September Weather in Deltona, FL

Typical weather conditions during September

Temperature

Average Temperature

80°F

Average High

87°F

Average Low

74°F

Precipitation & Humidity

Average Monthly Precipitation

14.52 inches

Rainy Days

26.8 days

Average Humidity

74%

Data Information

Data Years: 2020 - 2024

Last Updated: September 10, 2025

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