September weather forecast and climate
Conway, NH

Weather in September

The first month of the autumn, September, is still a pleasant month in Conway, New Hampshire, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 69.1°F (20.6°C).

Temperature

In Conway, the average high-temperature slightly decreases, from a warm 76.5°F (24.7°C) in August, to a pleasant 69.1°F (20.6°C). In Conway, in September, the average low-temperature is 48°F (8.9°C).

Humidity

In September, the average relative humidity in Conway is 79%.

Rainfall

September is the month with the least rainfall in Conway. Rain falls for 10.4 days and accumulates 1.42" (36mm) of precipitation.

Snowfall

In Conway snow does not fall in June through September.

Daylight

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

Sunshine

In September, the average sunshine in Conway is 8.5h.

UV index

In Conway, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Conway?

The average relative humidity in September in Conway, New Hampshire, is 79%.

What is the driest month in Conway?

The month with the least rainfall in Conway is September when the rain falls for 10.4 days and typically collects 1.42" (36mm) of precipitation.

How many days does it rain in September in Conway?

In Conway, in September, during 10.4 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow in Conway?

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

Does it snow in Conway in September?

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

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

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

How many hours of sunshine does Conway have in September?

In Conway, the average sunshine in September is 8.5h.

How high is the UV index in September in Conway?

In September, the average daily maximum UV index in Conway, New Hampshire, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Conway, NH

Average temperature in September - Conway, NH
  • Average high temperature in September: 69.1°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.7°F).

  • Average low temperature in September: 48°F

The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

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Average pressure in September
Conway, NH

Average pressure in September - Conway, 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
Conway, NH

Average wind speed in September - Conway, NH
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is January (6.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Conway, NH

Average humidity in September - Conway, NH
  • Average humidity in September: 79%

Months with the highest relative humidity are January and February (86%).
Months with the lowest relative humidity are May and November (77%).

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Average rainfall in September
Conway, NH

Average rainfall in September - Conway, NH
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in September
Conway, NH

Average rainfall days in September - Conway, NH
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in September
Conway, NH

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

The month with the highest snowfall is February (11.5").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Conway, NH

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

The month with the highest number of snowfall days is February (14.5 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
Conway, NH

Average daylight in September / Average sunshine in September - Conway, 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: 8.5h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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Average sunshine days in September
Conway, NH

Average sunshine days in September - Conway, NH
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (10.6 days).

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Average UV index in September
Conway, NH

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

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

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Average cloud cover in September
Conway, NH

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

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

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Average visibility in September
Conway, NH

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

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

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