September Weather in St. Cloud, FL

Typical weather conditions during September

Temperature

Average Temperature

79°F

Average High

87°F

Average Low

74°F

Precipitation & Humidity

Average Monthly Precipitation

15.1 inches

Rainy Days

27.2 days

Average Humidity

77%

Data Information

Data Years: 2020 - 2024

Last Updated: September 10, 2025