September Weather in Cookeville, United States

Last updated: June 24, 2025

In September, the average temperature in Cookeville, United States is a pleasant 23°C (73°F), though it can fluctuate between a minimum of 8°C (47°F) and a maximum of 36°C (96°F). During this period, expect 124 mm (4.9 in) of precipitation over about 10 days, contributing to an overall average humidity of 71%. Whether you're exploring or relaxing, prepare for a mix of weather that offers both warmth and occasional showers!

September Temperature in Cookeville

In September in Cookeville, the average temperature is 23°C (73°F). Maximum temperatures can reach 36°C (96°F), while the minimum can drop as low as 8°C (47°F). This variability makes it essential for travelers to pack for both warm and cool conditions.

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

The chart illustrates September temperature patterns in Cookeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cookeville, September typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in Cookeville

In Cookeville in September, the precipitation amount is 124 mm (4.9 in) spread over a duration of 10 days.

September Precipitation Trends in Cookeville

The chart displays monthly precipitation patterns in Cookeville, 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 Cookeville, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 10 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 Cookeville

In Cookeville in September humidity is 71%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor exploration slightly uncomfortable but still manageable if you stay hydrated and plan for breaks in shaded areas.

September Average Humidity in Cookeville

This chart illustrates the average monthly humidity levels in Cookeville, 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 Cookeville is approximately 71%, 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 Cookeville

In Cookeville in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Cookeville.

Maximum UV Index Levels in Cookeville for September

The chart shows the monthly maximum UV Index (UVI) for Cookeville 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 Cookeville typically reaches 9, which falls under the very high exposure category.

Data source: Cookeville 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 Cookeville Compares to Other Months

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

This table compares monthly weather conditions in Cookeville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	110 mm (4.3 inches)	87%	moderate
February Weather	7°C (45°F)	193 mm (7.6 inches)	86%	high
March Weather	11°C (52°F)	164 mm (6.5 inches)	86%	high
April Weather	15°C (58°F)	152 mm (6.0 inches)	82%	very high
May Weather	20°C (69°F)	131 mm (5.2 inches)	82%	very high
June Weather	24°C (75°F)	143 mm (5.6 inches)	83%	extreme
July Weather	26°C (79°F)	128 mm (5.0 inches)	80%	extreme
August Weather	25°C (77°F)	130 mm (5.1 inches)	74%	very high
September Weather	23°C (73°F)	124 mm (4.9 inches)	71%	very high
October Weather	17°C (63°F)	136 mm (5.4 inches)	78%	high
November Weather	9°C (48°F)	81 mm (3.2 inches)	88%	moderate
December Weather	7°C (45°F)	153 mm (6.0 inches)	88%	moderate