September weather forecast
Wolfeboro, NH

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A long wooden pier on the water, docking point for small boats and yachts on Lake Winnipesaukee in Wolfeboro, New Hampshire
A long wooden pier on the water, docking point for small boats and yachts on Lake Winnipesaukee in Wolfeboro, New Hampshire

Weather in September

September unveils the changing face of Wolfeboro as the tranquil, warm summer segues into the vivid, crisp autumn. The town, bathed in fall colors, offers a mesmerizing display of reds, yellows, and oranges as leaves change color. The beginning of fall in September is marked with a decrease in the average high temperature to 69.6°F (20.9°C), along with the continued absence of snowfall. As temperatures get comfortable and the autumn foliage takes center stage, September promises breathtaking outdoor vistas. The atmospheric pressure shows a slight increase, offering clear, blue skies for most of the month.

Temperature

As August makes way for September, Wolfeboro's average high-temperature eases from a moderately hot 77.2°F (25.1°C) to a pleasant 69.6°F (20.9°C). Nighttime temperature in Wolfeboro, New Hampshire, dips to a mean of 49.6°F (9.8°C) during September.

Humidity

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

Rainfall

The month with the least rainfall in Wolfeboro is September, when the rain falls for 10.8 days and typically collects 1.61" (41mm) of precipitation.

Snowfall

In Wolfeboro, 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 September in Wolfeboro, sunrise is at 6:09 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:27 pm EDT.

Sunshine

In Wolfeboro, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 3 during September translates into the following guidance:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the average September temperature in Wolfeboro?

During September, Wolfeboro experiences an average high-temperature of 69.6°F (20.9°C) and a low-temperature of 49.6°F (9.8°C).

What is the average humidity in September in Wolfeboro?

In September, the average relative humidity is 80%.

What is the driest month in Wolfeboro?

The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.61" (41mm) of precipitation.

How many days does it rain in September in Wolfeboro?

In Wolfeboro, in September, during 10.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow in Wolfeboro?

In Wolfeboro, New Hampshire, snow does not fall in June through September.

Does it snow in Wolfeboro in September?

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

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

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

When is the sunrise / sunset in September in Wolfeboro?

On the first day of September in Wolfeboro, sunrise is at 6:09 am and sunset at 7:19 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 in Wolfeboro?

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

What is the UV index reading in September in Wolfeboro?

In Wolfeboro, New Hampshire, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
Wolfeboro, NH

Average temperature in September - Wolfeboro, NH
  • Average high temperature in September: 69.6°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in September: 49.6°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in September
Wolfeboro, NH

Average pressure in September - Wolfeboro, 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).

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Average wind speed in September
Wolfeboro, NH

Average wind speed in September - Wolfeboro, NH
  • Average wind speed in September: 4.8mph

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in September
Wolfeboro, NH

Average humidity in September - Wolfeboro, 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 (76%).

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Average rainfall in September
Wolfeboro, NH

Average rainfall in September - Wolfeboro, NH
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in September
Wolfeboro, NH

Average rainfall days in September - Wolfeboro, NH
  • Average rainfall days in September: 10.8 days

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

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Average snowfall in September
Wolfeboro, NH

Average snowfall in September - Wolfeboro, NH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wolfeboro, NH

Average snowfall days in September - Wolfeboro, NH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.2 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
Wolfeboro, NH

Average daylight in September / Average sunshine in September - Wolfeboro, 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: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in September
Wolfeboro, NH

Average sunshine days in September - Wolfeboro, NH
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.4 days).

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Average UV index in September
Wolfeboro, NH

Average UV index in September - Wolfeboro, NH
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in September
Wolfeboro, NH

Average cloud cover in September - Wolfeboro, NH
  • Average cloud cover in September: 39

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in September
Wolfeboro, NH

Average visibility in September - Wolfeboro, 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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Wolfeboro, New Hampshire, USA

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