The highest day temperature in September 2025 was 83°F. The lowest night temperature was 72°F. The average values for day and night temperatures during September were 80.9°F и 73.3°F respectivly.

The average sea surface temperature in September 2025 for Manta was 79.4°F. The maximum and minimum values were 78.6°F and 80.6°F respectively.

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

Precipitation total in September for Manta is 0.0 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 9.7 mph. It makes September the most windy month of the year for Manta.

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 Manta in September is 4.1 hours.