September weather forecast
Polkville, MS

Weather in September

The first month of the autumn, September, is also a hot month in Polkville, Mississippi, with an average temperature varying between 67.1°F (19.5°C) and 86.9°F (30.5°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still tropical 86.9°F (30.5°C). The average low-temperature, in September, is 67.1°F (19.5°C).

Heat index

The average heat index in September is evaluated at a torrid 98.6°F (37°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Polkville, it is raining for 14.9 days, with typically 2.95" (75mm) of accumulated precipitation. In Polkville, during the entire year, the rain falls for 170.7 days and collects up to 39.37" (1000mm) of precipitation.

Snowfall

In Polkville, Mississippi, snow does not fall in March through November.

Daylight

The average length of the day in September is 12h and 21min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:45 pm CDT.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In Polkville, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Polkville?

In Polkville, Mississippi, in September, the average high-temperature is 86.9°F (30.5°C), and the average low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 98.6°F (37°C).

What is the average humidity in September in Polkville?

The average relative humidity in September is 73%.

How many days does it rain in September in Polkville?

In Polkville, Mississippi, in September, during 14.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow in Polkville?

In Polkville, Mississippi, snow does not fall in March through November.

How many hours of daylight does Polkville have in September?

The average day length in September in Polkville, Mississippi, is 12h and 21min.

When is the sunrise / sunset in September in Polkville?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:23 pm. On the last day of the month, in Polkville, Mississippi, sunrise is at 6:52 am and sunset at 6:45 pm CDT.

How many hours of sunshine does Polkville have in September?

In September, the average sunshine duration in Polkville is 9.6h.

What is the UV index reading in September in Polkville?

In Polkville, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Polkville, MS

Average temperature in September - Polkville, MS
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

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Average pressure in September
Polkville, MS

Average pressure in September - Polkville, 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).

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Average wind speed in September
Polkville, MS

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

The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in September
Polkville, MS

Average humidity in September - Polkville, 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 (70%).

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Average rainfall in September
Polkville, MS

Average rainfall in September - Polkville, MS
  • Average rainfall in September: 2.95"

The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is November (2.28").

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Average rainfall days in September
Polkville, MS

Average rainfall days in September - Polkville, MS
  • Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in September
Polkville, MS

Average snowfall in September - Polkville, 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 and November (0").

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Average snowfall days in September
Polkville, MS

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

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Polkville, MS
  • Average daylight in September: 12h and 21min

The month with the longest days is June (Average daylight: 14h and 14min).
The month with the shortest days is December (Average daylight: 10h and 5min).

  • Average sunshine in September: 9h and 36min

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).

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Average sunshine days in September
Polkville, MS

Average sunshine days in September - Polkville, MS
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (8.3 days).

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Average UV index in September
Polkville, MS

Average UV index in September - Polkville, 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).

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Average cloud cover in September
Polkville, MS

Average cloud cover in September - Polkville, 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).

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Average visibility in September
Polkville, MS

Average visibility in September - Polkville, 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).

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