September weather forecastLangston, OK
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Langston, Oklahoma, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 84.6°F (29.2°C).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's tropical 92.7°F (33.7°C) to a warm 84.6°F (29.2°C). Nightly temperatures in Langston drop to an average low of 65.1°F (18.4°C) in September.Heat index
For most parts of September, the heat index is estimated at a tropical 89.6°F (32°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. 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 particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In Langston, the average relative humidity in September is 66%.Rainfall
In Langston, Oklahoma, during September, the rain falls for 11.7 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 108.5 rainfall days, and 18.39" (467mm) of precipitation is accumulated.Snowfall
In Langston, snow does not fall in April through October.Daylight
In Langston, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:13 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Langston, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Undertake precautions - Guarding against sun damage is counselled. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Langston, OK
- Average high temperature in September: 84.6°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 (47.7°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in September
Langston, 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).
Average wind speed in September
Langston, OK
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Langston, OK
- Average humidity in September: 66%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Langston, OK
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in September
Langston, OK
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Langston, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Langston, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Langston, OK
- Average daylight in September: 12h and 24min
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 48min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Langston, OK
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is May (15.2 days).
Average UV index in September
Langston, OK
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Langston, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Langston, 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).





