September weather forecast
Fay, OK

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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.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The high-temperature during September is 84.6°F (29.2°C) and the low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In Fay, the average relative humidity in September is 62%.

How much does it rain in September?

In September, the rain falls for 10.5 days. Throughout September, 1.81" (46mm) of precipitation is accumulated.

When it does not snow?

In Fay, snow does not fall in May through September.

Does it snow in September?

In Fay, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Fay?

In Fay, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:07 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:19 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.9h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Fay, OK

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

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 5min

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 - 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 - 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 - 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 - 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).

Fay, Oklahoma, USA

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