September weather forecastMount Hester, AL
September
Weather in September
The first month of the autumn, September, is still a warm month in Mount Hester, Alabama, with an average temperature fluctuating between 63.7°F (17.6°C) and 83.3°F (28.5°C).Temperature
The arrival of September denotes a barely perceptible change in the average high-temperatures to a warm 83.3°F (28.5°C) from August's 88.3°F (31.3°C). The low-temperature average for Mount Hester during September stands at a refreshing 63.7°F (17.6°C).Heat index
The average heat index in September is computed to be a tropical 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
The average relative humidity in September is 74%.Rainfall
In Mount Hester, in September, it is raining for 12.6 days, with typically 2.4" (61mm) of accumulated precipitation. In Mount Hester, during the entire year, the rain falls for 170.1 days and collects up to 40.12" (1019mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Mount Hester, sunrise is at 6:25 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:36 pm CDT.
Sunshine
In Mount Hester, the average sunshine in September is 8.9h.UV index
In Mount Hester, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Hester, AL
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in September
Mount Hester, AL
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Mount Hester, AL
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Mount Hester, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Mount Hester, AL
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Mount Hester, AL
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Mount Hester, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Mount Hester, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mount Hester, AL
- Average daylight in September: 12h and 24min
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: 8h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Mount Hester, AL
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Mount Hester, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Mount Hester, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in September
Mount Hester, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
