September weather forecast
Center Harbor, NH

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Weather in September

The first month of the autumn, September, is also an agreeable month in Center Harbor, New Hampshire, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 68.9°F (20.5°C).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's warm 76.6°F (24.8°C) to a pleasant 68.9°F (20.5°C). Throughout the month of September, Center Harbor witnesses an average low-temperature of 49.1°F (9.5°C).

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 11.7 days and typically collects 1.81" (46mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Center Harbor is 12h and 29min.
On the first day of the month, sunrise is at 6:10 am and sunset at 7:21 pm. On the last day of September, in Center Harbor, New Hampshire, sunrise is at 6:43 am and sunset at 6:28 pm EDT.

Sunshine

In September, the average sunshine in Center Harbor is 8.3h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: During September, 3 as the daily maximum UV index converts into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Center Harbor?

In Center Harbor, in September, the average high-temperature is 68.9°F (20.5°C), and the average low-temperature is 49.1°F (9.5°C).

What is the average humidity in September in Center Harbor?

The average relative humidity in September is 80%.

What is the driest month in Center Harbor?

September is the month with the least rainfall in Center Harbor, New Hampshire. Rain falls for 11.7 days and accumulates 1.81" (46mm) of precipitation.

How much does it rain in Center Harbor in September?

In Center Harbor, New Hampshire, in September, it is raining for 11.7 days, with typically 1.81" (46mm) of accumulated precipitation.

When it does not snow in Center Harbor?

In Center Harbor, snow does not fall in June through September.

Does it snow in Center Harbor in September?

In Center Harbor, New Hampshire, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Center Harbor?

The average day length in September in Center Harbor, New Hampshire, is 12h and 29min.

When is the sunrise / sunset in September in Center Harbor?

On the first day of September, sunrise is at 6:10 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:28 pm EDT.

How many hours of sunshine does Center Harbor have in September?

In Center Harbor, the average sunshine duration in September is 8.3h.

What is the UV index reading in September in Center Harbor?

In September, the average daily maximum UV index is 3. A UV Index 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
Center Harbor, NH

Average temperature in September - Center Harbor, 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 (25.7°F).

  • Average low temperature in September: 49.1°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 (12.6°F).

Average pressure in September
Center Harbor, NH

Average pressure in September - Center Harbor, 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).

Average wind speed in September
Center Harbor, NH

Average wind speed in September - Center Harbor, NH
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in September
Center Harbor, NH

Average humidity in September - Center Harbor, NH
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (76%).

Average rainfall in September
Center Harbor, NH

Average rainfall in September - Center Harbor, NH
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in September
Center Harbor, NH

Average rainfall days in September - Center Harbor, NH
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (9.4 days).

Average snowfall in September
Center Harbor, NH

Average snowfall in September - Center Harbor, NH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (9.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Center Harbor, NH

Average snowfall days in September - Center Harbor, NH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Center Harbor, NH

Average daylight in September / Average sunshine in September - Center Harbor, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in September
Center Harbor, NH

Average sunshine days in September - Center Harbor, NH
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is March (10.6 days).

Average UV index in September
Center Harbor, NH

Average UV index in September - Center Harbor, 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 January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Center Harbor, NH

Average cloud cover in September - Center Harbor, NH
  • Average cloud cover in September: 40

The months with the most cloud cover are February and March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Center Harbor, NH

Average visibility in September - Center Harbor, NH
  • Average visibility in September: 4mi

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

Center Harbor, New Hampshire, USA

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