Measurements:
°C
°F
San Cristobal Island
78°F
N 17 mph
Feels like: 82°F
Precip: 25%
World Resorts Ecuador San Cristobal Island Weather

7 Day Weather Forecast

09.08
tue
DAY
78°F
N 17 mph
precip
33%
NIGHT
78°F
NW 14 mph
precip
29%
09.09
wed
DAY
78°F
NW 14 mph
precip
21%
NIGHT
78°F
NW 11 mph
precip
25%
09.10
thu
DAY
78°F
N 12 mph
precip
25%
NIGHT
78°F
NW 14 mph
precip
29%
09.11
fri
DAY
76°F
NW 12 mph
precip
17%
NIGHT
78°F
NW 11 mph
precip
18%
09.12
sat
DAY
78°F
N 12 mph
precip
11%
NIGHT
78°F
N 11 mph
precip
28%
09.13
sun
DAY
78°F
N 16 mph
precip
13%
NIGHT
78°F
N 14 mph
precip
23%
09.14
mon
DAY
76°F
N 16 mph
precip
18%
NIGHT
78°F
N 14 mph
precip
24%

San Cristobal Island Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for San Cristobal Island was 20.4°F. The maximum and minimum values were 19.0°F and 21.9°F respectively.

San Cristobal Island on the Weather Map

Best Time to Visit San Cristobal Island
The most sunny months:
March 8 days
April 8 days
May 6 days
The most warm months:
March 84.2 °F
February 83.5 °F
April 82.2 °F
Warmest sea temperature:
March 84.5 °F
April 82.9 °F
February 82.8 °F
The most cold months:
September 72.2 °F
October 73.2 °F
August 73.6 °F
The most rainy months:
March 2 days
April 2 days
February 1 day
The most windy months:
August 12 mph
September 11 mph
July 11 mph