September weather forecast
Mesa, MS

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Weather in September

The first month of the autumn, September, is also a hot month in Mesa, Mississippi, with an average temperature fluctuating between 87.1°F (30.6°C) and 68.4°F (20.2°C).

Temperature

As September takes its course, Mesa's average high-temperature registers at a still hot 87.1°F (30.6°C), closely aligning with the preceding month. Mesa's average low-temperature during September nights is observed to be a pleasant 68.4°F (20.2°C).

Heat index

September's mean heat index is evaluated at a sweltering 102.2°F (39°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. 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 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Mesa, in September, during 16.9 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, in Mesa, there are 174 rainfall days, and 34.29" (871mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Mesa.

Daylight

In September, the average length of the day in Mesa is 12h and 20min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:23 pm. On the last day of September, in Mesa, sunrise is at 6:54 am and sunset at 6:46 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

The average daily maximum UV index in September in Mesa is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Fend off overexposure. Sun protection is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Mesa?

The high-temperature, in September, in Mesa, is 87.1°F (30.6°C), while the low-temperature averages to 68.4°F (20.2°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in September is evaluated at 102.2°F (39°C).

What is the average humidity in September in Mesa?

The average relative humidity in September in Mesa, Mississippi, is 77%.

How much does it rain in Mesa in September?

In Mesa, in September, during 16.9 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow in Mesa?

In Mesa, Mississippi, snow does not fall in April through November.

How many hours of daylight does Mesa have in September?

In September, the average day length in Mesa, Mississippi, is 12h and 20min.

When is the sunrise / sunset in September in Mesa?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:23 pm. On the last day of the month, in Mesa, Mississippi, sunrise is at 6:54 am and sunset at 6:46 pm CDT.

How long on average sun shines in September in Mesa?

In Mesa, Mississippi, the average sunshine duration in September is 9.3h.

What is the UV index reading in September in Mesa?

In September, the average daily maximum UV index in Mesa is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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
Mesa, MS

Average temperature in September - Mesa, MS
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in September: 68.4°F

The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in September
Mesa, MS

Average pressure in September - Mesa, 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
Mesa, MS

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

The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in September
Mesa, MS

Average humidity in September - Mesa, MS
  • Average humidity in September: 77%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Mesa, MS

Average rainfall in September - Mesa, MS
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in September
Mesa, MS

Average rainfall days in September - Mesa, MS
  • Average rainfall days in September: 16.9 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in September
Mesa, MS

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

The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Mesa, MS

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

The month with the highest number of snowfall days is January (0.5 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
Mesa, MS

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

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in September
Mesa, MS

Average sunshine days in September - Mesa, MS
  • Average sunshine days in September: 11.2 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.5 days).

Average UV index in September
Mesa, MS

Average UV index in September - Mesa, MS
  • Average UV index in September: 6

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
Mesa, MS

Average cloud cover in September - Mesa, MS
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in September
Mesa, MS

Average visibility in September - Mesa, 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).

Mesa, Mississippi, USA

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