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
September's average high-temperature stands at a warm 82.9°F (28.3°C), showing little deviation from August's 87.8°F (31°C). During the nights in September, Belltown experiences a consistent average temperature of 63.3°F (17.4°C).Heat index
During September, the heat index is estimated at a tropical 89.6°F (32°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity in Belltown is 76%.Rainfall
In Belltown, in September, it is raining for 13.8 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, in Belltown, there are 186.4 rainfall days, and 42.36" (1076mm) of precipitation is accumulated.Snowfall
In Belltown, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:07 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
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
How hot is it in Belltown in September?
What is the average humidity in September in Belltown?
How many days does it rain in September in Belltown?
When it does not snow in Belltown?
What is the average length of the day in September in Belltown?
When is the sunrise / sunset in September in Belltown?
How many hours of sunshine does Belltown have in September?
How high is the UV index in September in Belltown?
Average temperature in September
Belltown, AL
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Belltown, AL
- Average pressure in September: 30.02"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
Belltown, AL
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Belltown, AL
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Belltown, AL
- Average rainfall in September: 3.15"
The wettest month (with the highest rainfall) is August (4.45").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in September
Belltown, AL
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Belltown, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Belltown, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 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
Belltown, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 2min
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 54min).
Average sunshine days in September
Belltown, AL
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in September
Belltown, 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
Belltown, AL
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Belltown, AL
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, July, August, September and December (5mi).
Belltown, Alabama, USA
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