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
Stepping into September, Pentonville records an average high-temperature of a warm 84.9°F (29.4°C), almost consistent with August. Pentonville's average low-temperature for the month of September records at a refreshing 65.3°F (18.5°C).Heat index
The heat index value during September is evaluated at a hot 93.2°F (34°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Pentonville, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 14.7 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 175.3 rainfall days, and 39.88" (1013mm) of precipitation is accumulated.Snowfall
In Pentonville, snow does not fall in March through November.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 7:09 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:30 pm CDT.
Sunshine
In Pentonville, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 6 transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September in Pentonville?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in Pentonville?
How many hours of sunshine does Pentonville have in September?
What is the UV index intensity in September?
Average temperature in September
Pentonville, AL
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 65.3°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 (36.5°F).
Average pressure in September
Pentonville, 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
Pentonville, AL
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Pentonville, 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 (72%).
Average rainfall in September
Pentonville, AL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.05").
Average rainfall days in September
Pentonville, AL
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in September
Pentonville, AL
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Pentonville, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.8 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
Pentonville, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Pentonville, AL
- Average sunshine days in September: 13 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in September
Pentonville, AL
- Average UV index in September: 6
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
Pentonville, AL
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Pentonville, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Pentonville, Alabama, USA
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