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
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a tropical 86.5°F (30.3°C) in August to a warm 80.8°F (27.1°C). Jackson records an average nighttime low-temperature of 61°F (16.1°C) throughout September.Heat index
September's mean heat index is estimated at 84.2°F (29°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In Jackson, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall in Jackson. Rain falls for 11.6 days and accumulates 1.54" (39mm) of precipitation.Snowfall
In Jackson, Missouri, snow does not fall in May through September.Daylight
In Jackson, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:29 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:42 pm CDT.
Sunshine
The average sunshine in September in Jackson is 9.6h.UV index
The average daily maximum UV index in September in Jackson is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Jackson in September?
What is the average humidity in September in Jackson?
What is the driest month in Jackson?
How much does it rain in Jackson in September?
When it does not snow in Jackson?
Does it snow in Jackson in September?
How many hours of daylight does Jackson have in September?
When are sunrise and sunset in September in Jackson?
How long on average sun shines in September in Jackson?
What is the UV index intensity in September in Jackson?
Average temperature in September
Jackson, 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 (40.5°F).
- Average low temperature in September: 61°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 (27.1°F).
Average pressure in September
Jackson, 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
Jackson, MO
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Jackson, 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
Jackson, MO
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Jackson, MO
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Jackson, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Jackson, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jackson, 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 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in September
Jackson, MO
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Jackson, 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
Jackson, MO
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Jackson, 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).
Jackson, Missouri, USA
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