September weather forecast
Westport Point, MA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Westport Point, Massachusetts, with an average temperature varying between 59.7°F (15.4°C) and 71.4°F (21.9°C).

Temperature

With the arrival of September, Westport Point notices a mild change in the average high-temperature, sliding from August's moderately hot 77.7°F (25.4°C) to a pleasant 71.4°F (21.9°C). In the month of September, the average temperature in Westport Point dips to a moderate 59.7°F (15.4°C) during the night.

Humidity

In Westport Point, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.42" (36mm) of precipitation.

Snowfall

April, June through October are months without snowfall.

Daylight

In Westport Point, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:27 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Around midday, solar radiation is most harmful; hence, exposure should be limited. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

Westport Point in September has an average high-temperature of 71.4°F (21.9°C) and an average low-temperature of 59.7°F (15.4°C).

What is the average humidity in September?

In September, the average relative humidity is 78%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.42" (36mm) of precipitation.

How many days does it rain in September?

In Westport Point, in September, during 11.6 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow?

April, June through October are months without snowfall.

How many hours of daylight does Westport Point have in September?

In Westport Point, the average day length in September is 12h and 28min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:11 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:27 pm EDT.

How many hours of sunshine does Westport Point have in September?

In Westport Point, the average sunshine duration in September is 8.7h.

How high is the UV index in September?

In Westport Point, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Westport Point, MA

Average temperature in September - Westport Point, MA
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in September
Westport Point, MA

Average pressure in September - Westport Point, MA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Westport Point, MA

Average wind speed in September - Westport Point, MA
  • Average wind speed in September: 9mph

The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in September
Westport Point, MA

Average humidity in September - Westport Point, MA
  • Average humidity in September: 78%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).

Average rainfall in September
Westport Point, MA

Average rainfall in September - Westport Point, MA
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in September
Westport Point, MA

Average rainfall days in September - Westport Point, MA
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in September
Westport Point, MA

Average snowfall in September - Westport Point, MA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in September
Westport Point, MA

Average snowfall days in September - Westport Point, MA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Westport Point, MA

Average daylight in September / Average sunshine in September - Westport Point, MA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Westport Point, MA

Average sunshine days in September - Westport Point, MA
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in September
Westport Point, MA

Average UV index in September - Westport Point, MA
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in September
Westport Point, MA

Average cloud cover in September - Westport Point, MA
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Westport Point, MA

Average visibility in September - Westport Point, MA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Westport Point, Massachusetts, USA

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