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 beginning of September brings a slight decrease in the average high-temperature, transitioning from a hot 91.6°F (33.1°C) in August to a warm 83.5°F (28.6°C). Throughout the nights in September, Numa experiences an average low-temperature of 64.4°F (18°C).Heat index
Throughout September, the heat index is estimated at a tropical 87.8°F (31°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
The average relative humidity in September is 65%.Rainfall
In Numa, in September, during 11.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Numa, during the entire year, the rain falls for 116.1 days and collects up to 21.57" (548mm) of precipitation.Snowfall
April 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 7:02 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:14 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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?
Does it snow in September?
What is the average length of the day in September?
What time 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
Numa, OK
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Numa, 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 (29.87"Hg).
Average wind speed in September
Numa, OK
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Numa, OK
- Average humidity in September: 65%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).
Average rainfall in September
Numa, OK
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in September
Numa, OK
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Numa, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Numa, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Numa, 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: 8h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in September
Numa, OK
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in September
Numa, 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 and December (UV index 2).
Average cloud cover in September
Numa, OK
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Numa, 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).
Numa, Oklahoma, USA
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