Measurements:
°C
°F
Isabela Island
80°F
NW 11 mph
Feels like: 84°F
Precip: 8%
World Resorts Ecuador Isabela Island Weather September Weather in Isabela Island

Isabela Island Weather: September

Average Day Temperature: 77.7°F
Average Night Temperature: 71.0°F
Sea Water Temperature: 72.6°F
Number of Sunny Days: 1 day
Sunshine Hours: 12.1 - 12.1 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.0 in

Air Temperature in September, °F

Select Year: 2026 2025 2024

The highest day temperature in September 2026 was 83°F. The lowest night temperature was 75°F. The average values for day and night temperatures during September were 80.5°F и 76.9°F respectivly.

Isabela Island Water Sea Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Isabela Island was 82.6°F. The maximum and minimum values were 80.6°F and 84.2°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in September, in

Precipitation total in September for Isabela Island is 0.0 in.

Wind Speed in September, mph

The average wind speed in September is 9.9 mph. It makes September one of the most windy months of the year for Isabela Island.

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 Isabela Island in September is 5.0 hours.

Best Time to Visit Isabela Island
The most sunny months:
November 9 days
May 8 days
March 6 days
The most warm months:
March 85.3 °F
February 85.0 °F
April 84.8 °F
Warmest sea temperature:
March 83.2 °F
April 81.4 °F
February 81.3 °F
The most cold months:
September 77.7 °F
October 78.0 °F
August 78.5 °F
The most rainy months:
March 5 days
April 3 days
February 2 days
The most windy months:
July 10 mph
August 10 mph
September 9 mph

Isabela Island on the Weather Map

24 Hours Weather Forecast
Isabela Island
Local time: 17:18
28 sep, monday
1800 80°F
NW
11 mph
2100 78°F
NW
8 mph
29 sep, tuesday
0000 78°F
NW
7 mph
0300 78°F
NW
6 mph
0600 78°F
NW
6 mph
0900 80°F
NW
8 mph
1200 82°F
NW
9 mph
1500 82°F
N
11 mph