September weather forecast
Marblehead, MA

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Weather in September

September, the first month of the autumn in Marblehead, is still a pleasant month, with an average temperature ranging between min 58.5°F (14.7°C) and max 70.9°F (21.6°C).

Temperature

The arrival of September corresponds with a light shift in temperature, down from a moderately hot 78.4°F (25.8°C) in August to a pleasant 70.9°F (21.6°C). In September, Marblehead records an average nighttime temperature of 58.5°F (14.7°C).

Humidity

The average relative humidity in September in Marblehead is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.46" (37mm) of precipitation.

Snowfall

May through September are months without snowfall.

Ocean temperature

In Marblehead, in September, the average water temperature is 62.6°F (17°C).
Note: For most people, a water temperature of 62.6°F (17°C) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 69.8°F (21°C).

Daylight

In September, the average length of the day in Marblehead is 12h and 29min.
On the first day of September in Marblehead, sunrise is at 6:09 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:26 pm EDT.

Sunshine

The average sunshine in September in Marblehead is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the temperature in September in Marblehead?

September temperatures in Marblehead vary between a high-temperature of 70.9°F (21.6°C) and a low-temperature of 58.5°F (14.7°C).

What is the average humidity in September in Marblehead?

In September, the average relative humidity in Marblehead is 75%.

What is the driest month in Marblehead?

September is the month with the least rainfall in Marblehead, Massachusetts. Rain falls for 11.3 days and accumulates 1.46" (37mm) of precipitation.

How much does it rain in Marblehead in September?

In Marblehead, Massachusetts, during September, the rain falls for 11.3 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Marblehead?

May through September are months without snowfall.

Does it snow in Marblehead in September?

In Marblehead, Massachusetts, in September, it doesn't snow. In October, it regularly snows.

How cold is the water in September in Marblehead?

In Marblehead, in September, the average water temperature is 62.6°F (17°C). For most, swimming in 62.6°F (17°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

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

In September, the average day length in Marblehead, Massachusetts, is 12h and 29min.

When is the sunrise / sunset in September in Marblehead?

In September, on the first day of the month, sunrise is at 6:09 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:26 pm EDT.

How many hours of sunshine does Marblehead have in September?

The average sunshine duration in September in Marblehead, Massachusetts, is 8.3h.

How high is the UV index in September in Marblehead?

In Marblehead, Massachusetts, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Marblehead, MA

Average temperature in September - Marblehead, MA
  • Average high temperature in September: 70.9°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 58.5°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in September
Marblehead, MA

Average pressure in September - Marblehead, 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 (29.92"Hg).

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Average wind speed in September
Marblehead, MA

Average wind speed in September - Marblehead, MA
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in September
Marblehead, MA

Average humidity in September - Marblehead, MA
  • Average humidity in September: 75%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in September
Marblehead, MA

Average rainfall in September - Marblehead, MA
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is December (3.03").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in September
Marblehead, MA

Average rainfall days in September - Marblehead, MA
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in September
Marblehead, MA

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

The month with the highest snowfall is February (4.06").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Marblehead, MA

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

The month with the highest number of snowfall days is January (8 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
Marblehead, MA

Average sea temperature in September - Marblehead, MA
  • Average sea temperature in September: 62.7°F

The best month for swimming (with the highest average sea temperature) is August (66.4°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
Marblehead, MA

Average daylight in September / Average sunshine in September - Marblehead, 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 6min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in September
Marblehead, MA

Average sunshine days in September - Marblehead, MA
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (13.3 days).

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Average UV index in September
Marblehead, MA

Average UV index in September - Marblehead, 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
Marblehead, MA

Average cloud cover in September - Marblehead, MA
  • Average cloud cover in September: 35

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Marblehead, MA

Average visibility in September - Marblehead, 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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Marblehead, Massachusetts, USA

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