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
The transition into September shows a subtle variation to a warm 84°F (28.9°C) from August's 89.2°F (31.8°C) in the average high-temperature. September nights cool down to an average low-temperature of 64°F (17.8°C).Heat index
The heat index value for September is appraised at a hot 91.4°F (33°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Consider that heat index readings are for situations in the shade and light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In Halltown, the average relative humidity in September is 73%.Rainfall
In Halltown, Alabama, in September, it is raining for 13.1 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, in Halltown, there are 170.7 rainfall days, and 40.24" (1022mm) of precipitation is accumulated.Snowfall
In Halltown, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:37 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In Halltown, Alabama, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot does it get in Halltown in September?
What is the average humidity in September in Halltown?
How much does it rain in Halltown in September?
When it does not snow in Halltown?
What is the average length of the day in September in Halltown?
When are sunrise and sunset in September in Halltown?
How many hours of sunshine does Halltown have in September?
What is the UV index intensity in September in Halltown?
Average temperature in September
Halltown, AL
- Average high temperature in September: 84°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 (48.6°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in September
Halltown, 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
Halltown, AL
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Halltown, 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 (72%).
Average rainfall in September
Halltown, AL
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is February (4.41").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Halltown, AL
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Halltown, AL
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Halltown, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Halltown, 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: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Halltown, AL
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Halltown, AL
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Halltown, AL
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
Halltown, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Halltown, Alabama, USA
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