September weather forecastBrandon, MS
September
Weather in September
September in Brandon, Mississippi witnesses the arrival of cooler autumn temperatures, a relief from the sweltering summer. Lower humidity values and cooling temperatures facilitate outdoor activities minus the excessive summer heat. Importantly, this month observes the lowest annual rainfall of 1.89" (48mm). Yet, the visual environment remains green due to the consistent rain from summer months. Transitioning into October, expect weather conditions to continue the cooling trend.Temperature
As Brandon transitions from August to September, the average high-temperatures adjust to a still hot 87.3°F (30.7°C), nearly the same as the previous 91.8°F (33.2°C). During September, Brandon sees a mean low-temperature of 67.5°F (19.7°C).Heat index
September's average heat index is computed to be a fiery hot 100.4°F (38°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.The standards for the heat index are set for locations in shade and under light breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
The average relative humidity in September is 73%.Rainfall
In Brandon, during September, the rain falls for 11.9 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Brandon, during the entire year, the rain falls for 152.1 days and collects up to 29.72" (755mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
In Brandon, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 6:35 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:45 pm CDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brandon, MS
- Average high temperature in September: 87.3°F
The warmest months (with the highest average high temperature) are July and August (91.8°F).
The month with the lowest average high temperature is January (54.7°F).
- Average low temperature in September: 67.5°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in September
Brandon, 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
Brandon, MS
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in September
Brandon, MS
- Average humidity in September: 73%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Brandon, MS
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (1.81").
Average rainfall days in September
Brandon, MS
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in September
Brandon, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Brandon, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1 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
Brandon, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Brandon, MS
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Brandon, 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
Brandon, MS
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Brandon, 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).
