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September Weather in Easton, United States

Last updated: June 24, 2025

In September, the average temperature in Easton, United States hovers around 18°C (64°F), with minimums dipping to 2°C (36°F) and soaring to a maximum of 33°C (92°F). This period sees an average precipitation of 98 mm (3.9 in) spread over 10 days, contributing to a high average humidity of 79%. Prepare for a blend of warmth and occasional rain!

September Temperature in Easton

In September in Easton, the average temperature is 18°C (64°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 2°C (36°F). This diverse temperature range makes Easton an ideal destination for travelers seeking both warm and cooler experiences during their visit.

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 18°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec202134455970747164503527
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 98 mm (3.9 in) recorded over a span of 10 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 98 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4352589212611596110981024545
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 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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 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 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
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 Weather-7°C (20°F)43 mm (1.7 inches)85%low
February Weather-6°C (21°F)52 mm (2.0 inches)85%moderate
March Weather1°C (35°F)58 mm (2.3 inches)85%moderate
April Weather7°C (45°F)92 mm (3.6 inches)85%very high
May Weather15°C (59°F)126 mm (5.0 inches)78%very high
June Weather21°C (70°F)115 mm (4.5 inches)80%very high
July Weather23°C (74°F)96 mm (3.8 inches)78%very high
August Weather21°C (71°F)110 mm (4.3 inches)76%very high
September Weather18°C (64°F)98 mm (3.9 inches)79%high
October Weather10°C (50°F)102 mm (4.0 inches)83%moderate
November Weather2°C (36°F)45 mm (1.8 inches)88%moderate
December Weather-3°C (28°F)45 mm (1.8 inches)81%low

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