September weather forecastMagna Vista, MS
September
Weather in September
September, the first month of the autumn in Magna Vista, is still a hot month, with temperature in the range of an average low of 67.8°F (19.9°C) and an average high of 86.9°F (30.5°C).Temperature
September registers an average high-temperature of a still hot 86.9°F (30.5°C), slightly varied from August's 90.3°F (32.4°C). In September, Magna Vista encounters an average low-temperature of 67.8°F (19.9°C) during the night.Heat index
The heat index value for September is evaluated at a torrid 98.6°F (37°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In Magna Vista, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.85" (47mm) of precipitation.Snowfall
April through December are months without snowfall in Magna Vista, Mississippi.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:39 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine is 10.1h.UV index
In Magna Vista, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Magna Vista, MS
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.1°F).
- Average low temperature in September: 67.8°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in September
Magna Vista, 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
Magna Vista, MS
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Magna Vista, MS
- Average humidity in September: 72%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Magna Vista, MS
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Magna Vista, MS
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Magna Vista, MS
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Magna Vista, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 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
Magna Vista, 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: 10h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Magna Vista, MS
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in September
Magna Vista, 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
Magna Vista, MS
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Magna Vista, 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).





