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
Rayburn observes an average high-temperature of a moderately hot 82.4°F (28°C) in September, barely different from 87.4°F (30.8°C) in August. An average low-temperature of 63°F (17.2°C) is expected during September.Heat index
The heat index in September is computed to be a hot 87.8°F (31°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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 are particularly meaningful 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 Rayburn, Alabama, the average relative humidity in September is 75%.Rainfall
In Rayburn, in September, it is raining for 15 days, with typically 2.56" (65mm) of accumulated precipitation. In Rayburn, during the entire year, the rain falls for 179.7 days and collects up to 41.89" (1064mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Rayburn, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in Rayburn?
How many hours of sunshine does Rayburn have in September?
What is the UV index intensity in September in Rayburn?
Average temperature in September
Rayburn, AL
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Rayburn, 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
Rayburn, AL
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Rayburn, AL
- Average humidity in September: 75%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Rayburn, AL
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is October (2.48").
Average rainfall days in September
Rayburn, AL
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Rayburn, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rayburn, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 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
Rayburn, AL
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Rayburn, AL
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Rayburn, 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
Rayburn, AL
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
Rayburn, 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).
Rayburn, Alabama, USA
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