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September Weather in Vergennes, United States

Last updated: June 24, 2025

In September, the average temperature in Vergennes, United States hovers around 17°C (62°F), offering a comfortable climate for outdoor activities. Temperatures can vary significantly, with a minimum of 0°C (32°F) and a maximum reaching 32°C (91°F). Expect about 65 mm (2.5 in) of precipitation over 8 days, contributing to an average humidity of 78%. данный текст - ссылка.

September Temperature in Vergennes

In September in Vergennes, the average temperature is 17°C (62°F). Maximums can reach 32°C (91°F), and minimums can dip as low as 0°C (32°F). This climate makes Vergennes a versatile destination for travelers, offering a mix of warm days and cooler nights ideal for outdoor activities.

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

The chart illustrates September temperature patterns in Vergennes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vergennes, September typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (91°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec212431445766716962513627
Data source: Temperature data for Vergennes generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Vergennes

In Vergennes in September, the precipitation amount is 65 mm (2.5 in) over a span of 8 days.

September Precipitation Trends in Vergennes

The chart displays monthly precipitation patterns in Vergennes, 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 Vergennes, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec757567103869710496651379874
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vergennes

In Vergennes in September, humidity is 78%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping blanket, making travel feel a bit sticky and heavy but also refreshing, as long as you're prepared with light clothing and plenty of water.

September Average Humidity in Vergennes

This chart illustrates the average monthly humidity levels in Vergennes, 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 Vergennes is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vergennes

In Vergennes 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 Vergennes.

Maximum UV Index Levels in Vergennes for September

The chart shows the monthly maximum UV Index (UVI) for Vergennes 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 Vergennes typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Vergennes 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 Vergennes Compares to Other Months

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

This table compares monthly weather conditions in Vergennes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)75 mm (3.0 inches)93%low
February Weather-4°C (24°F)75 mm (2.9 inches)92%moderate
March Weather-1°C (31°F)67 mm (2.6 inches)86%moderate
April Weather7°C (44°F)103 mm (4.0 inches)85%very high
May Weather14°C (57°F)86 mm (3.4 inches)80%very high
June Weather19°C (66°F)97 mm (3.8 inches)74%very high
July Weather22°C (71°F)104 mm (4.1 inches)76%very high
August Weather21°C (69°F)96 mm (3.8 inches)75%very high
September Weather17°C (62°F)65 mm (2.5 inches)78%high
October Weather10°C (51°F)137 mm (5.4 inches)86%moderate
November Weather2°C (36°F)98 mm (3.9 inches)88%moderate
December Weather-3°C (27°F)74 mm (2.9 inches)89%low

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