Weather in Puerto Natales: September
| Average day temperature: | 40.2°F | |
| Average night temperature: | 31.4°F | |
| Sea water temperature: | 41.7°F | |
| Number of sunny days: | 4 days | |
| Day length: | 10.8 - 12.7 hours | |
| Number of rainy days: | 5 days | |
| Precipitation totals: | 2.4 in. | |
| more information | ||
forecast
| Puerto Natales |
temperature
| Puerto Natales |
Air temperature in September, °F
The highest day temperature during September of 2025 was 50°F. At the same time the lowest night temperature was 26°F. Daily and nightly averages during September were 44.3°F and 34.8°F.
Sea water temperature in Puerto Natales in September, °F
The average sea water temperature in September of 2025 was 42.2°F. The highest and lowest sea temperatures during the month were 43.9°F and 40.6°F.
Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Puerto Natales in September is 2.4 in. Other months of the year show relatively similar values.
The average wind speed value in September is 6.8 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.2.
Best time for vacation in Puerto Natales
Puerto Natales on a weather map

12 mph

14 mph

15 mph

14 mph

6 mph

3 mph

4 mph

2 mph



























