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
In the transition to September, Chain-O-Lakes observes a minor drop in the average high-temperature, shifting from a tropical 88.3°F (31.3°C) in August to a warm 81.5°F (27.5°C). Chain-O-Lakes observes an average nighttime temperature of 60.1°F (15.6°C) during September.Heat index
The average heat index in September is estimated at a hot 86°F (30°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In Chain-O-Lakes, the average relative humidity in September is 74%.Rainfall
In Chain-O-Lakes, during September, the rain falls for 12.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 147.8 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In Chain-O-Lakes, Missouri, the average length of the day in September is 12h and 24min.On the first day of September in Chain-O-Lakes, sunrise is at 6:46 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:59 pm CDT.
Sunshine
The average sunshine in September in Chain-O-Lakes is 9.4h.UV index
In Chain-O-Lakes, Missouri, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the temperature in September in Chain-O-Lakes?
What is the average humidity in September in Chain-O-Lakes?
How much does it rain in Chain-O-Lakes in September?
When it does not snow in Chain-O-Lakes?
What is the average length of the day in September in Chain-O-Lakes?
When is the sunrise / sunset in September in Chain-O-Lakes?
How many hours of sunshine does Chain-O-Lakes have in September?
What is the UV index reading in September in Chain-O-Lakes?
Average temperature in September
Chain-O-Lakes, MO
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in September
Chain-O-Lakes, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Chain-O-Lakes, MO
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Chain-O-Lakes, MO
- Average humidity in September: 74%
The months with the highest relative humidity are March and May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Chain-O-Lakes, MO
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in September
Chain-O-Lakes, MO
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (16.9 days).
The months with the least rainy days are January and December (8 days).
Average snowfall in September
Chain-O-Lakes, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Chain-O-Lakes, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chain-O-Lakes, MO
- 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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Chain-O-Lakes, MO
- Average sunshine days in September: 15.8 days
The months with the most sunshine days are October and December (19.7 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in September
Chain-O-Lakes, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Chain-O-Lakes, MO
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in September
Chain-O-Lakes, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Chain-O-Lakes, Missouri, USA
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