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
In September, the average high-temperature registers at a moderately hot 83.8°F (28.8°C), nearly identical to August's 89.1°F (31.7°C). In the month of September, Old Harmony witnesses a consistent average low-temperature of 63.9°F (17.7°C).Heat index
Throughout September, the heat index is calculated to be a tropical 91.4°F (33°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Remember that heat index calculations are made for conditions in the shade with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The average relative humidity in September is 74%.Rainfall
September and October are months with the least rain in Old Harmony, Alabama, when the rain falls for 13.5 days and typically aggregates up to 2.4" (61mm) of rain.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Old Harmony is 12h and 22min.On the first day of September in Old Harmony, sunrise is at 6:18 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:29 pm CDT.
Sunshine
In September, the average sunshine in Old Harmony, Alabama, is 8.6h.UV index
In Old Harmony, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take precautions - Protection against sunburn is recommended. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
How hot is September in Old Harmony?
What is the average humidity in September in Old Harmony?
What is the driest month in Old Harmony?
How many days does it rain in September in Old Harmony?
When it does not snow in Old Harmony?
How many hours of daylight does Old Harmony have in September?
What time are sunrise and sunset in September in Old Harmony?
How many hours of sunshine does Old Harmony have in September?
How high is the UV index in September in Old Harmony?
Average temperature in September
Old Harmony, AL
- Average high temperature in September: 83.8°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 (49.6°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Old Harmony, 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
Old Harmony, AL
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Old Harmony, 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 (73%).
Average rainfall in September
Old Harmony, AL
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is December (4.17").
The driest months (with the least rainfall) are September and October (2.4").
Average rainfall days in September
Old Harmony, AL
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Old Harmony, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Old Harmony, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Old Harmony, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Old Harmony, AL
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Old Harmony, 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
Old Harmony, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Old Harmony, 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).
Old Harmony, Alabama, USA
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