September weather forecastMcAdams, MS
September
Weather in September
The first month of the autumn, September, is still a hot month in McAdams, Mississippi, with an average temperature varying between 66.4°F (19.1°C) and 86.2°F (30.1°C).Temperature
As McAdams welcomes September, the average high-temperature is noted at a still hot 86.2°F (30.1°C), closely aligning with the preceding month. The average temperature during September nights in McAdams, Mississippi, is registered at a refreshing 66.4°F (19.1°C).Heat index
September's mean heat index is computed to be a fiery hot 96.8°F (36°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.When assessing, remember that heat index measurements are for light winds and shaded spots. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. 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. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In September, the average relative humidity is 73%.Rainfall
In McAdams, in September, it is raining for 13 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, in McAdams, there are 158.8 rainfall days, and 35.43" (900mm) of precipitation is accumulated.Snowfall
In McAdams, Mississippi, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:33 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:44 pm CDT.
Sunshine
The average sunshine in September in McAdams is 9.6h.UV index
In McAdams, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McAdams, MS
- Average high temperature in September: 86.2°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 (52.3°F).
- Average low temperature in September: 66.4°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in September
McAdams, MS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
McAdams, MS
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are February, March and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
McAdams, MS
- Average humidity in September: 73%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
McAdams, MS
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is February (3.58").
The driest month (with the least rainfall) is November (2.05").
Average rainfall days in September
McAdams, MS
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in September
McAdams, MS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
McAdams, MS
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.2 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
McAdams, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
McAdams, MS
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (10 days).
Average UV index in September
McAdams, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
McAdams, MS
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in September
McAdams, MS
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
