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 arrival of September denotes a barely perceptible change in the average high-temperatures to a moderately hot 84.6°F (29.2°C) from August's 89.2°F (31.8°C). Valleyhaven experiences a mean low-temperature of 64.8°F (18.2°C) during September.Heat index
The heat index in September is evaluated at a tropical 93.2°F (34°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The average relative humidity in September is 73%.Rainfall
In Valleyhaven, in September, it is raining for 13.3 days, with typically 1.89" (48mm) of accumulated precipitation. In Valleyhaven, during the entire year, the rain falls for 158.4 days and collects up to 29.76" (756mm) of precipitation.Snowfall
In Valleyhaven, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:20 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:31 pm CDT.
Sunshine
The average sunshine in September in Valleyhaven is 8.6h.UV index
In Valleyhaven, Alabama, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
How hot is it in Valleyhaven in September?
What is the average humidity in September in Valleyhaven?
How much does it rain in Valleyhaven in September?
When it does not snow in Valleyhaven?
What is the average length of the day in September in Valleyhaven?
When is the sunrise / sunset in September in Valleyhaven?
How many hours of sunshine does Valleyhaven have in September?
What is the UV index reading in September in Valleyhaven?
Average temperature in September
Valleyhaven, AL
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in September: 64.8°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 (35.2°F).
Average pressure in September
Valleyhaven, 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 (29.98"Hg).
Average wind speed in September
Valleyhaven, 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
Valleyhaven, 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
Valleyhaven, AL
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is August (2.99").
The driest month (with the least rainfall) is October (1.57").
Average rainfall days in September
Valleyhaven, AL
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Valleyhaven, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Valleyhaven, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Valleyhaven, 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 4min
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 42min).
Average sunshine days in September
Valleyhaven, AL
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Valleyhaven, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Valleyhaven, AL
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in September
Valleyhaven, 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).
Valleyhaven, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location
