The highest day temperature in September 2023 was 100°F. The lowest night temperature was 82°F. The average values for day and night temperatures during September were 97.8°F и 85.7°F respectivly.

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

Precipitation total in September for Matamoros is 0.9 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 10.0 mph. It makes September the most windless month of the year for Matamoros.

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 Matamoros in September is 7.8 hours.