September weather forecast
North Sandwich, NH

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Weather in September

September, the first month of the autumn in North Sandwich, is also an enjoyable month, with an average temperature fluctuating between 66.2°F (19°C) and 47.5°F (8.6°C).

Temperature

North Sandwich's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's agreeable 73°F (22.8°C) to a comfortable 66.2°F (19°C). In North Sandwich, the average nighttime temperature during September is a chilly 47.5°F (8.6°C).

Humidity

In North Sandwich, the average relative humidity in September is 81%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.2 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

In North Sandwich, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 30min.
On the first day of September, sunrise is at 6:09 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:27 pm EDT.

Sunshine

The average sunshine in September is 7.7h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during September translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

An average high-temperature, in September, in North Sandwich, is 66.2°F (19°C) and the average low-temperature is 47.5°F (8.6°C).

What is the average humidity in September?

In North Sandwich, the average relative humidity in September is 81%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 9.2 days and typically collects 0.71" (18mm) of precipitation.

How much does it rain in September?

In North Sandwich, in September, it is raining for 9.2 days, with typically 0.71" (18mm) of accumulated precipitation.

When it does not snow?

In North Sandwich, snow does not fall in June through September.

Does it snow in September?

In North Sandwich, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does North Sandwich have in September?

In September, the average day length is 12h and 30min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:09 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:27 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 7.7h.

What is the UV index reading in September in North Sandwich?

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
North Sandwich, NH

Average temperature in September - North Sandwich, NH
  • Average high temperature in September: 66.2°F

The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in September: 47.5°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).

Average pressure in September
North Sandwich, NH

Average pressure in September - North Sandwich, NH
  • 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 (29.91"Hg).

Average wind speed in September
North Sandwich, NH

Average wind speed in September - North Sandwich, NH
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
North Sandwich, NH

Average humidity in September - North Sandwich, NH
  • Average humidity in September: 81%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (78%).

Average rainfall in September
North Sandwich, NH

Average rainfall in September - North Sandwich, NH
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in September
North Sandwich, NH

Average rainfall days in September - North Sandwich, NH
  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in September
North Sandwich, NH

Average snowfall in September - North Sandwich, NH
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
North Sandwich, NH

Average snowfall days in September - North Sandwich, NH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
North Sandwich, NH

Average daylight in September / Average sunshine in September - North Sandwich, NH
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in September
North Sandwich, NH

Average sunshine days in September - North Sandwich, NH
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (10.7 days).

Average UV index in September
North Sandwich, NH

Average UV index in September - North Sandwich, NH
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in September
North Sandwich, NH

Average cloud cover in September - North Sandwich, NH
  • Average cloud cover in September: 46

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in September
North Sandwich, NH

Average visibility in September - North Sandwich, NH
  • Average visibility in September: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).

North Sandwich, New Hampshire, USA

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