September weather forecast
Iuka, MS

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Weather in September

September in Iuka subtly signals the commencement of fall with a slight dip in temperatures. The daylight hours start to shrink dramatically, and the ephemeral increase in wind speed makes the weather appear cooler. Though the frequency of rainfall declines, humidity remains undeterred. The number of sunshine hours decreases marginally, which announces the gradual fading of summer. Average rainfall plummets to its lowest recording of 1.77" (45mm) for the year.

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's tropical 89.2°F (31.8°C) to a warm 83.8°F (28.8°C). In Iuka, the average temperature during the nights of September drops to a comfortable 63.7°F (17.6°C).

Heat index

September's mean heat index is calculated to be a tropical 91.4°F (33°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant 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's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in September in Iuka is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 1.77" (45mm) of precipitation.

Snowfall

April through October are months without snowfall in Iuka.

Daylight

In September, the average length of the day in Iuka is 12h and 23min.
On the first day of September, sunrise is at 6:26 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm CDT.

Sunshine

In Iuka, the average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Adopt protective measures - It is advised to guard against sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

How hot does it get in Iuka in September?

The average high-temperature, in September, in Iuka, is 83.8°F (28.8°C), while the average low-temperature is 63.7°F (17.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is calculated to be 91.4°F (33°C).

What is the average humidity in September in Iuka?

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

What is the driest month in Iuka?

The month with the least rainfall in Iuka, Mississippi, is September, when the rain falls for 13 days and typically collects 1.77" (45mm) of precipitation.

How much does it rain in Iuka in September?

In Iuka, in September, during 13 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in Iuka?

In Iuka, Mississippi, snow does not fall in April through October.

How many hours of daylight does Iuka have in September?

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

What time are sunrise and sunset in September in Iuka?

On the first day of September in Iuka, Mississippi, sunrise is at 6:26 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm CDT.

How long on average sun shines in September in Iuka?

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

How high is the UV index in September in Iuka?

In Iuka, Mississippi, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Iuka, MS

Average temperature in September - Iuka, MS
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (47.3°F).

  • Average low temperature in September: 63.7°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

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Average pressure in September
Iuka, MS

Average pressure in September - Iuka, 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
Iuka, MS

Average wind speed in September - Iuka, MS
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in September
Iuka, MS

Average humidity in September - Iuka, MS
  • Average humidity in September: 74%

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

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Average rainfall in September
Iuka, MS

Average rainfall in September - Iuka, MS
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in September
Iuka, MS

Average rainfall days in September - Iuka, MS
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9 days).

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Average snowfall in September
Iuka, MS

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

The month with the highest snowfall is February (0.28").
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
Iuka, MS

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

The months with the highest number of snowfall days are January and February (2.1 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
Iuka, MS

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

The month with the longest days is June (Average daylight: 14h and 30min).
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 December (Average sunshine: 4h and 36min).

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Average sunshine days in September
Iuka, MS

Average sunshine days in September - Iuka, MS
  • Average sunshine days in September: 15.6 days

The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is July (11 days).

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Average UV index in September
Iuka, MS

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

The month with the highest UV index is 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
Iuka, MS

Average cloud cover in September - Iuka, MS
  • Average cloud cover in September: 30

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

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Average visibility in September
Iuka, MS

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

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

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Iuka, Mississippi, USA

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