September weather forecast
Snell, MS

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Weather in September

The first month of the autumn, September, is also a hot month in Snell, Mississippi, with an average temperature varying between 67.1°F (19.5°C) and 87.8°F (31°C).

Temperature

With the arrival of September, Snell's average high-temperature registers at a still hot 87.8°F (31°C), indicating a subtle variation from the previous month. The month of September records an average low-temperature of 67.1°F (19.5°C).

Heat index

For most parts of September, the heat index is estimated at a sweltering 102.2°F (39°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Snell, in September, it is raining for 14.5 days, with typically 2.76" (70mm) of accumulated precipitation. In Snell, during the entire year, the rain falls for 165.6 days and collects up to 36.06" (916mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Snell, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:17 pm. On the last day of September, in Snell, sunrise is at 6:47 am and sunset at 6:39 pm CDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index in Snell is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Snell during September?

September temperatures vary between a high-temperature of 87.8°F (31°C) and a low-temperature of 67.1°F (19.5°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 102.2°F (39°C).

What is the average humidity in September in Snell?

In September, the average relative humidity in Snell, Mississippi, is 74%.

How many days does it rain in September in Snell?

In Snell, Mississippi, during September, the rain falls for 14.5 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow in Snell?

In Snell, snow does not fall in April through November.

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

In Snell, the average day length in September is 12h and 21min.

What time are sunrise and sunset in September in Snell?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:17 pm. On the last day of the month, in Snell, Mississippi, sunrise is at 6:47 am and sunset at 6:39 pm CDT.

How many hours of sunshine does Snell have in September?

In Snell, the average sunshine duration in September is 8.8h.

What is the UV index reading in September in Snell?

In Snell, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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
Snell, MS

Average temperature in September - Snell, MS
  • Average high temperature in September: 87.8°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 (55°F).

  • Average low temperature in September: 67.1°F

The months with the highest average low temperature are July and August (71.8°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

Average pressure in September
Snell, MS

Average pressure in September - Snell, 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
Snell, MS

Average wind speed in September - Snell, MS
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in September
Snell, MS

Average humidity in September - Snell, 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 (71%).

Average rainfall in September
Snell, MS

Average rainfall in September - Snell, MS
  • Average rainfall in September: 2.76"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in September
Snell, MS

Average rainfall days in September - Snell, MS
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8 days).

Average snowfall in September
Snell, MS

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

The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Snell, MS

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

The months with the highest number of snowfall days are January and December (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
Snell, MS

Average daylight in September / Average sunshine in September - Snell, 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: 8h and 5min

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

Average sunshine days in September
Snell, MS

Average sunshine days in September - Snell, MS
  • Average sunshine days in September: 14.1 days

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in September
Snell, MS

Average UV index in September - Snell, MS
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Snell, MS

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in September
Snell, MS

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

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

Snell, Mississippi, USA

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