September Weather in Supreme, United States

Last updated: June 24, 2025

In Supreme, United States, the average temperature for September hovers around 26°C (80°F). You can expect a range where the minimum dips to 14°C (57°F) and the maximum soars to 35°C (95°F). With an average humidity of 79%, the atmosphere can feel quite tropical. Be prepared, as precipitation during this month totals approximately 171 mm (6.7 in) spread over 17 days.

September Temperature in Supreme

In September in Supreme, the average temperature is 26°C (80°F). Maximums can reach 35°C (95°F) and minimums can be as low as 14°C (57°F). This range makes Supreme an ideal destination for travelers looking to enjoy warm weather while also having the option for cooler evenings.

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

The chart illustrates September temperature patterns in Supreme, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Supreme, September typically has an average temperature of 26°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 14°C (57°F).

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

September Precipitation in Supreme

In Supreme in September, the precipitation amount is 171 mm (6.7 in) over the course of 17 days.

September Precipitation Trends in Supreme

The chart displays monthly precipitation patterns in Supreme, 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 Supreme, September typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 17 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 Supreme

In Supreme in September, humidity is 79%. With an average temperature of 26°C (80°F), this humidity feels like an enveloping warm blanket, making travel feel slightly sluggish and prompting frequent hydration breaks to stay comfortable while exploring the sights.

September Average Humidity in Supreme

This chart illustrates the average monthly humidity levels in Supreme, 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 Supreme is approximately 79%, 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 Supreme

In Supreme 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 Supreme.

Maximum UV Index Levels in Supreme for September

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

Data source: Supreme 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 Supreme Compares to Other Months

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

This table compares monthly weather conditions in Supreme, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	89 mm (3.5 inches)	81%	moderate
February Weather	16°C (61°F)	101 mm (4.0 inches)	81%	very high
March Weather	19°C (66°F)	66 mm (2.6 inches)	79%	very high
April Weather	21°C (70°F)	106 mm (4.2 inches)	81%	extreme
May Weather	25°C (77°F)	139 mm (5.5 inches)	77%	extreme
June Weather	27°C (82°F)	209 mm (8.2 inches)	74%	extreme
July Weather	28°C (82°F)	236 mm (9.3 inches)	74%	extreme
August Weather	28°C (82°F)	209 mm (8.2 inches)	73%	extreme
September Weather	26°C (80°F)	171 mm (6.7 inches)	79%	extreme
October Weather	23°C (73°F)	120 mm (4.7 inches)	77%	very high
November Weather	16°C (62°F)	62 mm (2.4 inches)	81%	high
December Weather	14°C (58°F)	95 mm (3.7 inches)	84%	moderate