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 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
Heath's weather in September displays an average high-temperature of a still hot 87.3°F (30.7°C), showing minor disparity from August's 90.7°F (32.6°C). Throughout September, Heath witnesses a nighttime temperature average of 68.7°F (20.4°C).Heat index
In September, the average heat index is computed to be a sweltering 100.4°F (38°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Understand that the heat index values take into account shaded locations and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. 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. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
The average relative humidity in September is 74%.Rainfall
The months with the least rainfall are March, September and November Rain falls for 12.1 days and accumulates 0.75" (19mm) of rain.Snowfall
In Heath, snow does not fall in March through November.Daylight
In September, the average length of the day is 12h and 21min.On the first day of September in Heath, 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 8.9h.UV index
In Heath, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September in Heath?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Heath have in September?
What is the UV index reading in September?
Average temperature in September
Heath, AL
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in September: 68.7°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in September
Heath, AL
- Average pressure in September: 29.98"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
Heath, AL
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Heath, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Heath, AL
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are March, September and November (0.75").
Average rainfall days in September
Heath, AL
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (5.7 days).
Average snowfall days in September
Heath, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Heath, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in September
Heath, AL
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Heath, AL
- Average UV index in September: 6
The months with the highest UV index are May, June, 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
Heath, AL
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Heath, AL
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, October and November (6mi).
The months with the lowest visibility are February, July, August, September and December (5mi).
Heath, Alabama, USA
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