September weather forecastFay, OK
September
Weather in September
The first month of the autumn, September, is still a warm month in Fay, Oklahoma, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 66°F (18.9°C).Temperature
Fay's transition into September involves a gentle shift in temperature, receding from a tropical 93.2°F (34°C) in August to a moderately hot 84.6°F (29.2°C). Fay observes an average nighttime low-temperature of 66°F (18.9°C) during the month of September.Heat index
The heat index for September is calculated to be a tropical 89.6°F (32°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The average relative humidity in September is 62%.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 104.4 rainfall days, and 18.86" (479mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Fay, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:19 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fay, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Fay, 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 (29.86"Hg).
Average wind speed in September
Fay, OK
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in September
Fay, OK
- Average humidity in September: 62%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Fay, OK
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.54").
The driest months (with the least rainfall) are January, February, November and December (0.83").
Average rainfall days in September
Fay, OK
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in September
Fay, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Fay, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fay, OK
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are November and December (Average sunshine: 6h and 24min).
Average sunshine days in September
Fay, OK
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in September
Fay, 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
Fay, OK
- Average cloud cover in September: 25
The months with the most cloud cover are March and April (Cloud cover 34).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in September
Fay, 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).





