September weather forecast and climate
Tilton, NH

Weather in September

The first month of the autumn, September, is still a pleasant month in Tilton, New Hampshire, with average temperature varying between 49.8°F (9.9°C) and 69.8°F (21°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 77.9°F (25.5°C) in August, to a pleasant 69.8°F (21°C). The average low-temperature, in September, is 49.8°F (9.9°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

In Tilton snow does not fall in June through September.

Daylight

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

Sunshine

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

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 temperature in September in Tilton?

The average high-temperature, in September, in Tilton, is 69.8°F (21°C), while the average low-temperature is 49.8°F (9.9°C).

What is the average humidity in September in Tilton?

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

How much does it rain in Tilton in September?

In Tilton, in September, during 11.1 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

What is the driest month in Tilton?

The month with the least rainfall is September when the rain falls for 11.1 days and typically collects 1.77" (45mm) of precipitation.

Does it snow in Tilton in September?

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

When it does not snow in Tilton?

June through September are months without snowfall in Tilton.

How many hours of daylight does Tilton have in September?

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

How long on average sun shines in September in Tilton?

The average sunshine in September in Tilton is 8.2h.

How high is the UV index in September in Tilton?

The average daily maximum UV index in September in Tilton is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Tilton, NH

Average temperature in September - Tilton, NH
  • Average high temperature in September: 69.8°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in September: 49.8°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in September
Tilton, NH

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

The month with the highest atmospheric pressure is November (30.07").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in September
Tilton, NH

Average wind speed in September - Tilton, NH
  • Average wind speed in September: 4.9mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Tilton, NH

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

Months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in September
Tilton, NH

Average rainfall in September - Tilton, NH
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in September
Tilton, NH

Average rainfall days in September - Tilton, NH
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (6.6 days).

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Average snowfall in September
Tilton, NH

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

The month with the highest snowfall is February (8.78").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Tilton, NH

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

The month with the highest number of snowfall days is January (11.4 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
Tilton, NH

Average daylight in September / Average sunshine in September - Tilton, 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: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.2h).

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Average sunshine days in September
Tilton, NH

Average sunshine days in September - Tilton, NH
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is March (12.5 days).

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Average UV index in September
Tilton, NH

Average UV index in September - Tilton, NH
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in September
Tilton, NH

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

Months with the most cloud cover are February and March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in September
Tilton, NH

Average visibility in September - Tilton, NH
  • Average visibility in September: 4mi

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

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