September weather forecast
Sagamore Beach, MA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Sagamore Beach, Massachusetts, with an average temperature ranging between max 68.2°F (20.1°C) and min 61.7°F (16.5°C).

Temperature

With the onset of September, Sagamore Beach's climate undergoes a slight change as the average high-temperature moves from a moderately hot 73.8°F (23.2°C) in August to a pleasant 68.2°F (20.1°C). An average nighttime temperature of 61.7°F (16.5°C) marks September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Sagamore Beach, Massachusetts, during September, the rain falls for 11.1 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Sagamore Beach, during the entire year, the rain falls for 138.1 days and collects up to 18.74" (476mm) of precipitation.

Snowfall

In Sagamore Beach, snow does not fall in May through October.

Daylight

In Sagamore Beach, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:08 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:25 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What are the temperatures in September?

An average high-temperature, in September, in Sagamore Beach, is 68.2°F (20.1°C) and the average low-temperature is 61.7°F (16.5°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

How many days does it rain in September?

In Sagamore Beach, in September, during 11.1 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When it does not snow?

In Sagamore Beach, snow does not fall in May through October.

What is the average length of the day in September in Sagamore Beach?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:08 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:25 pm EDT.

How many hours of sunshine does Sagamore Beach have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index intensity in September?

In Sagamore Beach, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Sagamore Beach, MA

Average temperature in September - Sagamore Beach, MA
  • Average high temperature in September: 68.2°F

The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in September: 61.7°F

The months with the highest average low temperature are July and August (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in September
Sagamore Beach, MA

Average pressure in September - Sagamore Beach, 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).

Average wind speed in September
Sagamore Beach, MA

Average wind speed in September - Sagamore Beach, MA
  • Average wind speed in September: 11.4mph

The windiest month (with the highest average wind speed) is January (15.2mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).

Average humidity in September
Sagamore Beach, MA

Average humidity in September - Sagamore Beach, MA
  • Average humidity in September: 79%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).

Average rainfall in September
Sagamore Beach, MA

Average rainfall in September - Sagamore Beach, MA
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is October (2.2").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in September
Sagamore Beach, MA

Average rainfall days in September - Sagamore Beach, MA
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (8 days).

Average snowfall in September
Sagamore Beach, MA

Average snowfall in September - Sagamore Beach, MA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Sagamore Beach, MA

Average snowfall days in September - Sagamore Beach, MA
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Sagamore Beach, MA

Average daylight in September / Average sunshine in September - Sagamore Beach, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in September
Sagamore Beach, MA

Average sunshine days in September - Sagamore Beach, MA
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is December (17.6 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in September
Sagamore Beach, MA

Average UV index in September - Sagamore Beach, MA
  • Average UV index in September: 4

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

Average cloud cover in September
Sagamore Beach, MA

Average cloud cover in September - Sagamore Beach, MA
  • Average cloud cover in September: 32

The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Sagamore Beach, MA

Average visibility in September - Sagamore Beach, 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).

Sagamore Beach, Massachusetts, USA

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