September Weather in Arenas Valley, United States

Last updated: June 24, 2025

In September, the average temperature in {Arenas Valley}, {United States} is a pleasant 20°C (69°F). Expect a minimum drop to 8°C (47°F), while the mercury can soar to a maximum of 33°C (92°F). With 43 mm (1.7 in) of precipitation spread over 6 days, you might want to pack an umbrella, especially with an average humidity level of 66%. Enjoy your stay!

September Temperature in Arenas Valley

In September, in Arenas Valley, the average temperature is 20°C (69°F), with maximums reaching 33°C (92°F) and minimums dipping as low as 8°C (47°F). This weather makes Arenas Valley an ideal destination for travelers seeking a pleasant climate.

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

The chart illustrates September temperature patterns in Arenas Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arenas Valley, September typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in Arenas Valley

In Arenas Valley in September, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

September Precipitation Trends in Arenas Valley

The chart displays monthly precipitation patterns in Arenas 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 Arenas Valley, September typically receives around 43 mm (1.7 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 Arenas Valley

In Arenas Valley in September humidity is 66%. With an average temperature of 20°C (69°F), this humidity feels like a gentle enveloping warmth, making it comfortable for traveling but with a slight stickiness that may encourage you to seek shade or refreshments frequently.

September Average Humidity in Arenas Valley

This chart illustrates the average monthly humidity levels in Arenas 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 Arenas Valley is approximately 66%, 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 Arenas Valley

In Arenas Valley 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 Arenas Valley.

Maximum UV Index Levels in Arenas Valley for September

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

Data source: Arenas 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 Arenas Valley Compares to Other Months

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

This table compares monthly weather conditions in Arenas Valley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	33 mm (1.3 inches)	81%	moderate
February Weather	6°C (42°F)	41 mm (1.6 inches)	82%	very high
March Weather	10°C (50°F)	28 mm (1.1 inches)	68%	very high
April Weather	15°C (59°F)	5 mm (0.2 inches)	55%	extreme
May Weather	19°C (67°F)	6 mm (0.2 inches)	45%	extreme
June Weather	25°C (76°F)	14 mm (0.5 inches)	37%	extreme
July Weather	24°C (76°F)	82 mm (3.2 inches)	43%	extreme
August Weather	23°C (74°F)	47 mm (1.9 inches)	53%	extreme
September Weather	20°C (69°F)	43 mm (1.7 inches)	66%	extreme
October Weather	15°C (60°F)	24 mm (1.0 inches)	72%	very high
November Weather	10°C (50°F)	31 mm (1.2 inches)	81%	high
December Weather	5°C (41°F)	30 mm (1.2 inches)	84%	moderate