September weather forecastSnow, OK
September
Weather in September
September, the first month of the autumn in Snow, is also a hot month, with an average temperature varying between 65.5°F (18.6°C) and 86.4°F (30.2°C).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 92.8°F (33.8°C) in August to a still hot 86.4°F (30.2°C). Throughout September, the temperature falls to an average low of 65.5°F (18.6°C).Heat index
September's heat index is appraised at a very hot 95°F (35°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
The average relative humidity in September is 69%.Rainfall
In Snow, in September, during 12.8 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Snow, Oklahoma, during the entire year, the rain falls for 149.7 days and collects up to 37.6" (955mm) of precipitation.Snowfall
In Snow, Oklahoma, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:55 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:06 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in September leads to these recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Snow, OK
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Snow, 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 (29.91"Hg).
Average wind speed in September
Snow, OK
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Snow, OK
- Average humidity in September: 69%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Snow, OK
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is May (5.12").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in September
Snow, OK
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in September
Snow, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Snow, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Snow, OK
- Average daylight in September: 12h and 24min
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 54min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Snow, OK
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in September
Snow, OK
- Average UV index in September: 6
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
Snow, OK
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Snow, 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).





