September weather forecast
Alcorn, OK

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Alcorn, Oklahoma, with an average temperature varying between 64.4°F (18°C) and 83.5°F (28.6°C).

Temperature

The shift from August to September includes a small decrease in the average high-temperature, from a hot 91.6°F (33.1°C) to a moderately hot 83.5°F (28.6°C). In Alcorn, in September, the average low-temperature is a comfortable 64.4°F (18°C).

Heat index

The heat index value during September is appraised at a hot 87.8°F (31°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. 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 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to 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.

Humidity

In Alcorn, the average relative humidity in September is 65%.

Rainfall

In Alcorn, in September, during 11.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 116.1 rainfall days, and 21.57" (548mm) of precipitation is accumulated.

Snowfall

In Alcorn, snow does not fall in April through September.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September in Alcorn, sunrise is at 7:01 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:13 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Alcorn, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 in September translates into these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

Is it hot in Alcorn during September?

The average high-temperature, in September, in Alcorn, is 83.5°F (28.6°C), while the average low-temperature is 64.4°F (18°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is appraised at 87.8°F (31°C).

What is the average humidity in September in Alcorn?

The average relative humidity in September in Alcorn, Oklahoma, is 65%.

How many days does it rain in September in Alcorn?

In Alcorn, Oklahoma, during September, the rain falls for 11.8 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow in Alcorn?

In Alcorn, snow does not fall in April through September.

Does it snow in Alcorn in September?

In Alcorn, Oklahoma, in September, it doesn't snow. In October, it regularly snows.

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

The average day length in September in Alcorn, Oklahoma, is 12h and 24min.

When is the sunrise / sunset in September in Alcorn?

On the first day of September in Alcorn, Oklahoma, sunrise is at 7:01 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:13 pm CDT.

How many hours of sunshine does Alcorn have in September?

The average sunshine duration in September is 8.7h.

What is the UV index reading in September in Alcorn?

In Alcorn, Oklahoma, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Alcorn, OK

Average temperature in September - Alcorn, OK
  • Average high temperature in September: 83.5°F

The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in September: 64.4°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in September
Alcorn, OK

Average pressure in September - Alcorn, OK
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Alcorn, OK

Average wind speed in September - Alcorn, OK
  • Average wind speed in September: 8.9mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in September
Alcorn, OK

Average humidity in September - Alcorn, OK
  • Average humidity in September: 65%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).

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Average rainfall in September
Alcorn, OK

Average rainfall in September - Alcorn, OK
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").

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Average rainfall days in September
Alcorn, OK

Average rainfall days in September - Alcorn, OK
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in September
Alcorn, OK

Average snowfall in September - Alcorn, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
Alcorn, OK

Average snowfall days in September - Alcorn, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Alcorn, OK

Average daylight in September / Average sunshine in September - Alcorn, OK
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).

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Average sunshine days in September
Alcorn, OK

Average sunshine days in September - Alcorn, OK
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).

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Average UV index in September
Alcorn, OK

Average UV index in September - Alcorn, OK
  • Average UV index in September: 5

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 2).

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Average cloud cover in September
Alcorn, OK

Average cloud cover in September - Alcorn, OK
  • Average cloud cover in September: 25

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in September
Alcorn, OK

Average visibility in September - Alcorn, OK
  • 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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Alcorn, Oklahoma, USA

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