September weather forecastFairhope, AL
September
Weather in September
The arrival of September in Fairhope brings a slight relief from the summer’s intense heat. While temperatures begin to drop, high humidity ensures the city does not lose its tropical atmosphere. Rainfalls recede to 4.37" (111mm) in comparison to the heavier downpours of the previous months. Despite being the start of the city’s transition to fall, September maintains longer daylight hours. By the end of this month, the city witnesses a significant decrease in daytime temperatures marking the arrival of Autumn.Temperature
September's average high-temperature stands at a warm 85.8°F (29.9°C), showing little deviation from August's 88.7°F (31.5°C). September nights experience a consistent temperature drop to a still moderately hot 74.5°F (23.6°C).Heat index
For most parts of September, the heat index is calculated to be a torrid 96.8°F (36°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular importance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
In Fairhope, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 17.1 days. Throughout September, 4.37" (111mm) of precipitation is accumulated. In Fairhope, during the entire year, the rain falls for 169.3 days and collects up to 44.02" (1118mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Fairhope, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:28 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:37 pm CDT.
Sunshine
The average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fairhope, AL
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is January (58.3°F).
- Average low temperature in September: 74.5°F
The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in September
Fairhope, 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
Fairhope, AL
- Average wind speed in September: 7mph
The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Fairhope, AL
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Fairhope, AL
- Average rainfall in September: 4.37"
The wettest month (with the highest rainfall) is July (6.69").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Fairhope, AL
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in September
Fairhope, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Fairhope, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Fairhope, AL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 42min
The months with the most sunshine are May and June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Fairhope, AL
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in September
Fairhope, 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
Fairhope, AL
- Average cloud cover in September: 25
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in September
Fairhope, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
