September Weather in Sanderson, United States

Last updated: June 24, 2025

In Sanderson, United States, the average temperature in September is a pleasant 25°C (76°F). However, you can experience a minimum of 10°C (49°F) and a sizzling maximum of 39°C (103°F). This month, expect about 38 mm (1.5 in) of precipitation over 6 days, with an average humidity of 74%. Stay prepared for a mix of warm days and occasional rain!

September Temperature in Sanderson

In September in Sanderson, the average temperature is 25°C (76°F). Maximums can reach 39°C (103°F), while minimums can dip as low as 10°C (49°F). It's an ideal time for travelers looking to enjoy warm days and mild evenings.

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

The chart illustrates September temperature patterns in Sanderson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanderson, September typically has an average temperature of 25°C (76°F), with highs reaching up to 39°C (103°F) and lows dropping to around 10°C (49°F).

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

September Precipitation in Sanderson

In Sanderson in September, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.

September Precipitation Trends in Sanderson

The chart displays monthly precipitation patterns in Sanderson, 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 Sanderson, September typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Sanderson

In Sanderson 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 Sanderson

This chart illustrates the average monthly humidity levels in Sanderson, 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 Sanderson 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 Sanderson

In Sanderson 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 Sanderson.

Maximum UV Index Levels in Sanderson for September

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

Data source: Sanderson 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 Sanderson Compares to Other Months

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

This table compares monthly weather conditions in Sanderson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	19 mm (0.8 inches)	76%	moderate
February Weather	11°C (53°F)	19 mm (0.8 inches)	74%	very high
March Weather	16°C (61°F)	18 mm (0.7 inches)	63%	very high
April Weather	20°C (68°F)	26 mm (1.0 inches)	61%	extreme
May Weather	25°C (76°F)	41 mm (1.6 inches)	68%	extreme
June Weather	27°C (81°F)	41 mm (1.6 inches)	70%	extreme
July Weather	28°C (82°F)	21 mm (0.8 inches)	70%	extreme
August Weather	28°C (82°F)	33 mm (1.3 inches)	67%	extreme
September Weather	25°C (76°F)	38 mm (1.5 inches)	74%	extreme
October Weather	20°C (68°F)	34 mm (1.3 inches)	75%	very high
November Weather	14°C (58°F)	9 mm (0.4 inches)	84%	high
December Weather	11°C (53°F)	22 mm (0.9 inches)	85%	moderate