September weather forecast
Bristerville, MS

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Weather in September

September, the first month of the autumn in Bristerville, is still a hot month, with temperature in the range of an average high of 86.7°F (30.4°C) and an average low of 68°F (20°C).

Temperature

September's weather displays an average high-temperature of a still tropical 86.7°F (30.4°C), slightly varied from August's 90.3°F (32.4°C). Bristerville registers a consistent average low-temperature of 68°F (20°C) during September.

Heat index

For most parts of September, the heat index is computed to be a torrid 100.4°F (38°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in September in Bristerville is 78%.

Rainfall

In Bristerville, in September, during 16 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 151.2 rainfall days, and 17.8" (452mm) of precipitation is accumulated.

Snowfall

February, April through November are months without snowfall in Bristerville.

Daylight

In Bristerville, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:47 pm CDT.

Sunshine

In Bristerville, the average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index in Bristerville is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, the UV index of 6 transforms into the following advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Bristerville?

The average high-temperature, in September, in Bristerville, is 86.7°F (30.4°C), while the average low-temperature is 68°F (20°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 100.4°F (38°C).

What is the average humidity in September in Bristerville?

The average relative humidity in September is 78%.

How many days does it rain in September in Bristerville?

In Bristerville, in September, it is raining for 16 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in Bristerville?

February, April through November are months without snowfall.

What is the average length of the day in September in Bristerville?

The average day length in September in Bristerville is 12h and 21min.

When are sunrise and sunset in September in Bristerville?

On the first day of September in Bristerville, Mississippi, sunrise is at 6:37 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:47 pm CDT.

How many hours of sunshine does Bristerville have in September?

In Bristerville, the average sunshine duration in September is 9.2h.

How high is the UV index in September in Bristerville?

In September, the average daily maximum UV index in Bristerville is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average max. wind speed
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bristerville, MS

Average temperature in September - Bristerville, MS
  • Average high temperature in September: 86.7°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (56.7°F).

  • Average low temperature in September: 68°F

The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

Average pressure in September
Bristerville, MS

Average pressure in September - Bristerville, MS
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in September
Bristerville, MS

Average wind speed in September - Bristerville, MS
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in September
Bristerville, MS

Average humidity in September - Bristerville, MS
  • Average humidity in September: 78%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Bristerville, MS

Average rainfall in September - Bristerville, MS
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is November (0.79").

Average rainfall days in September
Bristerville, MS

Average rainfall days in September - Bristerville, MS
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (6.9 days).

Average snowfall in September
Bristerville, MS

Average snowfall in September - Bristerville, MS
  • Average snowfall in September: 0"

The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Bristerville, MS

Average snowfall days in September - Bristerville, MS
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Bristerville, MS

Average daylight in September / Average sunshine in September - Bristerville, MS
  • Average daylight in September: 12h and 2min

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 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in September
Bristerville, MS

Average sunshine days in September - Bristerville, MS
  • Average sunshine days in September: 11.9 days

The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in September
Bristerville, MS

Average UV index in September - Bristerville, 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
Bristerville, MS

Average cloud cover in September - Bristerville, MS
  • Average cloud cover in September: 35

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in September
Bristerville, MS

Average visibility in September - Bristerville, MS
  • Average visibility in September: 5mi

The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).

Bristerville, Mississippi, USA

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