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
With the onset of September, the average high-temperature stands at a still tropical 87.8°F (31°C), closely aligned with August's 91.9°F (33.3°C). During the month of September, an average temperature of 67.3°F (19.6°C) is noted during the nights.Heat index
September's mean heat index is calculated to be a very hot 100.4°F (38°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In Freetown, the average relative humidity in September is 71%.Rainfall
September is the month with the least rainfall in Freetown. Rain falls for 13.1 days and accumulates 1.26" (32mm) of precipitation.Snowfall
In Freetown, snow does not fall in March through October.Daylight
The average length of the day in September in Freetown is 12h and 22min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:35 pm CDT.
Sunshine
The average sunshine in September in Freetown is 9.1h.UV index
The average daily maximum UV index in September in Freetown is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
Is it hot in Freetown during September?
What is the average humidity in September in Freetown?
What is the driest month in Freetown?
How many days does it rain in September in Freetown?
When it does not snow in Freetown?
What is the average length of the day in September in Freetown?
When are sunrise and sunset in September in Freetown?
How many hours of sunshine does Freetown have in September?
What is the UV index intensity in September in Freetown?
Average temperature in September
Freetown, AL
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in September: 67.3°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in September
Freetown, 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
Freetown, AL
- Average wind speed in September: 5.4mph
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 (4.9mph).
Average humidity in September
Freetown, AL
- Average humidity in September: 71%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Freetown, AL
- Average rainfall in September: 1.26"
The wettest months (with the highest rainfall) are April and August (2.44").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in September
Freetown, AL
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in September
Freetown, AL
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.31").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Freetown, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Freetown, 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: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Freetown, AL
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Freetown, AL
- Average UV index in September: 6
The months with the highest UV index are 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
Freetown, AL
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Freetown, 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).
Freetown, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location
