September Weather in Sloan, United States

Last updated: June 24, 2025

In September, the average temperature in Sloan, United States hovers around 20°C (68°F), with daytime highs reaching up to 35°C (95°F) and dropping as low as 4°C (39°F) at night. Expect about 98 mm (3.9 in) of rainfall spread over 9 days, contributing to an average humidity level of 75%. This delightful climate is perfect for exploring the vibrant landscapes and local culture!

September Temperature in Sloan

In September in Sloan, the average temperature is 20°C (68°F). Maximums can reach 35°C (95°F) and minimums can be as low as 4°C (39°F). This weather makes Sloan an ideal destination for travelers looking to enjoy mild days and cooler evenings.

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 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°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 98 mm (3.9 in) spread over a duration 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 98 mm (3.9 inches) of precipitation spread over approximately 9 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 Sloan

In Sloan in September, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.

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 75%, 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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very 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	-5°C (23°F)	28 mm (1.1 inches)	80%	moderate
February Weather	-5°C (23°F)	31 mm (1.2 inches)	84%	moderate
March Weather	4°C (39°F)	83 mm (3.3 inches)	75%	moderate
April Weather	9°C (48°F)	75 mm (2.9 inches)	79%	very high
May Weather	16°C (62°F)	141 mm (5.6 inches)	74%	very high
June Weather	24°C (75°F)	113 mm (4.4 inches)	81%	extreme
July Weather	25°C (77°F)	59 mm (2.3 inches)	82%	very high
August Weather	23°C (74°F)	108 mm (4.3 inches)	80%	very high
September Weather	20°C (68°F)	98 mm (3.9 inches)	75%	very high
October Weather	11°C (51°F)	80 mm (3.1 inches)	77%	moderate
November Weather	3°C (38°F)	27 mm (1.1 inches)	85%	moderate
December Weather	-2°C (29°F)	42 mm (1.6 inches)	83%	low