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September Weather in East Greenwich, United States

Last updated: June 24, 2025

In September, the average temperature in East Greenwich, United States hovers around 19°C (67°F), providing a pleasant climate for various activities. However, temperatures can swing from a brisk 5°C (41°F) to a warm 34°C (93°F). Expect about 93 mm (3.7 in) of precipitation spread over 8 days, accompanied by an average humidity of 75%, creating a unique blend of weather patterns for the month.

September Temperature in East Greenwich

In September in East Greenwich, the average temperature is 19°C (67°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 5°C (41°F). This varied climate makes East Greenwich an ideal destination for travelers looking to experience both warm and cooler weather.

September Weather in East Greenwich: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in East Greenwich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Greenwich, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec323439485968747366574435
Data source: Temperature data for East Greenwich 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 East Greenwich

In East Greenwich in September, the total precipitation amount is 93 mm (3.7 in) over the course of 8 days.

September Precipitation Trends in East Greenwich

The chart displays monthly precipitation patterns in East Greenwich, 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 East Greenwich, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec739099128103981301029313399121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in East Greenwich

In East Greenwich in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

September Average Humidity in East Greenwich

This chart illustrates the average monthly humidity levels in East Greenwich, 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 East Greenwich is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in East Greenwich

In East Greenwich 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 East Greenwich.

Maximum UV Index Levels in East Greenwich for September

The chart shows the monthly maximum UV Index (UVI) for East Greenwich 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 East Greenwich typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: East Greenwich 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 East Greenwich Compares to Other Months

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

This table compares monthly weather conditions in East Greenwich, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)73 mm (2.9 inches)84%moderate
February Weather1°C (34°F)90 mm (3.5 inches)84%moderate
March Weather4°C (39°F)99 mm (3.9 inches)82%high
April Weather9°C (49°F)127 mm (5.0 inches)79%very high
May Weather15°C (59°F)103 mm (4.1 inches)75%very high
June Weather20°C (68°F)98 mm (3.8 inches)78%very high
July Weather23°C (74°F)130 mm (5.1 inches)76%very high
August Weather23°C (74°F)101 mm (4.0 inches)76%very high
September Weather19°C (67°F)93 mm (3.7 inches)75%very high
October Weather14°C (57°F)133 mm (5.3 inches)75%high
November Weather7°C (44°F)99 mm (3.9 inches)80%moderate
December Weather2°C (36°F)121 mm (4.8 inches)80%low

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