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 transition into September marks the average high-temperature at a still hot 87.1°F (30.6°C), differing minimally from August's 90.9°F (32.7°C). Throughout September, Mashville witnesses a nighttime temperature average of 67.6°F (19.8°C).Heat index
Throughout September, the heat index is appraised at a very hot 100.4°F (38°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Research indicates the heat index considers values in shaded locales and with light winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
In Mashville, the average relative humidity in September is 74%.Rainfall
In Mashville, in September, it is raining for 16.5 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Mashville, there are 177.6 rainfall days, and 37.6" (955mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Mashville, the average length of the day in September is 12h and 21min.On the first day of September in Mashville, Alabama, sunrise is at 6:22 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:31 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
How hot does it get in Mashville in September?
What is the average humidity in September in Mashville?
How many days does it rain in September in Mashville?
When it does not snow in Mashville?
What is the average length of the day in September in Mashville?
When are sunrise and sunset in September in Mashville?
How many hours of sunshine does Mashville have in September?
What is the UV index intensity in September in Mashville?
Average temperature in September
Mashville, AL
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in September: 67.6°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Mashville, AL
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
Mashville, AL
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Mashville, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Mashville, AL
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is August (4.69").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in September
Mashville, AL
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (23.6 days).
The month with the least rainy days is November (8 days).
Average snowfall in September
Mashville, AL
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Mashville, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Mashville, AL
- 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: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Mashville, AL
- Average sunshine days in September: 12 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (5 days).
Average UV index in September
Mashville, AL
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Mashville, AL
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Mashville, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Mashville, Alabama, USA
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