Measurements:
°C
°F
Puerto Montt
48°F
S 3 mph
Feels like: 46°F
Precip: 21%
World Resorts Chile Puerto Montt Weather

7 Day Weather Forecast

09.08
tue
DAY
44°F
S 5 mph
precip
29%
NIGHT
40°F
S 6 mph
precip
28%
09.09
wed
DAY
50°F
S 10 mph
precip
18%
NIGHT
46°F
S 4 mph
precip
49%
09.10
thu
DAY
44°F
N 14 mph
precip
83%
NIGHT
42°F
N 6 mph
precip
23%
09.11
fri
DAY
48°F
NW 8 mph
precip
13%
NIGHT
40°F
SW 3 mph
precip
7%
09.12
sat
DAY
42°F
NW 2 mph
precip
2%
NIGHT
46°F
N 7 mph
precip
10%
09.13
sun
DAY
48°F
N 5 mph
precip
2%
NIGHT
46°F
N 7 mph
precip
21%
09.14
mon
DAY
48°F
N 11 mph
precip
7%
NIGHT
46°F
N 6 mph
precip
19%

Puerto Montt Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Puerto Montt was 11.0°F. The maximum and minimum values were 10.5°F and 11.6°F respectively.

Puerto Montt on the Weather Map

Best Time to Visit Puerto Montt
The most sunny months:
January 16 days
February 14 days
March 13 days
The most warm months:
January 68.4 °F
February 67.7 °F
December 64.8 °F
Warmest sea temperature:
January 63.8 °F
February 63.8 °F
December 61.0 °F
The most cold months:
July 48.7 °F
August 49.7 °F
June 49.8 °F
The most rainy months:
August 12 days
June 11 days
July 10 days
The most windy months:
June 7 mph
August 7 mph
July 7 mph