Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Whittier's shift from August to September is accompanied by an average high-temperature of a still moderately hot 74.7°F (23.7°C), a slight deviation from 79.3°F (26.3°C). During September, Whittier records a consistent average nighttime temperature of 54.1°F (12.3°C).Humidity
The months with the highest humidity are May and September, with an average relative humidity of 81%.Rainfall
September is the month with the least rainfall. 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 in September is 12h and 23min.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.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Whittier in September?
What are the most humid months?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in Whittier in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Whittier have in September?
What is the UV index intensity in September?
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"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).
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%
The 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").
The 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
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).
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).
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
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).
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
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).
Whittier, North Carolina, USA
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