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September Weather in Mashpee Neck, United States

Last updated: June 24, 2025

In September, the average temperature in Mashpee Neck, United States is a pleasant 20°C (67°F), with a minimum of 14°C (57°F) and a maximum reaching up to 25°C (78°F). Expect about 117 mm (4.6 in) of precipitation over approximately 10 days, resulting in an average humidity level of 75%. Enjoy the mild weather as you explore!

September Temperature in Mashpee Neck

In September in Mashpee Neck, the average temperature is 20°C (67°F). Maximums can reach 25°C (78°F) and minimums can be as low as 14°C (57°F). This climate makes Mashpee Neck an ideal destination for travelers seeking mild and pleasant weather.

September Weather in Mashpee Neck: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mashpee Neck, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mashpee Neck, September typically has an average temperature of 20°C (67°F), with highs reaching up to 25°C (78°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec353638465463717267604940
Data source: Temperature data for Mashpee Neck 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 Mashpee Neck

In Mashpee Neck in September, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.

September Precipitation Trends in Mashpee Neck

The chart displays monthly precipitation patterns in Mashpee Neck, 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 Mashpee Neck, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec93118116134119908486117168103129
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mashpee Neck

In Mashpee Neck in September humidity is 75%. With an average temperature of 20°C (67°F), this humidity feels like a warm, enveloping blanket that makes outdoor activities more strenuous, causing travelers to feel sticky and fatigued faster.

September Average Humidity in Mashpee Neck

This chart illustrates the average monthly humidity levels in Mashpee Neck, 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 Mashpee Neck 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 Mashpee Neck

In Mashpee Neck 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 Mashpee Neck.

Maximum UV Index Levels in Mashpee Neck for September

The chart shows the monthly maximum UV Index (UVI) for Mashpee Neck 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 Mashpee Neck typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998642
Data source: Mashpee Neck 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 Mashpee Neck Compares to Other Months

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

This table compares monthly weather conditions in Mashpee Neck, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)93 mm (3.7 inches)84%moderate
February Weather2°C (36°F)118 mm (4.6 inches)84%moderate
March Weather3°C (38°F)116 mm (4.6 inches)82%high
April Weather8°C (46°F)133 mm (5.3 inches)79%very high
May Weather12°C (54°F)119 mm (4.7 inches)75%very high
June Weather17°C (63°F)90 mm (3.5 inches)78%very high
July Weather22°C (71°F)84 mm (3.3 inches)76%very high
August Weather22°C (73°F)86 mm (3.4 inches)76%very high
September Weather20°C (67°F)117 mm (4.6 inches)75%very high
October Weather15°C (60°F)168 mm (6.6 inches)75%high
November Weather9°C (49°F)103 mm (4.0 inches)80%moderate
December Weather4°C (40°F)129 mm (5.1 inches)80%low

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