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
September's onset brings a negligible change in high-temperatures, falling from a hot 87.4°F (30.8°C) in August to a moderately hot 81.7°F (27.6°C). Throughout September, Casar witnesses a nighttime temperature average of 60.6°F (15.9°C).Heat index
For September, the heat index is estimated at a hot 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in September is 74%.Rainfall
In September, in Casar, North Carolina, the rain falls for 11.1 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. In Casar, during the entire year, the rain falls for 128.8 days and collects up to 12.83" (326mm) of precipitation.Snowfall
April through October are months without snowfall in Casar, North Carolina.Daylight
In Casar, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:59 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:11 pm EDT.
Sunshine
In Casar, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Casar is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Casar?
What is the average humidity in September in Casar?
How many days does it rain in September in Casar?
When it does not snow in Casar?
How many hours of daylight does Casar have in September?
When are sunrise and sunset in September in Casar?
How many hours of sunshine does Casar have in September?
What is the UV index reading in September in Casar?
Average temperature in September
Casar, NC
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Casar, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Casar, NC
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Casar, NC
- Average humidity in September: 74%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Casar, NC
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are March and November (0.71").
Average rainfall days in September
Casar, NC
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in September
Casar, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Casar, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Casar, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Casar, NC
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Casar, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Casar, NC
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in September
Casar, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Casar, North Carolina, USA
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