The highest day temperature in September 2023 was 89°F. The lowest night temperature was 78°F. The average values for day and night temperatures during September were 86.3°F и 80.0°F respectivly.

The average sea surface temperature in September 2023 for Tumaco was 85.7°F. The maximum and minimum values were 83.2°F and 87.2°F respectively.

Almost all days in September are gloomy. Sunny days should not be expected.

Precipitation total in September for Tumaco is 2.1 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 8.5 mph. It makes September the most windy month of the year for Tumaco.

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 Tumaco in September is 2.0 hours.