Measurements:
°C
°F
San Carlos de Bariloche
34°F
E 4 mph
Feels like: 30°F
Precip: 0%
World Resorts Argentina San Carlos de Bariloche Weather September Weather in San Carlos de Bariloche

San Carlos de Bariloche Weather: September

Average Day Temperature: 42.8°F
Average Night Temperature: 31.0°F
Sea Water Temperature: 44.9°F
Number of Sunny Days: 13 days
Sunshine Hours: 11.2 - 12.5 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.5 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 53°F. The lowest night temperature was 22°F. The average values for day and night temperatures during September were 41.6°F и 34.0°F respectivly.

San Carlos de Bariloche Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for San Carlos de Bariloche was 46.1°F. The maximum and minimum values were 45.4°F and 47.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for San Carlos de Bariloche is 1.5 in.

Wind Speed in September, mph

The average wind speed in September is 8.3 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Carlos de Bariloche in September is 7.6 hours.

Best Time to Visit San Carlos de Bariloche
The most sunny months:
January 27 days
December 24 days
February 22 days
The most warm months:
January 70.1 °F
February 68.1 °F
December 65.0 °F
Warmest sea temperature:
February 60.0 °F
March 58.7 °F
January 57.2 °F
The most cold months:
July 33.8 °F
June 35.7 °F
August 37.4 °F
The most rainy months:
June 5 days
August 5 days
July 4 days
The most windy months:
December 10 mph
November 9 mph
January 9 mph

San Carlos de Bariloche on the Weather Map

24 Hours Weather Forecast
San Carlos de Bariloche
Local time: 05:42
05 dec, friday
0600 34°F
E
4 mph
0900 46°F
E
6 mph
1200 60°F
E
10 mph
1500 66°F
E
11 mph
1800 64°F
E
13 mph
2100 50°F
E
10 mph
06 dec, saturday
0000 42°F
E
6 mph
0300 38°F
E
4 mph