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 Advance, entering September brings a subtle temperature decrement, reducing from August's hot 86.5°F (30.3°C) to a moderately hot 80.8°F (27.1°C). Throughout September, a steady low-temperature average of 60.6°F (15.9°C) is noted.Heat index
September's heat index is calculated to be 84.2°F (29°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Advance, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Advance is September, when the rain falls for 11.3 days and typically collects 1.65" (42mm) of precipitation.Snowfall
April through October are months without snowfall in Advance.Daylight
In September, the average length of the day in Advance is 12h and 25min.On the first day of September, sunrise is at 6:30 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm CDT.
Sunshine
The average sunshine in September in Advance is 9.6h.UV index
The average daily maximum UV index in September in Advance is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 5 during September leads to these instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Advance in September?
What is the average humidity in September in Advance?
What is the driest month in Advance?
How much does it rain in Advance in September?
When it does not snow in Advance?
How many hours of daylight does Advance have in September?
When is the sunrise / sunset in September in Advance?
How long on average sun shines in September in Advance?
What is the UV index reading in September in Advance?
Average temperature in September
Advance, MO
- Average high temperature in September: 80.8°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Advance, MO
- Average pressure in September: 30.02"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
Advance, MO
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Advance, MO
- Average humidity in September: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Advance, MO
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Advance, MO
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Advance, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Advance, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 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
Advance, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Advance, MO
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Advance, 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
Advance, MO
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Advance, 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).
Advance, Missouri, USA
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