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
Madison's shift into September is marked by a subtle change to a warm 83.3°F (28.5°C) from August's 87.4°F (30.8°C) in temperature. Madison encounters an average low-temperature of 64.9°F (18.3°C) during September nights.Heat index
For most parts of September, the heat index is estimated at a tropical 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In Madison, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.6 days and typically collects 0.75" (19mm) of precipitation.Snowfall
In Madison, Arkansas, snow does not fall in April through September.Daylight
In Madison, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:47 pm CDT.
Sunshine
The average sunshine in September in Madison is 9.7h.UV index
In Madison, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Madison have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Madison have in September?
How high is the UV index in September?
Average temperature in September
Madison, AR
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in September
Madison, AR
- 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 (29.94"Hg).
Average wind speed in September
Madison, AR
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Madison, AR
- Average humidity in September: 73%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Madison, AR
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in September
Madison, AR
- Average rainfall days in September: 10.6 days
The months with the highest number of rainy days are May, July and August (13.3 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in September
Madison, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Madison, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Madison, AR
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Madison, AR
- Average sunshine days in September: 17.4 days
The months with the most sunshine days are October and November (21.4 days).
The month with the least sunshine days is August (14.2 days).
Average UV index in September
Madison, AR
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Madison, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Madison, AR
- 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).
Madison, Arkansas, USA
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