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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a tropical 89.8°F (32.1°C) to a moderately hot 82.9°F (28.3°C). Chouteau throughout September, records an average low-temperature of 63.3°F (17.4°C).Heat index
The heat index value for September is appraised at a tropical 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In September, the average relative humidity is 71%.Rainfall
In Chouteau, Oklahoma, in September, it is raining for 11.7 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 137.3 rainfall days, and 30.04" (763mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Chouteau.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:53 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:05 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
In Chouteau, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Chouteau have in September?
How high is the UV index in September in Chouteau?
Average temperature in September
Chouteau, OK
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Chouteau, OK
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Chouteau, OK
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Chouteau, OK
- Average humidity in September: 71%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Chouteau, OK
- Average rainfall in September: 3.11"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Chouteau, OK
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Chouteau, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Chouteau, 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chouteau, 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: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Chouteau, OK
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Chouteau, OK
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Chouteau, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Chouteau, 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).
Chouteau, Oklahoma, USA
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