September weather forecast and climate
New Hampton, NH

The first month of the autumn, September, is also an agreeable month in New Hampton, New Hampshire, with average temperature fluctuating between 68.9°F (20.5°C) and 49.1°F (9.5°C).

Temperature

In September, the average high-temperature slightly decreases, from a warm 76.6°F (24.8°C) in August, to a pleasant 68.9°F (20.5°C). In New Hampton, the average low-temperature is 49.1°F (9.5°C).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.81" (46mm) of precipitation.

Snowfall

In New Hampton snow does not fall in June through September.

Daylight

In New Hampton, the average length of the day in September is 12.5h.

Sunshine

In New Hampton, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in New Hampton?

In New Hampton, 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 New Hampton?

In New Hampton, New Hampshire, the average relative humidity in September is 80%.

How many days does it rain in September in New Hampton?

In New Hampton, New Hampshire, in September, during 11.7 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

What is the driest month in New Hampton?

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

Does it snow in New Hampton in September?

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

When it does not snow in New Hampton?

In New Hampton snow does not fall in June through September.

What is the average length of the day in September in New Hampton?

The average length of the day in September is 12.5h.

How long on average sun shines in September in New Hampton?

The average sunshine in September is 8.3h.

What is the UV index intensity in September in New Hampton?

In September, the average daily maximum UV index in New Hampton, New Hampshire, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - New Hampton, NH
  • Average high temperature in September: 20.5°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-3.5°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is January (-10.8°C).

Average pressure in September - New Hampton, NH
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1012.9mbar).

Average wind speed in September - New Hampton, NH
  • Average wind speed in September: 7.6km/h

The windiest month (with the highest average wind speed) is January (11.2km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

Average humidity in September - New Hampton, NH
  • Average humidity in September: 80%

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

Average rainfall in September - New Hampton, NH
  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is October (81mm).
The driest month (with the least rainfall) is September (46mm).

Average rainfall days in September - New Hampton, 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 - New Hampton, NH
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (246mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - New Hampton, NH
  • Average snowfall days in September: 0 days

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

Average daylight in September / Average sunshine in September - New Hampton, NH
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 8.3h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.1h).

Average sunshine days in September - New Hampton, 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 - New Hampton, NH
  • Average UV index in September: 3

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

Average cloud cover in September - New Hampton, NH
  • Average cloud cover in September: 40

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 - New Hampton, NH
  • Average visibility in September: 7km

Months with the highest visibility are April, May, June, July, August, October, November and December (8km).
Months with the lowest visibility are January, February, March and September (7km).