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 sees an average high-temperature of a moderately hot 84°F (28.9°C), hardly diverging from August's 88.3°F (31.3°C). An average low-temperature of 64°F (17.8°C) is common in Pelham Heights during the nights of September.Heat index
For most parts of September, the heat index is appraised at a tropical 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional factors encompassing metabolic differences, the level of physical activity, and clothing 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 extremely significant for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In September, the average relative humidity is 74%.Rainfall
In Pelham Heights, Alabama, during September, the rain falls for 10.8 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 147.2 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Pelham Heights is 12h and 22min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:08 pm. On the last day of September, in Pelham Heights, sunrise is at 6:37 am and sunset at 6:28 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index in Pelham Heights is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
Is it hot in Pelham Heights during September?
What is the average humidity in September in Pelham Heights?
How much does it rain in Pelham Heights in September?
When it does not snow in Pelham Heights?
What is the average length of the day in September in Pelham Heights?
When is the sunrise / sunset in September in Pelham Heights?
How many hours of sunshine does Pelham Heights have in September?
What is the UV index intensity in September in Pelham Heights?
Average temperature in September
Pelham Heights, AL
- Average high temperature in September: 84°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 (50.5°F).
- Average low temperature in September: 64°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
Pelham Heights, 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
Pelham Heights, AL
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Pelham Heights, 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
Pelham Heights, AL
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is October (0.98").
Average rainfall days in September
Pelham Heights, AL
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in September
Pelham Heights, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Pelham Heights, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Pelham Heights, 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
Pelham Heights, AL
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Pelham Heights, AL
- Average UV index in September: 5
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
Pelham Heights, 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
Pelham Heights, 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).
Pelham Heights, Alabama, USA
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