September weather forecast
Randlett, OK

Share

Weather in September

The first month of the autumn, September, is also a hot month in Randlett, Oklahoma, with temperature in the range of an average low of 68.4°F (20.2°C) and an average high of 87.3°F (30.7°C).

Temperature

As September commences, the average high-temperature shows a reduction, transitioning from a torrid 97.2°F (36.2°C) in August to a tropical 87.3°F (30.7°C). Throughout September, an average nighttime temperature of 68.4°F (20.2°C) is experienced.

Heat index

The heat index value for September is computed to be a tropical 93.2°F (34°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in September is 60%.

Rainfall

In Randlett, in September, it is raining for 13 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 111 rainfall days, and 22.24" (565mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Randlett, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 7:07 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:18 pm CDT.

Sunshine

In Randlett, Oklahoma, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

In September, in Randlett, the average high-temperature is 87.3°F (30.7°C), and the average low-temperature is 68.4°F (20.2°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in September is computed to be 93.2°F (34°C).

What is the average humidity in September?

The average relative humidity in September is 60%.

How many days does it rain in September?

In September, the rain falls for 13 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in Randlett?

May through October are months without snowfall.

What is the average length of the day in September?

The average day length in September is 12h and 22min.

When are sunrise and sunset in September in Randlett?

On the first day of September, sunrise is at 7:07 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:18 pm CDT.

How many hours of sunshine does Randlett have in September?

The average sunshine duration in September in Randlett is 8.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Randlett, OK

Average temperature in September - Randlett, OK
  • Average high temperature in September: 87.3°F

The warmest month (with the highest average high temperature) is August (97.2°F).
The month with the lowest average high temperature is December (52.9°F).

  • Average low temperature in September: 68.4°F

The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in September
Randlett, OK

Average pressure in September - Randlett, OK
  • Average pressure in September: 29.96"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).

Average wind speed in September
Randlett, OK

Average wind speed in September - Randlett, OK
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).

Average humidity in September
Randlett, OK

Average humidity in September - Randlett, OK
  • Average humidity in September: 60%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (50%).

Average rainfall in September
Randlett, OK

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

The wettest month (with the highest rainfall) is May (3.62").
The driest months (with the least rainfall) are January and February (0.94").

Average rainfall days in September
Randlett, OK

Average rainfall days in September - Randlett, OK
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in September
Randlett, OK

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

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Randlett, OK

Average snowfall days in September - Randlett, OK
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in September
Randlett, OK

Average sunshine days in September - Randlett, OK
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is January (25 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in September
Randlett, OK

Average UV index in September - Randlett, OK
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Randlett, OK

Average cloud cover in September - Randlett, OK
  • Average cloud cover in September: 27

The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in September
Randlett, OK

Average visibility in September - Randlett, 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).

Randlett, Oklahoma, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location