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
September's onset in Guymon introduces a mild reduction in the average high-temperature, from a tropical 91.9°F (33.3°C) in August to a warm 84.4°F (29.1°C). The mean low-temperature during September nights is a refreshing 63°F (17.2°C).Heat index
The average heat index in September is estimated at a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in September is 50%.Rainfall
In Guymon, in September, it is raining for 9.9 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 88.2 rainfall days, and 13.39" (340mm) of precipitation is accumulated.Snowfall
In Guymon, snow does not fall in May through September.Daylight
In Guymon, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:13 pm. On the last day of September, in Guymon, sunrise is at 7:40 am and sunset at 7:30 pm CDT.
Sunshine
In Guymon, Oklahoma, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 6 transforms into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. 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
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Guymon have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Guymon have in September?
What is the UV index reading in September?
Average temperature in September
Guymon, OK
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (72.1°F).
The coldest months (with the lowest average low temperature) are January and December (28.9°F).
Average pressure in September
Guymon, OK
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in September
Guymon, OK
- Average wind speed in September: 12.1mph
The windiest month (with the highest average wind speed) is June (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).
Average humidity in September
Guymon, OK
- Average humidity in September: 50%
The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is June (44%).
Average rainfall in September
Guymon, OK
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is November (0.35").
Average rainfall days in September
Guymon, OK
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in September
Guymon, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Guymon, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 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
Guymon, OK
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Guymon, OK
- Average sunshine days in September: 17 days
The month with the most sunshine days is January (25.5 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Guymon, 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
Guymon, OK
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Guymon, 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).
Guymon, Oklahoma, USA
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