September weather forecastManitou, OK
September
Weather in September
September, the first month of the autumn in Manitou, is still a hot month, with an average temperature varying between 86.5°F (30.3°C) and 67.3°F (19.6°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a fiery hot 95.5°F (35.3°C) in August to a hot 86.5°F (30.3°C). Nighttime temperatures in September average to an enjoyable 67.3°F (19.6°C) in Manitou.Heat index
The heat index in September is appraised at a tropical 91.4°F (33°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. 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 remain especially vital for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 60%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. In Manitou, during the entire year, the rain falls for 97.9 days and collects up to 17.72" (450mm) of precipitation.Snowfall
In Manitou, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:20 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Manitou, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Manitou, OK
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is July (96.3°F).
The months with the lowest average high temperature are January and December (51.6°F).
- Average low temperature in September: 67.3°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Manitou, 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 (29.87"Hg).
Average wind speed in September
Manitou, OK
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in September
Manitou, OK
- Average humidity in September: 60%
The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Manitou, OK
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is November (0.59").
Average rainfall days in September
Manitou, OK
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Manitou, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Manitou, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Manitou, OK
- Average daylight in September: 12h and 24min
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 42min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Manitou, OK
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is May (15.4 days).
Average UV index in September
Manitou, OK
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Manitou, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in September
Manitou, 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).





