September weather forecast
Sanbornville, NH

Weather in September

The first month of the autumn, September, is also an agreeable month in Sanbornville, New Hampshire, with average temperature fluctuating between 50.2°F (10.1°C) and 69.8°F (21°C).

Temperature

In Sanbornville, New Hampshire, the average high-temperature marginally drops, from a warm 77.2°F (25.1°C) in August, to a pleasant 69.8°F (21°C). The average low-temperature,, is 50.2°F (10.1°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.9 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

In Sanbornville snow does not fall in June through September.

Daylight

In Sanbornville, the average length of the day is 12.5h.

Sunshine

The average sunshine in September is 8.2h.

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 the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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.
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FAQ

What is the average humidity in September in Sanbornville?

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

What is the driest month in Sanbornville?

The month with the least rainfall is September when the rain falls for 10.9 days and typically collects 1.54" (39mm) of precipitation.

How much does it rain in Sanbornville in September?

In Sanbornville, in September, it is raining for 10.9 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Sanbornville?

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

Does it snow in Sanbornville in September?

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

How many hours of daylight does Sanbornville have in September?

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

How many hours of sunshine does Sanbornville have in September?

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

How high is the UV index in September in Sanbornville?

The average daily maximum UV index in September in Sanbornville, New Hampshire, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Sanbornville, NH

Average temperature in September - Sanbornville, NH
  • Average high temperature in September: 69.8°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 (27.7°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

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Average pressure in September
Sanbornville, NH

Average pressure in September - Sanbornville, NH
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in September
Sanbornville, NH

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

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in September
Sanbornville, NH

Average humidity in September - Sanbornville, NH
  • Average humidity in September: 80%

Months with the highest relative humidity are January and February (85%).
Months with the lowest relative humidity are April and November (77%).

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Average rainfall in September
Sanbornville, NH

Average rainfall in September - Sanbornville, NH
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Sanbornville, NH

Average rainfall days in September - Sanbornville, NH
  • Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in September
Sanbornville, NH

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

The month with the highest snowfall is February (9.72").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Sanbornville, NH

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

The month with the highest number of snowfall days is February (11.5 days).
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
Sanbornville, NH

Average daylight in September / Average sunshine in September - Sanbornville, 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: 8.2h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in September
Sanbornville, NH

Average sunshine days in September - Sanbornville, NH
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in September
Sanbornville, NH

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

Months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in September
Sanbornville, NH

Average cloud cover in September - Sanbornville, NH
  • Average cloud cover in September: 38

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in September
Sanbornville, NH

Average visibility in September - Sanbornville, NH
  • Average visibility in September: 5mi

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

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