September weather forecast
Booneville, MS

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Weather in September

The weather in September in Booneville, Mississippi, signals the arrival of fall. Most notably, the temperatures begin a retreat, dropping to a more manageable average high of 84.7°F (29.3°C). With fall's advent, there are fewer sunlit hours per day, leading to the commencement of cooler evenings. The changing weather combined with reduced cloud cover offers perfectly mild and dry conditions. As autumn advances, October brings additional changes, including precision drops in temperatures and shorter days.

Temperature

September's average high-temperature stands at a warm 84.7°F (29.3°C), showing little deviation from August's 90.1°F (32.3°C). An average minimum temperature of 64.6°F (18.1°C) marks the month of September.

Heat index

For most parts of September, the heat index is calculated to be a tropical 93.2°F (34°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important 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.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In September, in Booneville, the rain falls for 12.7 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. In Booneville, during the entire year, the rain falls for 158.6 days and collects up to 32.95" (837mm) of precipitation.

Snowfall

In Booneville, snow does not fall in April through October.

Daylight

In Booneville, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:39 pm CDT.

Sunshine

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

UV index

In Booneville, Mississippi, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

How hot is it in Booneville in September?

The average high-temperature and low-temperature in Booneville, Mississippi, during September are 84.7°F (29.3°C) and 64.6°F (18.1°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 93.2°F (34°C).

What is the average humidity in September in Booneville?

In Booneville, the average relative humidity in September is 73%.

How much does it rain in Booneville in September?

In Booneville, during September, the rain falls for 12.7 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Booneville?

April through October are months without snowfall.

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

In Booneville, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Booneville?

On the first day of September in Booneville, Mississippi, sunrise is at 6:27 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:39 pm CDT.

How many hours of sunshine does Booneville have in September?

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

How high is the UV index in September in Booneville?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Booneville, MS

Average temperature in September - Booneville, MS
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (48.4°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (34°F).

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Average pressure in September
Booneville, MS

Average pressure in September - Booneville, MS
  • Average pressure in September: 30.01"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).

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Average wind speed in September
Booneville, MS

Average wind speed in September - Booneville, MS
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in September
Booneville, MS

Average humidity in September - Booneville, MS
  • Average humidity in September: 73%

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Booneville, MS

Average rainfall in September - Booneville, MS
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is February (3.94").
The driest month (with the least rainfall) is November (1.85").

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Average rainfall days in September
Booneville, MS

Average rainfall days in September - Booneville, MS
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in September
Booneville, MS

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

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Booneville, MS

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

The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Booneville, MS

Average sunshine days in September - Booneville, MS
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in September
Booneville, MS

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

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

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Average cloud cover in September
Booneville, MS

Average cloud cover in September - Booneville, MS
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in September
Booneville, MS

Average visibility in September - Booneville, MS
  • Average visibility in September: 6mi

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

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Booneville, Mississippi, USA

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