The highest day temperature in September 2025 was 91°F. The lowest night temperature was 63°F. The average values for day and night temperatures during September were 78.5°F и 72.1°F respectivly.

The average sea surface temperature in September 2025 for Corolla was 77.4°F. The maximum and minimum values were 72.6°F and 80.2°F respectively.

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in September for Corolla is 1.0 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 12.0 mph.

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 Corolla in September is 6.7 hours.