September Weather in Montgomery, United States

Last updated: June 24, 2025

In September, the average temperature in Montgomery, United States hovers around 26°C (79°F), with a minimum dip of 11°C (53°F) and occasional peaks soaring to 39°C (103°F). Expect about 115 mm (4.5 in) of precipitation spread over 10 days, accompanied by an average humidity level of 72%. Embrace the warmth and prepare for some refreshing rain!

September Temperature in Montgomery

In September in Montgomery, the average temperature is 26°C (79°F). Maximums can reach 39°C (103°F), and minimums can drop as low as 11°C (53°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Montgomery, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montgomery, September typically has an average temperature of 26°C (79°F), with highs reaching up to 39°C (103°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Montgomery

In Montgomery in September, the precipitation amount is 115 mm (4.5 in) over a span of 10 days.

September Precipitation Trends in Montgomery

The chart displays monthly precipitation patterns in Montgomery, 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 Montgomery, September typically receives around 115 mm (4.5 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 Montgomery

In Montgomery in September, humidity is 72%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel a bit more strenuous but also adding a tropical charm to your travels.

September Average Humidity in Montgomery

This chart illustrates the average monthly humidity levels in Montgomery, 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 Montgomery is approximately 72%, 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 Montgomery

In Montgomery in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Montgomery.

Maximum UV Index Levels in Montgomery for September

The chart shows the monthly maximum UV Index (UVI) for Montgomery 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 Montgomery typically reaches 10, which falls under the very high exposure category.

Data source: Montgomery 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 Montgomery Compares to Other Months

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

This table compares monthly weather conditions in Montgomery, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	104 mm (4.1 inches)	81%	moderate
February Weather	12°C (54°F)	153 mm (6.0 inches)	81%	high
March Weather	17°C (62°F)	114 mm (4.5 inches)	79%	very high
April Weather	19°C (66°F)	162 mm (6.4 inches)	80%	extreme
May Weather	24°C (75°F)	172 mm (6.8 inches)	81%	extreme
June Weather	27°C (80°F)	127 mm (5.0 inches)	76%	extreme
July Weather	28°C (83°F)	105 mm (4.1 inches)	73%	extreme
August Weather	28°C (83°F)	149 mm (5.9 inches)	71%	extreme
September Weather	26°C (79°F)	115 mm (4.5 inches)	72%	very high
October Weather	20°C (69°F)	107 mm (4.2 inches)	73%	very high
November Weather	14°C (57°F)	72 mm (2.8 inches)	83%	high
December Weather	12°C (53°F)	131 mm (5.2 inches)	88%	moderate