September weather forecast
Charlotte, AR

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Weather in September

The first month of the autumn, September, is still a warm month in Charlotte, Arkansas, with an average temperature fluctuating between 62.4°F (16.9°C) and 82.2°F (27.9°C).

Temperature

The arrival of September corresponds with a light shift in temperature, down from a tropical 88.7°F (31.5°C) in August to a moderately hot 82.2°F (27.9°C). In Charlotte, the average temperature during the nights of September drops to an enjoyable 62.4°F (16.9°C).

Heat index

During September, the heat index is appraised at a tropical 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Heat index determinations are made taking into account the shade and light air movements. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

The average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.81" (46mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 6:38 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:50 pm CDT.

Sunshine

The average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during September translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

September temperatures vary between a high-temperature of 82.2°F (27.9°C) and a low-temperature of 62.4°F (16.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 87.8°F (31°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.81" (46mm) of precipitation.

How many days does it rain in September?

In Charlotte, during September, the rain falls for 11.9 days and regularly aggregates up to 1.81" (46mm) of precipitation.

When it does not snow?

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

How many hours of daylight does Charlotte have in September?

The average day length in September is 12h and 23min.

What time are sunrise and sunset in September?

On the first day of September in Charlotte, sunrise is at 6:38 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:50 pm CDT.

How long on average sun shines in September?

In Charlotte, the average sunshine duration in September is 9.5h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from 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
Charlotte, AR

Average temperature in September - Charlotte, AR
  • Average high temperature in September: 82.2°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 (45°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September
Charlotte, AR

Average pressure in September - Charlotte, AR
  • 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 (29.93"Hg).

Average wind speed in September
Charlotte, AR

Average wind speed in September - Charlotte, AR
  • Average wind speed in September: 5.4mph

The windiest months (with the highest average wind speed) are January, February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Charlotte, AR

Average humidity in September - Charlotte, AR
  • Average humidity in September: 74%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Charlotte, AR

Average rainfall in September - Charlotte, AR
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in September
Charlotte, AR

Average rainfall days in September - Charlotte, AR
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is December (8.6 days).

Average snowfall in September
Charlotte, AR

Average snowfall in September - Charlotte, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Charlotte, AR

Average snowfall days in September - Charlotte, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Charlotte, AR

Average daylight in September / Average sunshine in September - Charlotte, AR
  • 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 48min).

  • Average sunshine in September: 9h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Charlotte, AR

Average sunshine days in September - Charlotte, AR
  • Average sunshine days in September: 16 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in September
Charlotte, AR

Average UV index in September - Charlotte, AR
  • Average UV index in September: 5

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

Average cloud cover in September
Charlotte, AR

Average cloud cover in September - Charlotte, AR
  • Average cloud cover in September: 29

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in September
Charlotte, AR

Average visibility in September - Charlotte, AR
  • 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).

Charlotte, Arkansas, USA

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