September Weather in Avon, United States

Last updated: June 24, 2025

In September, the average temperature in Avon, United States hovers around 19°C (67°F), providing a pleasant climate. Expect a minimum of 7°C (46°F) and a maximum of 33°C (92°F), ensuring a range of daily conditions. With 92 mm (3.6 in) of precipitation expected over 8 days, it's wise to keep an umbrella handy. Additionally, the average humidity sits at a comfortable 71%, adding to the region's charm.

September Temperature in Avon

In September in Avon, the average temperature is 19°C (67°F). Maximums can reach 33°C (92°F), while minimums can dip as low as 7°C (46°F). This mild climate makes Avon an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Avon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Avon, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (46°F).

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

September Precipitation in Avon

In Avon in September, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

September Precipitation Trends in Avon

The chart displays monthly precipitation patterns in Avon, 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 Avon, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 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 Avon

In Avon in September, humidity is 71%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel pleasant yet slightly sticky, as the air clings gently to your skin and invites you to stay hydrated while exploring.

September Average Humidity in Avon

This chart illustrates the average monthly humidity levels in Avon, 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 Avon is approximately 71%, 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 Avon

In Avon in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Avon.

Maximum UV Index Levels in Avon for September

The chart shows the monthly maximum UV Index (UVI) for Avon 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 Avon typically reaches 7, which falls under the high exposure category.

Data source: Avon 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 Avon Compares to Other Months

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

This table compares monthly weather conditions in Avon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	79 mm (3.1 inches)	86%	moderate
February Weather	1°C (34°F)	97 mm (3.8 inches)	84%	moderate
March Weather	3°C (38°F)	102 mm (4.0 inches)	82%	moderate
April Weather	9°C (48°F)	135 mm (5.3 inches)	80%	very high
May Weather	14°C (58°F)	94 mm (3.7 inches)	72%	very high
June Weather	19°C (67°F)	86 mm (3.4 inches)	72%	very high
July Weather	23°C (73°F)	115 mm (4.5 inches)	67%	very high
August Weather	23°C (73°F)	76 mm (3.0 inches)	66%	very high
September Weather	19°C (67°F)	92 mm (3.6 inches)	71%	high
October Weather	14°C (57°F)	149 mm (5.9 inches)	78%	high
November Weather	7°C (44°F)	100 mm (3.9 inches)	84%	moderate
December Weather	2°C (36°F)	124 mm (4.9 inches)	81%	low