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
McRae marks the start of September with an average high-temperature of a still tropical 87.6°F (30.9°C), hinting at a slight fluctuation from August's 90.7°F (32.6°C). In McRae, September nights cool down to an average of 69.4°F (20.8°C).Heat index
The average heat index in September is estimated at a sweltering 102.2°F (39°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in McRae, there are 161.6 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In McRae, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:31 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in McRae?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
McRae, AL
- Average high temperature in September: 87.6°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in September: 69.4°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure in September
McRae, AL
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
McRae, AL
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
McRae, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are May and October (70%).
Average rainfall in September
McRae, AL
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in September
McRae, AL
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
McRae, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
McRae, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
McRae, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
McRae, AL
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is August (7.7 days).
Average UV index in September
McRae, AL
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
McRae, AL
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
McRae, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February, March and December (5mi).
McRae, Alabama, USA
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