September weather forecast
Rainey, MS

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Weather in September

September, the first month of the autumn in Rainey, is also a hot month, with an average temperature ranging between min 68°F (20°C) and max 87.6°F (30.9°C).

Temperature

Rainey's average high-temperature in September is a still tropical 87.6°F (30.9°C), indicating a subtle variation from August. An average low-temperature of 68°F (20°C) is anticipated throughout the nights in Rainey during September.

Heat index

The heat index in September is estimated at a torrid 102.2°F (39°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. 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 are especially crucial for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Rainey, the average relative humidity in September is 76%.

Rainfall

In Rainey, during September, the rain falls for 15.2 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, in Rainey, there are 166.2 rainfall days, and 34.88" (886mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Rainey, Mississippi, the average length of the day in September is 12h and 21min.
On the first day of September in Rainey, sunrise is at 6:33 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:43 pm CDT.

Sunshine

In September, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in September in Rainey, Mississippi, is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

How hot does it get in Rainey in September?

The average high-temperature and low-temperature in Rainey during September are 87.6°F (30.9°C) and 68°F (20°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in September is estimated at 102.2°F (39°C).

What is the average humidity in September in Rainey?

In September, the average relative humidity in Rainey is 76%.

How much does it rain in Rainey in September?

In Rainey, Mississippi, during September, the rain falls for 15.2 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When it does not snow in Rainey?

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

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

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

When is the sunrise / sunset in September in Rainey?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:20 pm. On the last day of the month, in Rainey, sunrise is at 6:51 am and sunset at 6:43 pm CDT.

How many hours of sunshine does Rainey have in September?

In September, the average sunshine duration in Rainey, Mississippi, is 9.1h.

How high is the UV index in September in Rainey?

In Rainey, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
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
Rainey, MS

Average temperature in September - Rainey, MS
  • Average high temperature in September: 87.6°F

The warmest month (with the highest average high temperature) is August (91.6°F).
The month with the lowest average high temperature is January (56.7°F).

  • Average low temperature in September: 68°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).

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Average pressure in September
Rainey, MS

Average pressure in September - Rainey, MS
  • Average pressure in September: 29.99"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).

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Average wind speed in September
Rainey, MS

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

The windiest months (with the highest average wind speed) are January, February and April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in September
Rainey, MS

Average humidity in September - Rainey, MS
  • Average humidity in September: 76%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Rainey, MS

Average rainfall in September - Rainey, MS
  • Average rainfall in September: 2.72"

The wettest month (with the highest rainfall) is July (4.13").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in September
Rainey, MS

Average rainfall days in September - Rainey, MS
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.6 days).

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Average snowfall in September
Rainey, MS

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

The month with the highest snowfall is December (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Rainey, MS

Average snowfall days in September - Rainey, 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, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Rainey, 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: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in September
Rainey, MS

Average sunshine days in September - Rainey, MS
  • Average sunshine days in September: 12.4 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (7.3 days).

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Average UV index in September
Rainey, MS

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

The months with the highest UV index are June, July and August (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
Rainey, MS

Average cloud cover in September - Rainey, MS
  • Average cloud cover in September: 32

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

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Average visibility in September
Rainey, MS

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

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

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Rainey, Mississippi, USA

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