The highest day temperature in September 2025 was 94°F. The lowest night temperature was 75°F. The average values for day and night temperatures during September were 89.9°F и 79.2°F respectivly.

The average sea surface temperature in September 2025 for Miramar Beach was 86.9°F. The maximum and minimum values were 85.8°F and 88.2°F respectively.

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

Precipitation total in September for Miramar Beach is 1.7 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 8.1 mph. It makes September one of the most windless months of the year for Miramar Beach.

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 Miramar Beach in September is 7.9 hours.