September weather forecastBasic, MS
September
Weather in September
September, the first month of the autumn in Basic, is also a hot month, with an average temperature varying between 67.1°F (19.5°C) and 86.9°F (30.5°C).Temperature
Basic in September witnesses an average high-temperature of a still hot 86.9°F (30.5°C), indicating a slight variation from August's 91.2°F (32.9°C). September brings with it a nighttime average temperature of 67.1°F (19.5°C).Heat index
The heat index in September is appraised at a torrid 98.6°F (37°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In Basic, the average relative humidity in September is 74%.Rainfall
In Basic, during September, the rain falls for 13.9 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 158.9 rainfall days, and 31.57" (802mm) of precipitation is accumulated.Snowfall
In Basic, snow does not fall in March through October.Daylight
In Basic, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:40 pm CDT.
Sunshine
In Basic, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in Basic is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. 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
Average temperature in September
Basic, MS
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54.5°F).
- Average low temperature in September: 67.1°F
The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Basic, 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
Basic, MS
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Basic, MS
- Average humidity in September: 74%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Basic, MS
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in September
Basic, MS
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Basic, MS
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Basic, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 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
Basic, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Basic, MS
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in September
Basic, MS
- Average UV index in September: 6
The months with the highest UV index are 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
Basic, MS
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Basic, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are May, July and September (5mi).
