September Weather in Magnolia, United States

Last updated: June 24, 2025

In Magnolia, United States, the average temperature in September hovers around 26°C (80°F), providing a pleasant climate for visitors. Temperatures can dip as low as 12°C (54°F) and soar to a sizzling 38°C (100°F). Expect some rain, with an average precipitation of 137 mm (5.4 in) over approximately 14 days, contributing to an average humidity level of 69%. Whether you're exploring the sights or relaxing outdoors, be prepared for the diverse weather this month brings!

September Temperature in Magnolia

In September in Magnolia, the average temperature is 26°C (80°F). Maximums can reach 38°C (100°F), while minimums can drop as low as 12°C (54°F). This makes it an ideal time to enjoy a variety of outdoor activities while ensuring you're prepared for both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Magnolia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Magnolia, September typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Magnolia

In Magnolia in September, the precipitation amount is 137 mm (5.4 in) spread over 14 days.

September Precipitation Trends in Magnolia

The chart displays monthly precipitation patterns in Magnolia, 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 Magnolia, September typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 14 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 Magnolia

In Magnolia in September, humidity is 69%. With an average temperature of 26°C (80°F), this humidity feels like a warm, steamy embrace, making outdoor activities slightly sweaty and requiring frequent breaks for hydration but still inviting for leisurely strolls or exploring local attractions.

September Average Humidity in Magnolia

This chart illustrates the average monthly humidity levels in Magnolia, 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 Magnolia is approximately 69%, 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 Magnolia

In Magnolia 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 Magnolia.

Maximum UV Index Levels in Magnolia for September

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

Data source: Magnolia 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 Magnolia Compares to Other Months

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

This table compares monthly weather conditions in Magnolia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	82 mm (3.2 inches)	79%	moderate
February Weather	13°C (56°F)	102 mm (4.0 inches)	80%	very high
March Weather	18°C (65°F)	77 mm (3.0 inches)	78%	very high
April Weather	20°C (69°F)	95 mm (3.7 inches)	79%	extreme
May Weather	25°C (77°F)	205 mm (8.1 inches)	81%	extreme
June Weather	28°C (82°F)	149 mm (5.8 inches)	77%	extreme
July Weather	29°C (84°F)	118 mm (4.6 inches)	71%	extreme
August Weather	29°C (84°F)	145 mm (5.7 inches)	67%	extreme
September Weather	26°C (80°F)	137 mm (5.4 inches)	69%	very high
October Weather	22°C (71°F)	97 mm (3.8 inches)	73%	very high
November Weather	16°C (61°F)	73 mm (2.9 inches)	82%	high
December Weather	13°C (57°F)	116 mm (4.6 inches)	87%	moderate