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September Weather in Gorham, United States

Last updated: June 24, 2025

In Gorham, United States, the average temperature in September is a pleasant 18°C (64°F), making it a great time to explore. However, be prepared for a range, with minimums dipping to 3°C (37°F) and maximums soaring to 32°C (90°F). Rain may make an appearance, with a total precipitation of 82 mm (3.2 in) over 9 days. Humidity levels linger around 78%, adding a touch of warmth to the atmosphere.

September Temperature in Gorham

In September in Gorham, the average temperature is 18°C (64°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 3°C (37°F). This diverse temperature range makes it a great time for travelers to prepare for both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Gorham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gorham, September typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec262834455867727064533931
Data source: Temperature data for Gorham 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 Gorham

In Gorham in September, the total precipitation amount is 82 mm (3.2 in), occurring over a span of 9 days.

September Precipitation Trends in Gorham

The chart displays monthly precipitation patterns in Gorham, 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 Gorham, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7681741151239715198831418289
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gorham

In Gorham in September, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.

September Average Humidity in Gorham

This chart illustrates the average monthly humidity levels in Gorham, 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 Gorham is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gorham

In Gorham 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 Gorham.

Maximum UV Index Levels in Gorham for September

The chart shows the monthly maximum UV Index (UVI) for Gorham 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 Gorham typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Gorham 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 Gorham Compares to Other Months

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

This table compares monthly weather conditions in Gorham, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)76 mm (3.0 inches)90%moderate
February Weather-2°C (28°F)81 mm (3.2 inches)90%moderate
March Weather1°C (35°F)74 mm (2.9 inches)87%high
April Weather7°C (46°F)115 mm (4.5 inches)88%very high
May Weather14°C (58°F)123 mm (4.8 inches)82%very high
June Weather19°C (67°F)97 mm (3.8 inches)79%very high
July Weather22°C (72°F)151 mm (5.9 inches)78%very high
August Weather21°C (71°F)98 mm (3.9 inches)76%very high
September Weather18°C (64°F)82 mm (3.2 inches)78%very high
October Weather12°C (54°F)141 mm (5.6 inches)84%high
November Weather4°C (39°F)82 mm (3.2 inches)89%moderate
December Weather0°C (32°F)89 mm (3.5 inches)86%low

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