September weather forecastJasper, AL
September
Weather in September
September, the first month of the autumn in Jasper, is also a moderately hot month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 65.3°F (18.5°C).Temperature
Jasper records an average high-temperature of a warm 84.7°F (29.3°C) as September arrives, nearly mirroring the previous month's climate. Jasper experiences a nighttime temperature average of 65.3°F (18.5°C) during September.Heat index
The heat index value for September is appraised at a tropical 93.2°F (34°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 73%.Rainfall
In Jasper, Alabama, in September, during 14.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Jasper, during the entire year, the rain falls for 184 days and collects up to 43.7" (1110mm) of precipitation.Snowfall
In Jasper, Alabama, 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 6:23 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:34 pm CDT.
Sunshine
In Jasper, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during September leads to these advisories:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jasper, AL
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Jasper, 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 (29.97"Hg).
Average wind speed in September
Jasper, AL
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are February, March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Jasper, AL
- Average humidity in September: 73%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Jasper, AL
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is November (2.48").
Average rainfall days in September
Jasper, AL
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Jasper, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Jasper, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.6 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
Jasper, AL
- Average daylight in September: 12h and 24min
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: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Jasper, AL
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Jasper, AL
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Jasper, AL
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Jasper, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
