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 brings an average high-temperature of a warm 84.9°F (29.4°C), showing a slight difference from August's 90°F (32.2°C). Joinertown usually reports an average low-temperature of 65.7°F (18.7°C) during the month of September.Heat index
The heat index for September is computed to be a tropical 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 2.05" (52mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Joinertown, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:11 pm. On the last day of September, in Joinertown, sunrise is at 6:40 am and sunset at 6:32 pm CDT.
Sunshine
The average sunshine in September in Joinertown is 8.8h.UV index
The average daily maximum UV index in September in Joinertown 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 average individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
How hot is it in Joinertown in September?
What is the average humidity in September in Joinertown?
What is the driest month in Joinertown?
How much does it rain in Joinertown in September?
When it does not snow in Joinertown?
How many hours of daylight does Joinertown have in September?
What time are sunrise and sunset in September in Joinertown?
How many hours of sunshine does Joinertown have in September?
What is the UV index reading in September in Joinertown?
Average temperature in September
Joinertown, AL
- Average high temperature in September: 84.9°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 (51.4°F).
- Average low temperature in September: 65.7°F
The months with the highest average low temperature are July and August (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Joinertown, AL
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Joinertown, AL
- Average wind speed in September: 4.8mph
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 (4.3mph).
Average humidity in September
Joinertown, 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
Joinertown, AL
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Joinertown, AL
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Joinertown, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Joinertown, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (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
Joinertown, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Joinertown, AL
- Average sunshine days in September: 14.6 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Joinertown, 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
Joinertown, AL
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in September
Joinertown, 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).
Joinertown, Alabama, USA
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