September weather forecastMentone, AL
September
Weather in September
September in Mentone, Alabama, indicates the end of the hot summer months and the start of autumn. A decrease in temperatures is registered as they fluctuate between 61.3°F (16.3°C) to 81°F (27.2°C). This month is characterized by a significantly reduced rainfall of only 3.11" (79mm), the lowest in many months. Looking ahead to October, there will be a pronounced drop in temperatures and lesser daylight hours. Amidst this seasonal transition, September offers warm afternoons and crisp evenings, perfect for enjoying the changing foliage.Temperature
With the commencement of September, Mentone records a moderate temperature decline, with the average high easing from August's hot 86.4°F (30.2°C) to a warm 81°F (27.2°C). Mentone's nights in September experience an average temperature drop to an enjoyable 61.3°F (16.3°C).Heat index
For September, the heat index is evaluated at a hot 86°F (30°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 77%.Rainfall
In Mentone, in September, it is raining for 15.4 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, in Mentone, there are 191.1 rainfall days, and 48.94" (1243mm) of precipitation is accumulated.Snowfall
In Mentone, snow does not fall in May through October.Daylight
In Mentone, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:27 pm CDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Mentone, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mentone, AL
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in September
Mentone, AL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Mentone, AL
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Mentone, AL
- Average humidity in September: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Mentone, AL
- Average rainfall in September: 3.11"
The wettest month (with the highest rainfall) is July (5.24").
The driest month (with the least rainfall) is November (2.76").
Average rainfall days in September
Mentone, AL
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Mentone, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Mentone, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mentone, AL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Mentone, AL
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Mentone, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Mentone, AL
- Average cloud cover in September: 32
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 32).
Average visibility in September
Mentone, AL
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).





