September Weather in New Smyrna Beach, FL

Typical weather conditions during September

Temperature

Average Temperature

80°F

Average High

85°F

Average Low

76°F

Precipitation & Humidity

Average Monthly Precipitation

14.83 inches

Rainy Days

26.2 days

Average Humidity

76%

Data Information

Data Years: 2020 - 2024

Last Updated: September 10, 2025