September Weather in Erwin, United States

Last updated: June 24, 2025

In September, the average temperature in Erwin, United States hovers around 24°C (75°F). The temperature can dip as low as 9°C (49°F) and soar up to 36°C (97°F). Expect about 154 mm (6.0 in) of precipitation distributed over 10 days, contributing to an average humidity of 79%. Whether you're exploring or relaxing, be prepared for varying weather conditions!

September Temperature in Erwin

In September in Erwin, the average temperature is 24°C (75°F). Maximums can reach 36°C (97°F), and minimums can be as low as 9°C (49°F). This makes Erwin an ideal destination for travelers seeking pleasant weather with a range of temperatures suitable for various activities.

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

The chart illustrates September temperature patterns in Erwin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Erwin, September typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (49°F).

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

September Precipitation in Erwin

In Erwin in September, the precipitation amount is 154 mm (6.0 in) over a span of 10 days.

September Precipitation Trends in Erwin

The chart displays monthly precipitation patterns in Erwin, 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 Erwin, September typically receives around 154 mm (6.0 inches) of precipitation spread over approximately 10 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 Erwin

In Erwin in September, humidity is 79%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making traveling quite sticky and requiring ample hydration and light clothing to keep comfortable while exploring.

September Average Humidity in Erwin

This chart illustrates the average monthly humidity levels in Erwin, 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 Erwin 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 Erwin

In Erwin 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 Erwin.

Maximum UV Index Levels in Erwin for September

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

Data source: Erwin 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 Erwin Compares to Other Months

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

This table compares monthly weather conditions in Erwin, 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 (45°F)	92 mm (3.6 inches)	85%	moderate
February Weather	10°C (50°F)	93 mm (3.7 inches)	82%	high
March Weather	12°C (54°F)	70 mm (2.8 inches)	81%	very high
April Weather	17°C (64°F)	103 mm (4.0 inches)	80%	very high
May Weather	22°C (72°F)	112 mm (4.4 inches)	81%	extreme
June Weather	25°C (77°F)	127 mm (5.0 inches)	81%	extreme
July Weather	27°C (81°F)	104 mm (4.1 inches)	81%	extreme
August Weather	26°C (79°F)	167 mm (6.6 inches)	80%	very high
September Weather	24°C (75°F)	154 mm (6.0 inches)	79%	very high
October Weather	19°C (67°F)	60 mm (2.4 inches)	80%	very high
November Weather	11°C (53°F)	81 mm (3.2 inches)	85%	moderate
December Weather	9°C (48°F)	113 mm (4.4 inches)	86%	moderate