September Weather in Franklin, United States

Last updated: June 24, 2025

In September, the average temperature in Franklin, United States is a warm 27°C (81°F). Expect a range between a comfortable 15°C (60°F) and a sweltering 35°C (96°F). Be prepared for some rainfall, as 141 mm (5.6 in) of precipitation typically falls over 16 days. With an average humidity of 79%, it's a perfect time to enjoy the subtropical climate!

September Temperature in Franklin

In September in Franklin, the average temperature is 27°C (81°F). Maximums can reach 35°C (96°F) and minimums can drop as low as 15°C (60°F). This pleasant climate makes Franklin an ideal destination for travelers seeking warmth and comfort.

September Weather in Franklin: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Franklin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Franklin, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (60°F).

Data source: Temperature data for Franklin generated using information from the Copernicus Climate Change Service.

September Precipitation in Franklin

In Franklin in September, the precipitation amount is 141 mm (5.6 in) over the course of 16 days.

September Precipitation Trends in Franklin

The chart displays monthly precipitation patterns in Franklin, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Franklin, September typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Franklin

In Franklin in September, humidity is 79%. With an average temperature of 27°C (81°F), this humidity feels like a warm and sticky embrace, making travel both challenging and invigorating as the air clings to your skin, urging you to seek shade or a refreshing drink.

September Average Humidity in Franklin

This chart illustrates the average monthly humidity levels in Franklin, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Franklin is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Franklin

In Franklin in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Franklin.

Maximum UV Index Levels in Franklin for September

The chart shows the monthly maximum UV Index (UVI) for Franklin in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Franklin typically reaches 11, which falls under the extreme exposure category.

Data source: Franklin September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Franklin Compares to Other Months

Weather in Franklin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Franklin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Franklin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	92 mm (3.6 inches)	81%	moderate
February Weather	16°C (60°F)	92 mm (3.6 inches)	81%	very high
March Weather	19°C (66°F)	57 mm (2.2 inches)	79%	very high
April Weather	21°C (70°F)	116 mm (4.6 inches)	81%	extreme
May Weather	25°C (78°F)	143 mm (5.6 inches)	77%	extreme
June Weather	28°C (82°F)	183 mm (7.2 inches)	74%	extreme
July Weather	28°C (83°F)	207 mm (8.1 inches)	74%	extreme
August Weather	28°C (84°F)	164 mm (6.5 inches)	73%	extreme
September Weather	27°C (81°F)	141 mm (5.6 inches)	79%	extreme
October Weather	23°C (74°F)	101 mm (4.0 inches)	77%	very high
November Weather	17°C (62°F)	65 mm (2.6 inches)	81%	high
December Weather	15°C (58°F)	97 mm (3.8 inches)	84%	moderate