September Weather in Rule, United States

Last updated: June 24, 2025

In Rule, United States, the average temperature in September hovers around 25°C (78°F), but be prepared for a range: it can drop to a brisk 8°C (46°F) at its lowest and soar to a sweltering 39°C (103°F) at its highest. With an average humidity of 69%, you'll want to stay hydrated! Expect around 74 mm (2.9 in) of precipitation over 6 days, so don’t forget your umbrella for those occasional showers.

September Temperature in Rule

In September in Rule, the average temperature is 25°C (78°F). Maximums can reach 39°C (103°F), and minimums can be as low as 8°C (46°F). Make sure to pack for both warm and cool weather to fully enjoy your travels!

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

The chart illustrates September temperature patterns in Rule, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rule, September typically has an average temperature of 25°C (78°F), with highs reaching up to 39°C (103°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Rule

In Rule in September, the total precipitation amount is 74 mm (2.9 in), spread over a period of 6 days.

September Precipitation Trends in Rule

The chart displays monthly precipitation patterns in Rule, 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 Rule, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 6 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 Rule

In Rule in September humidity is 69%. With an average temperature of 25°C (78°F), this humidity feels like a warm and tropical embrace, making traveling a bit sticky but also invigorating as each breath carries a hint of the surrounding environment, perfect for those who enjoy a lively and immersive journey.

September Average Humidity in Rule

This chart illustrates the average monthly humidity levels in Rule, 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 Rule is approximately 69%, 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 Rule

In Rule 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 Rule.

Maximum UV Index Levels in Rule for September

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

Data source: Rule 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 Rule Compares to Other Months

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

This table compares monthly weather conditions in Rule, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	25 mm (1.0 inches)	75%	moderate
February Weather	8°C (46°F)	25 mm (1.0 inches)	74%	high
March Weather	15°C (59°F)	52 mm (2.0 inches)	66%	very high
April Weather	18°C (65°F)	67 mm (2.6 inches)	70%	very high
May Weather	24°C (75°F)	80 mm (3.2 inches)	75%	extreme
June Weather	28°C (83°F)	63 mm (2.5 inches)	79%	extreme
July Weather	30°C (86°F)	26 mm (1.0 inches)	78%	extreme
August Weather	29°C (85°F)	41 mm (1.6 inches)	71%	extreme
September Weather	25°C (78°F)	74 mm (2.9 inches)	69%	very high
October Weather	19°C (66°F)	57 mm (2.2 inches)	70%	very high
November Weather	12°C (54°F)	28 mm (1.1 inches)	82%	high
December Weather	9°C (48°F)	22 mm (0.9 inches)	82%	moderate