Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The commencement of September involves a temperature shift, with the average high-temperature dropping from a hot 94.3°F (34.6°C) in August to a warm 84.9°F (29.4°C). During the nights in September, the temperature averages to an enjoyable 65.8°F (18.8°C).Heat index
For September, the heat index is computed to be a tropical 89.6°F (32°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In September, the average relative humidity is 63%.Rainfall
In Gracemont, during September, the rain falls for 12.2 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Gracemont, during the entire year, the rain falls for 110.3 days and collects up to 20.87" (530mm) of precipitation.Snowfall
May through October are months without snowfall in Gracemont.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:17 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September in Gracemont?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Gracemont, OK
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The months with the lowest average high temperature are January and December (50°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in September
Gracemont, OK
- Average pressure in September: 29.97"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
Gracemont, OK
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Gracemont, OK
- Average humidity in September: 63%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Gracemont, OK
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days in September
Gracemont, OK
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Gracemont, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Gracemont, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Gracemont, 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 4min
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 12min).
Average sunshine days in September
Gracemont, OK
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is January (25.1 days).
The months with the least sunshine days are May and September (15.3 days).
Average UV index in September
Gracemont, 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
Gracemont, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Gracemont, 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).
Gracemont, Oklahoma, USA
Weather forecast for your location
2. Allow the app to use your location