September weather forecast
Pelham Heights, AL

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Weather in September

The first month of the autumn, September, is still a warm month in Pelham Heights, Alabama, with an average temperature varying between 64°F (17.8°C) and 84°F (28.9°C).

Temperature

Pelham Heights ushers in September with an average high-temperature of a moderately hot 84°F (28.9°C), showing a close resemblance to the previous month. Nightly temperatures drop to an average low of 64°F (17.8°C) in September.

Heat index

The heat index value for September is estimated at a tropical 91.4°F (33°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Note that heat index values are valued for light wind and location in the shade. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
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. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 10.8 days. Throughout September, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 147.2 rainfall days, and 20.12" (511mm) of precipitation is accumulated.

Snowfall

In Pelham Heights, snow does not fall in April through November.

Daylight

The average length of the day in September 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, sunrise is at 6:37 am and sunset at 6:28 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September leads to these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The high-temperature, in September, in Pelham Heights, is 84°F (28.9°C), while the low-temperature averages to 64°F (17.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 91.4°F (33°C).

What is the average humidity in September in Pelham Heights?

In September, the average relative humidity is 74%.

How much does it rain in September?

In September, the rain falls for 10.8 days. Throughout September, 1.22" (31mm) of precipitation is accumulated.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 22min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:08 pm. On the last day of the month, in Pelham Heights, sunrise is at 6:37 am and sunset at 6:28 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September in Pelham Heights is 8.7h.

What is the UV index reading in September?

In Pelham Heights, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pelham Heights, AL

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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