September Weather in Sky Valley, United States

Last updated: June 24, 2025

In September, the average temperature in Sky Valley, United States is a warm 27°C (81°F), making it a great time to enjoy the outdoors. However, be prepared for a range of temperatures—the minimum can dip to a cool 11°C (51°F), while the mercury might soar to a scorching 44°C (111°F). With only 3 mm (0.1 in) of precipitation over 1 day, and an average humidity of 52%, it's mostly a comfortable month to explore and relax.

September Temperature in Sky Valley

In September in Sky Valley, the average temperature is 27°C (81°F), with maximums reaching up to 44°C (111°F) and minimums dropping as low as 11°C (51°F). This diverse temperature range makes Sky Valley an ideal destination for travelers looking to experience both warm days and cooler evenings.

September Weather in Sky Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sky Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sky Valley, September typically has an average temperature of 27°C (81°F), with highs reaching up to 44°C (111°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Sky Valley

In Sky Valley in September, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

September Precipitation Trends in Sky Valley

The chart displays monthly precipitation patterns in Sky Valley, 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 Sky Valley, September typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 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 Sky Valley

In Sky Valley in September humidity is 52%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, making it comfortable for exploring the sights but requiring occasional breaks to stay refreshed.

September Average Humidity in Sky Valley

This chart illustrates the average monthly humidity levels in Sky Valley, 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 Sky Valley is approximately 52%, 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 Sky Valley

In Sky Valley 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 Sky Valley.

Maximum UV Index Levels in Sky Valley for September

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

Data source: Sky Valley 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 Sky Valley Compares to Other Months

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

This table compares monthly weather conditions in Sky Valley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	22 mm (0.9 inches)	72%	moderate
February Weather	12°C (53°F)	22 mm (0.9 inches)	77%	high
March Weather	14°C (58°F)	16 mm (0.6 inches)	67%	very high
April Weather	19°C (67°F)	10 mm (0.4 inches)	56%	extreme
May Weather	22°C (73°F)	3 mm (0.1 inches)	46%	extreme
June Weather	28°C (83°F)	1 mm (0.0 inches)	48%	extreme
July Weather	31°C (89°F)	7 mm (0.3 inches)	46%	extreme
August Weather	31°C (88°F)	4 mm (0.2 inches)	42%	extreme
September Weather	27°C (81°F)	3 mm (0.1 inches)	52%	very high
October Weather	20°C (69°F)	5 mm (0.2 inches)	58%	very high
November Weather	15°C (60°F)	6 mm (0.2 inches)	66%	moderate
December Weather	10°C (50°F)	24 mm (0.9 inches)	74%	moderate