September Weather in Gardendale, United States

Last updated: June 24, 2025

In September, the average temperature in Gardendale, United States is a comfortable 25°C (76°F). However, be prepared for fluctuations, as temperatures can dip to a minimum of 5°C (42°F) and soar up to a maximum of 38°C (101°F). Expect about 43 mm (1.7 in) of precipitation spread over 6 days, contributing to an average humidity of 74%.

September Temperature in Gardendale

In September in Gardendale, the average temperature is 25°C (76°F). Maximum temperatures can reach 38°C (101°F), while the minimum can drop to a chilly 5°C (42°F). Be prepared for a wide range of temperatures if you're planning to visit during this time!

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

The chart illustrates September temperature patterns in Gardendale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gardendale, September typically has an average temperature of 25°C (76°F), with highs reaching up to 38°C (101°F) and lows dropping to around 5°C (42°F).

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

September Precipitation in Gardendale

In Gardendale in September, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

September Precipitation Trends in Gardendale

The chart displays monthly precipitation patterns in Gardendale, 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 Gardendale, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 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 Gardendale

In Gardendale in September, humidity is 74%. With an average temperature of 25°C (76°F), this humidity feels like you're enveloped in a warm, steamy embrace, making outdoor adventures quite challenging and ensuring that plenty of water and shade are essential for a comfortable experience.

September Average Humidity in Gardendale

This chart illustrates the average monthly humidity levels in Gardendale, 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 Gardendale is approximately 74%, 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 Gardendale

In Gardendale 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 Gardendale.

Maximum UV Index Levels in Gardendale for September

The chart shows the monthly maximum UV Index (UVI) for Gardendale 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 Gardendale typically reaches 11, which falls under the extreme exposure category.

Data source: Gardendale 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 Gardendale Compares to Other Months

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

This table compares monthly weather conditions in Gardendale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	18 mm (0.7 inches)	76%	moderate
February Weather	9°C (48°F)	14 mm (0.6 inches)	74%	high
March Weather	15°C (59°F)	32 mm (1.3 inches)	63%	very high
April Weather	19°C (66°F)	29 mm (1.1 inches)	61%	extreme
May Weather	24°C (76°F)	35 mm (1.4 inches)	68%	extreme
June Weather	28°C (82°F)	40 mm (1.6 inches)	70%	extreme
July Weather	29°C (84°F)	21 mm (0.8 inches)	70%	extreme
August Weather	28°C (83°F)	27 mm (1.1 inches)	67%	extreme
September Weather	25°C (76°F)	43 mm (1.7 inches)	74%	extreme
October Weather	19°C (66°F)	33 mm (1.3 inches)	75%	very high
November Weather	13°C (55°F)	13 mm (0.5 inches)	84%	high
December Weather	9°C (49°F)	13 mm (0.5 inches)	85%	moderate