September Weather in Sloan, United States

Last updated: June 24, 2025

In September, the average temperature in Sloan, United States is a pleasant 18°C (65°F). Daily temperatures can vary widely, with minimums dipping to 4°C (40°F) and maximums soaring to 32°C (89°F). Be prepared for some rain, as precipitation amounts to 72 mm (2.8 in) over approximately 9 days. With an average humidity of 76%, it's a perfect time to embrace the season's charm!

September Temperature in Sloan

In September in Sloan, the average temperature is 18°C (65°F). The maximum can reach 32°C (89°F), and the minimum can be as low as 4°C (40°F). This makes it an ideal time for travelers to enjoy a mix of warm days and cool evenings while exploring the area.

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

The chart illustrates September temperature patterns in Sloan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sloan, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Sloan

In Sloan in September, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

September Precipitation Trends in Sloan

The chart displays monthly precipitation patterns in Sloan, 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 Sloan, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 9 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 Sloan

In Sloan in September, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Sloan

This chart illustrates the average monthly humidity levels in Sloan, 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 Sloan is approximately 76%, 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 Sloan

In Sloan in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sloan.

Maximum UV Index Levels in Sloan for September

The chart shows the monthly maximum UV Index (UVI) for Sloan 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 Sloan typically reaches 7, which falls under the high exposure category.

Data source: Sloan 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 Sloan Compares to Other Months

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

This table compares monthly weather conditions in Sloan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	76 mm (3.0 inches)	91%	low
February Weather	-2°C (29°F)	80 mm (3.2 inches)	91%	moderate
March Weather	2°C (36°F)	68 mm (2.7 inches)	88%	moderate
April Weather	8°C (46°F)	115 mm (4.5 inches)	88%	very high
May Weather	14°C (58°F)	98 mm (3.9 inches)	82%	very high
June Weather	20°C (68°F)	79 mm (3.1 inches)	79%	very high
July Weather	23°C (73°F)	130 mm (5.1 inches)	77%	very high
August Weather	22°C (72°F)	80 mm (3.2 inches)	72%	very high
September Weather	18°C (65°F)	72 mm (2.8 inches)	76%	high
October Weather	12°C (55°F)	122 mm (4.8 inches)	83%	moderate
November Weather	5°C (41°F)	84 mm (3.3 inches)	88%	moderate
December Weather	0°C (33°F)	89 mm (3.5 inches)	87%	low