September weather forecastFlatwoods, MO
September
Weather in September
September, the first month of the autumn in Flatwoods, is still a warm month, with an average temperature ranging between max 82°F (27.8°C) and min 62.2°F (16.8°C).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's hot 87.8°F (31°C) to a warm 82°F (27.8°C). Flatwoods experiences a consistent average temperature of 62.2°F (16.8°C) throughout the nights in September.Heat index
September's heat index is evaluated at a hot 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In Flatwoods, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Flatwoods is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.Snowfall
In Flatwoods, snow does not fall in April through September.Daylight
In Flatwoods, the average length of the day in September is 12h and 24min.On the first day of September in Flatwoods, sunrise is at 6:34 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:47 pm CDT.
Sunshine
In September, the average sunshine in Flatwoods is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flatwoods, MO
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Flatwoods, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Flatwoods, MO
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Flatwoods, MO
- Average humidity in September: 73%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Flatwoods, MO
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Flatwoods, MO
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (10 days).
Average snowfall in September
Flatwoods, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Flatwoods, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flatwoods, MO
- 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: 9h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Flatwoods, MO
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Flatwoods, MO
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Flatwoods, MO
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Flatwoods, MO
- 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).





