September Weather in Bartow, FL

Typical weather conditions during September

Temperature

Average Temperature

80°F

Average High

88°F

Average Low

74°F

Precipitation & Humidity

Average Monthly Precipitation

13.49 inches

Rainy Days

27.0 days

Average Humidity

75%

Data Information

Data Years: 2020 - 2024

Last Updated: September 10, 2025

August October