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
With September's onset, the weather reveals a slight temperature decrease, transitioning from a tropical 93°F (33.9°C) in August to a warm 84.7°F (29.3°C). September nights experience a consistent temperature drop to an enjoyable 66°F (18.9°C).Heat index
The average heat index in September is evaluated at a tropical 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Realize that the values for the heat index are set for shaded places and light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In Hopeton, the average relative humidity in September is 59%.Rainfall
In Hopeton, in September, during 11.7 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 105.5 rainfall days, and 18.11" (460mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:19 pm CDT.
Sunshine
In Hopeton, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get 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?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Hopeton have in September?
What is the UV index reading in September?
Average temperature in September
Hopeton, OK
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Hopeton, 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 (29.85"Hg).
Average wind speed in September
Hopeton, OK
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity in September
Hopeton, OK
- Average humidity in September: 59%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is July (53%).
Average rainfall in September
Hopeton, OK
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are January, February, November and December (0.63").
Average rainfall days in September
Hopeton, OK
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Hopeton, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hopeton, 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
Hopeton, 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 1min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Hopeton, OK
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is September (15.5 days).
Average UV index in September
Hopeton, OK
- Average UV index in September: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Hopeton, OK
- Average cloud cover in September: 22
The months with the most cloud cover are March and April (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Hopeton, 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).
Hopeton, Oklahoma, USA
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