The highest day temperature in September 2025 was 94°F. The lowest night temperature was 78°F. The average values for day and night temperatures during September were 92.4°F и 80.2°F respectivly.

The average sea surface temperature in September 2025 for Macapa was 89.4°F. The maximum and minimum values were 88.4°F and 90.4°F respectively.

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

Precipitation total in September for Macapa is 0.2 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 11.2 mph. It makes September one of the most windy months of the year for Macapa.

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 Macapa in September is 8.8 hours.