days

5 days

in month

 

Daylight

12 hours

average

 

Sunshine

7 hours

average

 

Humidity

63 %

Overview: South Argentina
In South Argentina in September, the average air temperature ranges from 14 °C (57 °F) during the day to 2 °C (36 °F) at night. There are 5 days of rain on average, where the rainfall is 48 mm (1.89 in).

Weather charts for South Argentina

Weather overview
Weather overview
Weather overview
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Aerial view of port in San Carlos de Bariloche in sunny weather with few clouds
Aerial view of mountain range in San Carlos de Bariloche
Mountain range in San Carlos de Bariloche on a sunny day with some clouds

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Weather overview and FAQs

Weather overview

In South Argentina in September, the average air temperature ranges from 14 °C (57 °F) during the day to 2 °C (36 °F) at night. There are 5 days of rain on average, where the rainfall is 48 mm (1.89 in).

Are there good conditions to visit in September in South Argentina?

South Argentina can be visited in September - the weather will be moderate. A relatively low temperature of 14 °C (57 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 2 °C (36 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.

What is the temperature in South Argentina during the day in September?

The average daily temperature in South Argentina in September is 14 °C (57 °F). Don't forget a sweater and light or normal jacket, but also pack light clothing in case the temperatures are above average. The weather at this time can be somewhat changeable and a wide range of clothing can become handy.

How heavy is the precipitation in South Argentina in September?

In September in South Argentina, there is 48 mm (1.89 in) rainfall, which means on average 2 mm (0.06 in) rainfall per day.

What is the average number of rainy days in South Argentina in September?

In September in South Argentina, we can expect 5 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.3 days of the week, or in general - 18 % days.

What is the air temperature in September in South Argentina at night?

The average night temperature in South Argentina in September is 2 °C (36 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.

How long is the day (from dawn till dusk) in South Argentina in September?

The length of daylight in South Argentina in September is 12 hours.

Is there a dry season in September in South Argentina?

No, September is not a dry month in South Argentina, expect rain approximately 5 days in a month.

Is September part of the wet season in South Argentina?

No, there is no wet season in South Argentina in September - you can expect 5 days of rain during the month.

How many hours of sun to expect in South Argentina in September?

There is an average length of sunshine of 7 hours per day in September in South Argentina.

Is the weather in South Argentina warmer in September than in August?

Yes, September in South Argentina is warmer than August by 3 °C (37 °F).

What level of humidity is to expect in September in South Argentina?

Humidity in South Argentina in September is 63 %.

Is South Argentina rainier in September than in October?

Yes, South Argentina is a rainier September than in October.

How windy is it in September in South Argentina?

In South Argentina in September, there will be an average wind scale of 6.

Is the temperature rising or falling in the course of time in September in South Argentina?

Over the course of September in South Argentina, the temperatures are rising from 12 °C (54 °F) at the beginning of the month to 15 °C (60 °F) at the end of the month.

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