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
August's transformation into September witnesses an average high-temperature of a moderately hot 84.7°F (29.3°C), noting a minor change from the preceding month. Throughout the month of September, the nighttime temperature dips to an average of 65.3°F (18.5°C).Heat index
The average heat index in September is estimated at a tropical 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In Risers, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 14 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. In Risers, during the entire year, the rain falls for 175.7 days and collects up to 39.06" (992mm) of precipitation.Snowfall
April through October are months without snowfall in Risers.Daylight
In Risers, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:19 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.
Sunshine
In Risers, the average sunshine in September is 8.7h.UV index
In Risers, Alabama, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September in Risers?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Risers have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Risers have in September?
How high is the UV index in September?
Average temperature in September
Risers, AL
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in September: 65.3°F
The months with the highest average low temperature are July and August (70°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in September
Risers, 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 (29.98"Hg).
Average wind speed in September
Risers, AL
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Risers, 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 (72%).
Average rainfall in September
Risers, AL
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in September
Risers, AL
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is August (21.9 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
Risers, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Risers, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.1 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
Risers, 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 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Risers, AL
- Average sunshine days in September: 13.4 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in September
Risers, AL
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Risers, AL
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in September
Risers, 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).
Risers, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location