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September Weather in Easton, United States

Last updated: June 24, 2025

In Easton, United States, the average temperature in September hovers around 20°C (68°F), creating a pleasant climate. However, temperatures can vary significantly, with minimums dipping to 3°C (37°F) and maximums soaring to 33°C (92°F). Expect about 109 mm (4.3 in) of precipitation spread over 9 days, contributing to an average humidity of 66%. Whether you're seeking mild weather or a bit of warmth, this month offers a unique blend of conditions!

September Temperature in Easton

In September in Easton, the average temperature is 20°C (68°F). Maximums can reach 33°C (92°F), and minimums can be as low as 3°C (37°F). This pleasant climate makes Easton an ideal destination for travelers looking to enjoy a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Easton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Easton, September typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec323540516170767468574336
Data source: Temperature data for Easton 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 Easton

In Easton in September, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.

September Precipitation Trends in Easton

The chart displays monthly precipitation patterns in Easton, 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 Easton, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec721089810813910212714010912391108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Easton

In Easton in September, humidity is 66%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially a bit sticky, so travelers should stay hydrated and consider light, breathable clothing for comfort.

September Average Humidity in Easton

This chart illustrates the average monthly humidity levels in Easton, 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 Easton is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Easton

In Easton in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Easton.

Maximum UV Index Levels in Easton for September

The chart shows the monthly maximum UV Index (UVI) for Easton 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 Easton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Easton 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 Easton Compares to Other Months

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

This table compares monthly weather conditions in Easton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)72 mm (2.8 inches)87%moderate
February Weather1°C (35°F)108 mm (4.2 inches)85%moderate
March Weather5°C (40°F)98 mm (3.9 inches)85%high
April Weather10°C (51°F)108 mm (4.2 inches)83%very high
May Weather16°C (62°F)139 mm (5.5 inches)75%very high
June Weather21°C (70°F)102 mm (4.0 inches)73%very high
July Weather25°C (76°F)127 mm (5.0 inches)65%very high
August Weather23°C (74°F)140 mm (5.5 inches)62%very high
September Weather20°C (68°F)109 mm (4.3 inches)66%very high
October Weather14°C (58°F)123 mm (4.8 inches)79%high
November Weather6°C (43°F)91 mm (3.6 inches)87%moderate
December Weather2°C (36°F)108 mm (4.2 inches)85%low

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