September weather forecast
Locust Grove, OK

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Weather in September

The first month of the autumn, September, is still a warm month in Locust Grove, Oklahoma, with an average temperature fluctuating between 63°F (17.2°C) and 82.9°F (28.3°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a hot 90°F (32.2°C) in August to a warm 82.9°F (28.3°C). An average nighttime temperature of 63°F (17.2°C) is noted during the month of September.

Heat index

In September, the average heat index is calculated to be a tropical 87.8°F (31°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in September is 71%.

Rainfall

In Locust Grove, Oklahoma, during September, the rain falls for 12.5 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 142.1 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

In Locust Grove, snow does not fall in June through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:52 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:05 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 5 in September translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

Is it hot during September?

An average high-temperature, in September, in Locust Grove, is 82.9°F (28.3°C) and the average low-temperature is 63°F (17.2°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 71%.

How much does it rain in September?

In Locust Grove, Oklahoma, in September, it is raining for 12.5 days, with typically 3.07" (78mm) of accumulated precipitation.

When it does not snow?

In Locust Grove, snow does not fall in June through October.

What is the average length of the day in September in Locust Grove?

In Locust Grove, the average day length in September is 12h and 24min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:52 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:05 pm CDT.

How long on average sun shines in September?

In Locust Grove, the average sunshine duration in September is 9.3h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents 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
Locust Grove, OK

Average temperature in September - Locust Grove, OK
  • Average high temperature in September: 82.9°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in September: 63°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in September
Locust Grove, OK

Average pressure in September - Locust Grove, OK
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Locust Grove, OK

Average wind speed in September - Locust Grove, OK
  • Average wind speed in September: 7.2mph

The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in September
Locust Grove, OK

Average humidity in September - Locust Grove, OK
  • Average humidity in September: 71%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are August and October (69%).

Average rainfall in September
Locust Grove, OK

Average rainfall in September - Locust Grove, OK
  • Average rainfall in September: 3.07"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is February (1.54").

Average rainfall days in September
Locust Grove, OK

Average rainfall days in September - Locust Grove, OK
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (7 days).

Average snowfall in September
Locust Grove, OK

Average snowfall in September - Locust Grove, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Locust Grove, OK

Average snowfall days in September - Locust Grove, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Locust Grove, OK

Average daylight in September / Average sunshine in September - Locust Grove, 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: 9h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
Locust Grove, OK

Average sunshine days in September - Locust Grove, OK
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in September
Locust Grove, OK

Average UV index in September - Locust Grove, OK
  • Average UV index in September: 5

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

Average cloud cover in September
Locust Grove, OK

Average cloud cover in September - Locust Grove, OK
  • Average cloud cover in September: 26

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Locust Grove, OK

Average visibility in September - Locust Grove, 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).

Locust Grove, Oklahoma, USA

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