September weather forecast
Duxbury, MA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Duxbury, Massachusetts, with an average temperature fluctuating between 59.9°F (15.5°C) and 69.3°F (20.7°C).

Temperature

September implies a soft temperature shift, with average high-temperatures reducing from August's warm 75.7°F (24.3°C) to an agreeable 69.3°F (20.7°C). In the month of September, Duxbury's average low-temperature falls to a mild 59.9°F (15.5°C).

Humidity

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

Rainfall

In Duxbury, in September, during 10.1 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 120.2 rainfall days, and 12.24" (311mm) of precipitation is accumulated.

Snowfall

In Duxbury, snow does not fall in May through October.

Ocean temperature

In Duxbury, the average seawater temperature in September is 64°F (17.8°C).
Note: For swimming, a surface water temperature of 64°F (17.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In September, the average length of the day in Duxbury is 12h and 28min.
On the first day of September, sunrise is at 6:09 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:25 pm EDT.

Sunshine

The average sunshine in September in Duxbury is 8.6h.

UV index

The average daily maximum UV index in September in Duxbury is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What are September temperatures in Duxbury?

In Duxbury, 69.3°F (20.7°C) is the average high-temperature and 59.9°F (15.5°C) is the average low-temperature during September.

What is the average humidity in September in Duxbury?

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

How much does it rain in Duxbury in September?

In Duxbury, Massachusetts, during September, the rain falls for 10.1 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When it does not snow in Duxbury?

In Duxbury, Massachusetts, snow does not fall in May through October.

What is the ocean temperature in September in Duxbury?

In Duxbury, Massachusetts, in September, the average water temperature is 64°F (17.8°C). For swimming, a surface water temperature of 64°F (17.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in September in Duxbury?

The average day length in September in Duxbury, Massachusetts, is 12h and 28min.

What time are sunrise and sunset in September in Duxbury?

In September, on the first day of the month, sunrise is at 6:09 am and sunset at 7:15 pm. On the last day of the month, in Duxbury, Massachusetts, sunrise is at 6:39 am and sunset at 6:25 pm EDT.

How many hours of sunshine does Duxbury have in September?

The average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Duxbury?

In Duxbury, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Duxbury, MA

Average temperature in September - Duxbury, MA
  • Average high temperature in September: 69.3°F

The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in September: 59.9°F

The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in September
Duxbury, MA

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

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Duxbury, MA

Average wind speed in September - Duxbury, MA
  • Average wind speed in September: 9.4mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in September
Duxbury, MA

Average humidity in September - Duxbury, MA
  • Average humidity in September: 78%

The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).

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Average rainfall in September
Duxbury, MA

Average rainfall in September - Duxbury, MA
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").

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Average rainfall days in September
Duxbury, MA

Average rainfall days in September - Duxbury, MA
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).

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Average snowfall in September
Duxbury, MA

Average snowfall in September - Duxbury, MA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Duxbury, MA

Average snowfall days in September - Duxbury, MA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in September
Duxbury, MA

Average sea temperature in September - Duxbury, MA
  • Average sea temperature in September: 64°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

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Average daylight in September /
Average sunshine in September
Duxbury, MA

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

The month with the longest days is June (Average daylight: 15h and 12min).
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 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in September
Duxbury, MA

Average sunshine days in September - Duxbury, MA
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).

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Average UV index in September
Duxbury, MA

Average UV index in September - Duxbury, MA
  • Average UV index in September: 4

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

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Average cloud cover in September
Duxbury, MA

Average cloud cover in September - Duxbury, MA
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Duxbury, MA

Average visibility in September - Duxbury, 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).

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Duxbury, Massachusetts, USA

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