September weather forecast
Whittier, NC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Whittier, North Carolina, with an average temperature fluctuating between 74.7°F (23.7°C) and 54.1°F (12.3°C).

Temperature

At the start of September, Whittier's average high-temperature reaches a still warm 74.7°F (23.7°C), subtly different from the preceding month. Throughout September, an average low-temperature of 54.1°F (12.3°C) is expected.

Humidity

May and September, with an average relative humidity of 81%, are the most humid months.

Rainfall

September is the month with the least rainfall. Rain falls for 16.2 days and accumulates 2.56" (65mm) of precipitation.

Snowfall

May through September are months without snowfall in Whittier.

Daylight

In Whittier, the average length of the day in September is 12h and 23min.
On the first day of September in Whittier, sunrise is at 7:06 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:18 pm EDT.

Sunshine

In September, the average sunshine is 8.1h.

UV index

In September, the average daily maximum UV index in Whittier is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the temperature in September in Whittier?

Whittier in September has an average high-temperature of 74.7°F (23.7°C) and an average low-temperature of 54.1°F (12.3°C).

What are the most humid months in Whittier?

May and September, with an average relative humidity of 81%, are most humid months in Whittier.

What is the average humidity in September in Whittier?

The average relative humidity in September is 81%.

What is the driest month in Whittier?

September is the month with the least rainfall. Rain falls for 16.2 days and accumulates 2.56" (65mm) of precipitation.

How much does it rain in Whittier in September?

In September, in Whittier, the rain falls for 16.2 days. Throughout September, 2.56" (65mm) of precipitation is accumulated.

When it does not snow in Whittier?

In Whittier, snow does not fall in May through September.

Does it snow in Whittier in September?

In Whittier, North Carolina, in September, it doesn't snow. In October, it regularly snows.

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

In September, the average day length in Whittier is 12h and 23min.

What time are sunrise and sunset in September in Whittier?

On the first day of September, sunrise is at 7:06 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:18 pm EDT.

How long on average sun shines in September in Whittier?

The average sunshine duration in September is 8.1h.

How high is the UV index in September in Whittier?

In Whittier, North Carolina, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Whittier, NC

Average temperature in September - Whittier, NC
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (42.6°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in September
Whittier, NC

Average pressure in September - Whittier, NC
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in September
Whittier, NC

Average wind speed in September - Whittier, NC
  • Average wind speed in September: 3.4mph

The windiest months (with the highest average wind speed) are January, February and April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.1mph).

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Average humidity in September
Whittier, NC

Average humidity in September - Whittier, NC
  • Average humidity in September: 81%

The months with the highest relative humidity are May and September (81%).
The month with the lowest relative humidity is November (77%).

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Average rainfall in September
Whittier, NC

Average rainfall in September - Whittier, NC
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is July (4.33").
The driest month (with the least rainfall) is September (2.56").

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Average rainfall days in September
Whittier, NC

Average rainfall days in September - Whittier, NC
  • Average rainfall days in September: 16.2 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (10.7 days).

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Average snowfall in September
Whittier, NC

Average snowfall in September - Whittier, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (2.95").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Whittier, NC

Average snowfall days in September - Whittier, NC
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (5.3 days).
The 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
Whittier, NC

Average daylight in September / Average sunshine in September - Whittier, NC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in September
Whittier, NC

Average sunshine days in September - Whittier, NC
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in September
Whittier, NC

Average UV index in September - Whittier, NC
  • Average UV index in September: 4

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 and December (UV index 2).

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Average cloud cover in September
Whittier, NC

Average cloud cover in September - Whittier, NC
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 37).

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Average visibility in September
Whittier, NC

Average visibility in September - Whittier, NC
  • Average visibility in September: 4mi

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

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Whittier, North Carolina, USA

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