September weather forecastAdams, OK
September
Weather in September
The first month of the autumn, September, is still a warm month in Adams, Oklahoma, with an average temperature varying between 84.7°F (29.3°C) and 63.9°F (17.7°C).Temperature
In September, the average high-temperature marginally drops from a tropical 91.9°F (33.3°C) in August to a warm 84.7°F (29.3°C). Adams, during September nights, observes an average temperature of 63.9°F (17.7°C).Heat index
For most parts of September, the heat index is appraised at a hot 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In September, the average relative humidity is 51%.Rainfall
In Adams, during September, the rain falls for 8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 83.3 rainfall days, and 11.61" (295mm) 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 7:16 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:28 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Adams, OK
- Average high temperature in September: 84.7°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 (48°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (73°F).
The coldest months (with the lowest average low temperature) are January and December (29.3°F).
Average pressure in September
Adams, OK
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Adams, OK
- Average wind speed in September: 12.2mph
The windiest months (with the highest average wind speed) are April and June (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).
Average humidity in September
Adams, OK
- Average humidity in September: 51%
The month with the highest relative humidity is December (57%).
The months with the lowest relative humidity are June and July (45%).
Average rainfall in September
Adams, OK
- Average rainfall in September: 0.87"
The wettest months (with the highest rainfall) are July and August (1.65").
The driest month (with the least rainfall) is November (0.24").
Average rainfall days in September
Adams, OK
- Average rainfall days in September: 8 days
The months with the highest number of rainy days are July and August (12.5 days).
The month with the least rainy days is November (2.1 days).
Average snowfall in September
Adams, 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 and September (0").
Average snowfall days in September
Adams, 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
Adams, OK
- Average daylight in September: 12h and 24min
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 24min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Adams, OK
- Average sunshine days in September: 19 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Adams, 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
Adams, OK
- Average cloud cover in September: 18
The months with the most cloud cover are February and April (Cloud cover 25).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Adams, 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).





