September weather forecast and climate
Whittier, NC

September, the first month of the autumn, in Whittier, is also a moderately hot month, with average temperature ranging between max 74.7°F (23.7°C) and min 54.1°F (12.3°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a still warm 74.7°F (23.7°C). In September, in Whittier, the average low-temperature is 54.1°F (12.3°C).

Humidity

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

Rainfall

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

Snowfall

In Whittier snow does not fall in May through September.

Daylight

In Whittier, the average length of the day is 12.4h.

Sunshine

In September, the average sunshine in Whittier is 8.1h.

UV index

The average daily maximum UV index in Whittier is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Whittier?

In Whittier, in September, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 54.1°F (12.3°C).

What is the most humid month in Whittier?

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

What is the average humidity in September in Whittier?

In Whittier, North Carolina, the average relative humidity in September is 81%.

How much does it rain in Whittier in September?

In Whittier, North Carolina, during September, the rain falls for 16.2 days and regularly aggregates up to 2.56" (65mm) of precipitation.

What is the driest month in Whittier?

The month with the least rainfall in Whittier is September when the rain falls for 16.2 days and typically collects 2.56" (65mm) of precipitation.

Does it snow in Whittier in September?

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

When it does not snow in Whittier?

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

How many hours of daylight does Whittier have in September?

In September, the average length of the day is 12.4h.

How many hours of sunshine does Whittier have in September?

In September, the average sunshine in Whittier, North Carolina, is 8.1h.

What is the UV index intensity in September in Whittier?

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

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

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

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).

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

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

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").

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).

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

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

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

Months with the highest number of snowfall days are January and February (5.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Whittier, NC
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 8.1h

The month with the most sunshine is June (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 5.2h).

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).

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

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

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).

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

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).