September Weather in Pinnacle, United States

Last updated: June 24, 2025

In September, the average temperature in Pinnacle, United States hovers around 22°C (73°F), a pleasant experience for many. However, be prepared for a range of temperatures—minimums can drop to 6°C (42°F), while maximums can soar to 36°C (97°F). During this month, expect around 133 mm (5.2 in) of precipitation over approximately 9 days, accompanied by an average humidity level of 68%. Whether you're enjoying the sunshine or packing an umbrella, there’s something for everyone!

September Temperature in Pinnacle

In September in Pinnacle, the average temperature is 22°C (73°F). Maximums can reach 36°C (97°F), while minimums can dip as low as 6°C (42°F). This range makes Pinnacle an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Pinnacle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pinnacle, September typically has an average temperature of 22°C (73°F), with highs reaching up to 36°C (97°F) and lows dropping to around 6°C (42°F).

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

September Precipitation in Pinnacle

In Pinnacle in September, the precipitation amount is 133 mm (5.2 in) spread over a duration of 9 days.

September Precipitation Trends in Pinnacle

The chart displays monthly precipitation patterns in Pinnacle, 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 Pinnacle, September typically receives around 133 mm (5.2 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 Pinnacle

In Pinnacle in September humidity is 68%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so staying hydrated is essential while exploring the sights.

September Average Humidity in Pinnacle

This chart illustrates the average monthly humidity levels in Pinnacle, 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 Pinnacle is approximately 68%, 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 Pinnacle

In Pinnacle in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Pinnacle.

Maximum UV Index Levels in Pinnacle for September

The chart shows the monthly maximum UV Index (UVI) for Pinnacle 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 Pinnacle typically reaches 9, which falls under the very high exposure category.

Data source: Pinnacle 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 Pinnacle Compares to Other Months

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

This table compares monthly weather conditions in Pinnacle, 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 (41°F)	81 mm (3.2 inches)	87%	moderate
February Weather	8°C (46°F)	116 mm (4.6 inches)	87%	high
March Weather	10°C (51°F)	85 mm (3.4 inches)	86%	very high
April Weather	15°C (59°F)	127 mm (5.0 inches)	84%	very high
May Weather	20°C (68°F)	126 mm (5.0 inches)	83%	very high
June Weather	24°C (75°F)	88 mm (3.5 inches)	83%	extreme
July Weather	26°C (79°F)	78 mm (3.1 inches)	79%	very high
August Weather	25°C (77°F)	113 mm (4.4 inches)	66%	very high
September Weather	22°C (73°F)	133 mm (5.2 inches)	68%	very high
October Weather	17°C (63°F)	124 mm (4.9 inches)	78%	very high
November Weather	9°C (49°F)	86 mm (3.4 inches)	89%	moderate
December Weather	7°C (44°F)	108 mm (4.2 inches)	86%	moderate