San Martín de los Andes Weather in September
What's the weather like in San Martín de los Andes (Neuquén) in September 2025?
The climate in San Martín de los Andes during September can be summarized as cool and damp.
September is in the spring in San Martín de los Andes and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 11°C (51°F), whilst at night -2°C (29°F) is normal.
| Daytime temperature | 10.5°C 50.8°F |
|---|---|
| Nightly temperature | -1.5°C 29.4°F |
| Average temperature | 4.5°C 40.1°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 120 mm 4.7 ins |
| Rainy days | 9 days |
| Sea temperature | 11.1°C 52°F |
| Humidity | 70% |
| Windspeed | 16.2kph 10 mph |
On average September is the 5th wettest month of the year in San Martín de los Andes with around 120mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
September temperatures in San Martín de los Andes
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Martín de los Andes in September 2025.
Other monthly averages
Best places to visit in September
San Martín de los Andes weather stats
| Hottest month: | January | 20.7°C 69.3°F |
|---|---|---|
| Driest month: | January | 38mm 1.5ins |
| Sunniest month: | January | 11.7hrs |
| Coldest month: | July | 6°C 42.8°F |
| Wettest month: | June | 268mm 10.6ins |
© Google