Isabela Island Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Isabela Island, Ecuador in September.

Planning a journey to Isabela Island, Ecuador this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Isabela Island in September

Isabela Island, Ecuador is a region in Ecuador. September in Isabela Island generally has warm temperatures, with low precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 24°C (75°F) and nighttime temperatures around 20°C (68°F) in Puerto Villamil. On average, September is the month with the lowest temperatures of the year in Puerto Villamil.

To learn more about the conditions in specific areas of Isabela Island, Ecuador, check out the map below.

Precipitation

September is a dry month with an average rainfall of around 16 mm (0.6 in) in Puerto Villamil.

Explore Isabela Island by month

Best Places to Visit in Isabela Island in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Isabela Island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Isabela Island

What is the weather like in September for the most popular destinonation in Isabela Island, Ecuador?

Puerto Villamil

In September Puerto Villamil generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 20°C (68°F) and low monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
20 mm (0.8 in)
16 mm (0.6 in)
15 mm (0.6 in)
Monthly rainy days
15 days
15 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Isabela Island, in Ecuador.

In our records: Ecuador September extremes

Notable September records observed across cities in Ecuador in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Ecuador was 5°C (41°F) in Urcuquí on September 14, 1996.

Isabela Island weather in September: frequently asked questions

What is the weather like in Isabela Island, Ecuador in September?

In September, Isabela Island, Ecuador generally has perfect weather conditions. Puerto Villamil sees daytime temperatures near 24°C (75°F), with nights cooling to roughly 20°C (68°F).

What is the average temperature in Isabela Island, Ecuador in September?

Puerto Villamil averages a daytime maximum of 24°C (75°F) in September, with overnight lows close to 20°C (68°F).

Does Isabela Island, Ecuador get a lot of rain in September?

Not particularly. Puerto Villamil averages just 16 mm (0.6 in) of rain in September, making it a mostly dry month for Isabela Island, Ecuador.

Is September a Good Time to Visit Isabela Island, Ecuador?

We consider September to be one of the best times to travel to Isabela Island, Ecuador. Typically, the climate in Puerto Villamil is perfect. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Isabela Island, Ecuador is in January, May, June, July, August, September, October, November and December with generally perfect weather in Puerto Villamil.

Interested in more climate information?

We have much more information about the climate in Isabela Island.

Weather and climate has detailed information for every country in the world. Are you going to Ecuador? Get detailed historical weather averages for many cities in Ecuador.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.