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 Walls, the average high-temperature in September is relatively the same as in August - a warm 84.2°F (29°C). The average low-temperature, is 65.8°F (18.8°C).Heat index
In September, the average heat index is evaluated at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, clothing, pregnancy, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Walls, the average relative humidity in September is 71%.Rainfall
In Walls, during September, the rain falls for 12.3 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Walls, during the entire year, the rain falls for 147.4 days and collects up to 27.76" (705mm) of precipitation.Snowfall
April through October are months without snowfall in Walls.Daylight
In September, the average length of the day in Walls is 12h and 23min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:27 pm. On the last day of September, in Walls, sunrise is at 6:54 am and sunset at 6:46 pm CDT.
Sunshine
In Walls, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Walls is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
FAQ
What is the temperature in September in Walls?
What is the average humidity in September in Walls?
How much does it rain in Walls in September?
When it does not snow in Walls?
What is the average length of the day in September in Walls?
When are sunrise and sunset in September in Walls?
How long on average sun shines in September in Walls?
How high is the UV index in September in Walls?
Average temperature in September
Walls, MS
- Average high temperature in September: 84.2°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 (47.3°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in September
Walls, MS
- 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
Walls, MS
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Walls, MS
- Average humidity in September: 71%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Walls, MS
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in September
Walls, MS
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is August (16.4 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Walls, MS
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Walls, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Walls, MS
- 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 54min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Walls, MS
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is August (11.7 days).
Average UV index in September
Walls, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Walls, MS
- 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 August (Cloud cover 26).
Average visibility in September
Walls, MS
- 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).
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