September weather forecast and climate
Colt, AR

Weather in September

The first month of the autumn, September, is still a warm month in Colt, Arkansas, with average temperature fluctuating between 83.3°F (28.5°C) and 64.9°F (18.3°C).

Temperature

In September, the average high-temperature is almost the same as in August - a moderately hot 83.3°F (28.5°C). In Colt, Arkansas, the average low-temperature is 64.9°F (18.3°C).

Heat index

In September, the average heat index is appraised at a tropical 90°F (32.2°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, differences in body mass, height, and shape, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Colt, the average relative humidity is 73%.

Rainfall

The month with the least rainfall in Colt is September when the rain falls for 10.6 days and typically collects 0.75" (19mm) of precipitation.

Snowfall

In Colt, Arkansas, snow does not fall in April through September.

Daylight

In Colt, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in September is 9.7h.

UV index

The average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Colt?

The average high-temperature, in September, in Colt, is 83.3°F (28.5°C), while the average low-temperature is 64.9°F (18.3°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that represents influence of the relative humidity to air temperaure, is calculated to 90°F (32.2°C).

What is the average humidity in September in Colt?

The average relative humidity in September in Colt, Arkansas, is 73%.

How many days does it rain in September in Colt?

In September, in Colt, the rain falls for 10.6 days. Throughout September, 0.75" (19mm) of precipitation is accumulated.

What is the driest month in Colt?

September is the month with the least rainfall in Colt. Rain falls for 10.6 days and accumulates 0.75" (19mm) of precipitation.

Does it snow in Colt in September?

In Colt, Arkansas, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Colt?

April through September are months without snowfall in Colt.

How many hours of daylight does Colt have in September?

The average length of the day in September in Colt is 12.4h.

How long on average sun shines in September in Colt?

In Colt, the average sunshine in September is 9.7h.

What is the UV index reading in September in Colt?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Colt, AR

Average temperature in September - Colt, AR
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 64.9°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 (34.2°F).

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Average pressure in September
Colt, AR

Average pressure in September - Colt, AR
  • Average pressure in September: 30"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in September
Colt, AR

Average wind speed in September - Colt, AR
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in September
Colt, AR

Average humidity in September - Colt, AR
  • Average humidity in September: 73%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in September
Colt, AR

Average rainfall in September - Colt, AR
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is September (0.75").

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Average rainfall days in September
Colt, AR

Average rainfall days in September - Colt, AR
  • Average rainfall days in September: 10.6 days

Months with the highest number of rainy days are May, July and August (13.3 days).
The month with the least rainy days is November (7.4 days).

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Average snowfall in September
Colt, AR

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

The month with the highest snowfall is February (0.31").
Months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
Colt, AR

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

The month with the highest number of snowfall days is February (1.4 days).
Months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Colt, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 9.7h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in September
Colt, AR

Average sunshine days in September - Colt, AR
  • Average sunshine days in September: 17.4 days

Months with the most sunshine days are October and November (21.4 days).
The month with the least sunshine days is August (14.2 days).

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Average UV index in September
Colt, AR

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

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

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Average cloud cover in September
Colt, AR

Average cloud cover in September - Colt, AR
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in September
Colt, AR

Average visibility in September - Colt, AR
  • Average visibility in September: 6mi

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

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