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 marks a gentle change in average high-temperature, declining from August's hot 94.1°F (34.5°C) to a moderately hot 85.8°F (29.9°C). In September, the nighttime temperature lowers to an average of 66.7°F (19.3°C).Heat index
The heat index for September is calculated to be a hot 93.2°F (34°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
The average relative humidity in September is 67%.Rainfall
In Oakland, in September, during 12 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Oakland, Oklahoma, during the entire year, the rain falls for 122.3 days and collects up to 21.89" (556mm) of precipitation.Snowfall
In Oakland, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:12 pm CDT.
Sunshine
The average sunshine in September is 8.5h.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 the average person.Note: The UV index of 5 during September leads to these advisories:
Be vigilant - Suggestions to stave off sun damage are provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Oakland have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Oakland have in September?
What is the UV index reading in September?
Average temperature in September
Oakland, OK
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in September: 66.7°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 (35.2°F).
Average pressure in September
Oakland, 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 (29.89"Hg).
Average wind speed in September
Oakland, OK
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Oakland, OK
- Average humidity in September: 67%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Oakland, OK
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in September
Oakland, OK
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Oakland, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Oakland, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Oakland, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Oakland, OK
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (15 days).
Average UV index in September
Oakland, OK
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Oakland, OK
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Oakland, 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).
Oakland, Oklahoma, USA
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