September weather forecast
Westport, MA

Weather in September

September, the first month of the autumn, in Westport, is still a pleasant month, with average temperature varying between 72.1°F (22.3°C) and 57°F (13.9°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 78.6°F (25.9°C) in August, to an agreeable 72.1°F (22.3°C). The average low-temperature,, is 57°F (13.9°C).

Rainfall

Throughout September, in Westport, 3.27" (83.1mm) of precipitation is accumulated. Throughout the year, 43.87" (1114.3mm) of rain is accumulated.

Daylight

In September, the average length of the day in Westport is 12.5h.
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FAQ

How much does it rain in Westport in September?

In Westport, Massachusetts, in September, 3.27" (83.1mm) of precipitation is typically accumulated.

How many hours of daylight does Westport have in September?

The average length of the day in September is 12.5h.

Average temperature in September
Westport, MA

Average temperature in September - Westport, MA
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (64.8°F).
The coldest months (with the lowest average low temperature) are January and February (23.5°F).

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Average rainfall in September
Westport, MA

Average rainfall in September - Westport, MA
  • Average rainfall in September: 3.3"

The wettest month (with the highest rainfall) is August (4.3").
The driest month (with the least rainfall) is July (2.9").

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Average daylight in September
Westport, MA

Average daylight in September - Westport, MA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

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