September weather forecast
South Newbury, NH

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Weather in September

The first month of the autumn, September, is still a pleasant month in South Newbury, New Hampshire, with an average temperature fluctuating between 68.9°F (20.5°C) and 49.6°F (9.8°C).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 76.5°F (24.7°C) in August to a pleasant 68.9°F (20.5°C). Throughout September, the average low-temperature records at a chilly 49.6°F (9.8°C).

Humidity

The average relative humidity in September in South Newbury is 80%.

Rainfall

In South Newbury, in September, during 10.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in South Newbury, there are 121.9 rainfall days, and 13.58" (345mm) of precipitation is accumulated.

Snowfall

In South Newbury, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of the month, sunrise is at 6:12 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:30 pm EDT.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In September, the average daily maximum UV index in South Newbury, New Hampshire, is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, a regular UV index of 3 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What is the usual temperature for South Newbury in September?

During September, South Newbury experiences an average high-temperature of 68.9°F (20.5°C) and a low-temperature of 49.6°F (9.8°C).

What is the average humidity in September in South Newbury?

In September, the average relative humidity in South Newbury is 80%.

How much does it rain in South Newbury in September?

In South Newbury, during September, the rain falls for 10.1 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When it does not snow in South Newbury?

June through September are months without snowfall in South Newbury, New Hampshire.

Does it snow in South Newbury in September?

In South Newbury, New Hampshire, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does South Newbury have in September?

In South Newbury, New Hampshire, the average day length in September is 12h and 29min.

When are sunrise and sunset in September in South Newbury?

In September, on the first day of the month, sunrise is at 6:12 am and sunset at 7:22 pm. On the last day of the month, in South Newbury, sunrise is at 6:45 am and sunset at 6:30 pm EDT.

How many hours of sunshine does South Newbury have in September?

In South Newbury, the average sunshine duration in September is 8.2h.

What is the UV index reading in September in South Newbury?

In September, the average daily maximum UV index in South Newbury, New Hampshire, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
South Newbury, NH

Average temperature in September - South Newbury, NH
  • Average high temperature in September: 68.9°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in September: 49.6°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in September
South Newbury, NH

Average pressure in September - South Newbury, NH
  • 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 (29.91"Hg).

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Average wind speed in September
South Newbury, NH

Average wind speed in September - South Newbury, NH
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
South Newbury, NH

Average humidity in September - South Newbury, NH
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in September
South Newbury, NH

Average rainfall in September - South Newbury, NH
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in September
South Newbury, NH

Average rainfall days in September - South Newbury, NH
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in September
South Newbury, NH

Average snowfall in September - South Newbury, NH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
South Newbury, NH

Average snowfall days in September - South Newbury, NH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
South Newbury, NH

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in September
South Newbury, NH

Average sunshine days in September - South Newbury, NH
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is April (12.9 days).

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Average UV index in September
South Newbury, NH

Average UV index in September - South Newbury, NH
  • Average UV index in September: 3

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

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Average cloud cover in September
South Newbury, NH

Average cloud cover in September - South Newbury, NH
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in September
South Newbury, NH

Average visibility in September - South Newbury, NH
  • Average visibility in September: 4mi

The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).

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South Newbury, New Hampshire, USA

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