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
Bonny Brook, Alabama, registers an average high-temperature of a moderately hot 83.7°F (28.7°C) with the arrival of September, showing minor deviation from the preceding month. In Bonny Brook, September nights cool down to an average of 63.9°F (17.7°C).Heat index
During September, the heat index is evaluated at a hot 91.4°F (33°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity in Bonny Brook is 75%.Rainfall
In Bonny Brook, in September, during 13.7 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Bonny Brook, Alabama, during the entire year, the rain falls for 178.5 days and collects up to 38.78" (985mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:17 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:28 pm CDT.
Sunshine
In Bonny Brook, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Bonny Brook, Alabama, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot does it get in Bonny Brook in September?
What is the average humidity in September in Bonny Brook?
How much does it rain in Bonny Brook in September?
When it does not snow in Bonny Brook?
What is the average length of the day in September in Bonny Brook?
When is the sunrise / sunset in September in Bonny Brook?
How many hours of sunshine does Bonny Brook have in September?
How high is the UV index in September in Bonny Brook?
Average temperature in September
Bonny Brook, AL
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (50°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Bonny Brook, 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
Bonny Brook, AL
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Bonny Brook, AL
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Bonny Brook, AL
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in September
Bonny Brook, AL
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Bonny Brook, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Bonny Brook, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.4 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
Bonny Brook, 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: 10h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Bonny Brook, AL
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Bonny Brook, 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
Bonny Brook, AL
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
Bonny Brook, 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).
Bonny Brook, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location
