The highest day temperature in September 2023 was 84°F. The lowest night temperature was 81°F. The average values for day and night temperatures during September were 83.6°F и 83.2°F respectivly.

The average sea surface temperature in September 2023 for Silhouette was 86.0°F. The maximum and minimum values were 85.2°F and 86.6°F respectively.

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

Precipitation total in September for Silhouette is 3.8 in.

The average wind speed in September is 16.4 mph. It makes September one of the most windy months of the year for Silhouette.

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 Silhouette in September is 5.2 hours.