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
A minor adjustment in Gallman's average high-temperature is noted with the start of September, touching a still tropical 87.3°F (30.7°C) from August's 91.4°F (33°C). The mean low-temperature during September nights in Gallman is an enjoyable 67.6°F (19.8°C).Heat index
During September, the heat index is evaluated at a very hot 100.4°F (38°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
The average relative humidity in September in Gallman is 74%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 163.6 rainfall days, and 37.95" (964mm) of precipitation is accumulated.Snowfall
In Gallman, Mississippi, snow does not fall in March through November.Daylight
In Gallman, the average length of the day in September is 12h and 21min.On the first day of September in Gallman, Mississippi, sunrise is at 6:37 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:47 pm CDT.
Sunshine
In September, the average sunshine in Gallman is 9.4h.UV index
In Gallman, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 6 in September leads to these recommendations:
Shield from overexposure. Defense against sun-related harm is required. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Gallman during September?
What is the average humidity in September in Gallman?
How many days does it rain in September in Gallman?
When it does not snow in Gallman?
How many hours of daylight does Gallman have in September?
When are sunrise and sunset in September in Gallman?
How many hours of sunshine does Gallman have in September?
What is the UV index intensity in September in Gallman?
Average temperature in September
Gallman, MS
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in September: 67.6°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in September
Gallman, MS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Gallman, MS
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are February and April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in September
Gallman, MS
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Gallman, MS
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is August (4.21").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Gallman, MS
- Average rainfall days in September: 14.2 days
The months with the highest number of rainy days are July and August (19.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Gallman, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Gallman, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 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
Gallman, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Gallman, MS
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Gallman, MS
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Gallman, MS
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Gallman, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Gallman, Mississippi, USA
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