September weather forecast
Locust Grove, OK

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Weather in September

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

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 90°F (32.2°C) in August to a moderately hot 82.9°F (28.3°C). The average low-temperature, in September, is an enjoyable 63°F (17.2°C).

Heat index

In September, the heat index is estimated at a hot 87.8°F (31°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

The average relative humidity in September is 71%.

Rainfall

In Locust Grove, 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

June through October are months without snowfall.

Daylight

In September, the average length of the day 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

The average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The average high-temperature, in September, in Locust Grove, is 82.9°F (28.3°C), while the average low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in September is estimated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 71%.

How much does it rain in September?

In September, the rain falls for 12.5 days. Throughout September, 3.07" (78mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Locust Grove have in September?

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

When is the sunrise / 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?

The average sunshine duration in September in Locust Grove is 9.3h.

What is the UV index intensity in September in Locust Grove?

In Locust Grove, the average daily maximum UV index in September is 5. A UV Index estimate 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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