September weather forecast
Okolona, MS

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Okolona, Mississippi, with an average temperature varying between 85.3°F (29.6°C) and 65.3°F (18.5°C).

Temperature

During September, Okolona records an average high-temperature of a moderately hot 85.3°F (29.6°C), marking a slight divergence from August's 90.5°F (32.5°C). The nighttime temperature, during September, averages of 65.3°F (18.5°C).

Heat index

During September, the heat index is computed to be a fiery hot 95°F (35°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. 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. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In September, the average relative humidity is 72%.

Rainfall

In Okolona, during September, the rain falls for 9.4 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, in Okolona, there are 122.9 rainfall days, and 13.23" (336mm) of precipitation is accumulated.

Snowfall

In Okolona, snow does not fall in March through November.

Daylight

In September, the average length of the day in Okolona is 12h and 22min.
On the first day of September, sunrise is at 6:29 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:40 pm CDT.

Sunshine

In September, the average sunshine in Okolona is 9.4h.

UV index

In September, the average daily maximum UV index in Okolona is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

Is it hot in Okolona during September?

The high-temperature, in September, in Okolona, records 85.3°F (29.6°C), while the low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is computed to be 95°F (35°C).

What is the average humidity in September in Okolona?

The average relative humidity in September in Okolona is 72%.

How many days does it rain in September in Okolona?

In September, in Okolona, the rain falls for 9.4 days. Throughout September, 0.67" (17mm) of precipitation is accumulated.

When it does not snow in Okolona?

March through November are months without snowfall in Okolona.

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

In Okolona, the average day length in September is 12h and 22min.

When is the sunrise / sunset in September in Okolona?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:20 pm. On the last day of the month, in Okolona, sunrise is at 6:49 am and sunset at 6:40 pm CDT.

How many hours of sunshine does Okolona have in September?

The average sunshine duration in September in Okolona, Mississippi, is 9.4h.

What is the UV index intensity in September in Okolona?

In Okolona, Mississippi, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium 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
Okolona, MS

Average temperature in September - Okolona, MS
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

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Average pressure in September
Okolona, MS

Average pressure in September - Okolona, MS
  • Average pressure in September: 30"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
Okolona, MS

Average wind speed in September - Okolona, MS
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in September
Okolona, MS

Average humidity in September - Okolona, MS
  • Average humidity in September: 72%

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Okolona, MS

Average rainfall in September - Okolona, MS
  • Average rainfall in September: 0.67"

The wettest month (with the highest rainfall) is July (1.57").
The driest month (with the least rainfall) is November (0.59").

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Average rainfall days in September
Okolona, MS

Average rainfall days in September - Okolona, MS
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.4 days).

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Average snowfall in September
Okolona, MS

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

The month with the highest snowfall is February (0.12").
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
Okolona, MS

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

The month with the highest number of snowfall days is February (0.9 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
Okolona, MS

Average daylight in September / Average sunshine in September - Okolona, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in September
Okolona, MS

Average sunshine days in September - Okolona, MS
  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (13.8 days).

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Average UV index in September
Okolona, MS

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Okolona, MS

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

The months with the most cloud cover are February and December (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 29).

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Average visibility in September
Okolona, MS

Average visibility in September - Okolona, 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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Okolona, Mississippi, USA

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