September weather forecastMutual, OK
September
Weather in September
September, the first month of the autumn in Mutual, is also a moderately hot month, with an average temperature varying between 84.2°F (29°C) and 65.3°F (18.5°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a tropical 92.8°F (33.8°C) in August to a warm 84.2°F (29°C). The low-temperature average for Mutual during September stands at an enjoyable 65.3°F (18.5°C).Heat index
The heat index in September is computed to be a tropical 87.8°F (31°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 extremely significant for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In September, the average relative humidity is 60%.Rainfall
In September, the rain falls for 11.2 days. Throughout September, 1.34" (34mm) of precipitation is accumulated. In Mutual, during the entire year, the rain falls for 93.7 days and collects up to 15.55" (395mm) of precipitation.Snowfall
In Mutual, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 7:08 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:21 pm CDT.
Sunshine
In Mutual, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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
Average temperature in September
Mutual, OK
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in September: 65.3°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 (30.6°F).
Average pressure in September
Mutual, 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 (29.86"Hg).
Average wind speed in September
Mutual, OK
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in September
Mutual, OK
- Average humidity in September: 60%
The month with the highest relative humidity is May (64%).
The month with the lowest relative humidity is July (53%).
Average rainfall in September
Mutual, OK
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Mutual, OK
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is December (2.9 days).
Average snowfall in September
Mutual, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mutual, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Mutual, 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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Mutual, OK
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is September (16.8 days).
Average UV index in September
Mutual, OK
- Average UV index in September: 5
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
Mutual, OK
- Average cloud cover in September: 25
The month with the most cloud cover is April (Cloud cover 34).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility in September
Mutual, 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).
