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 signals a subtle shift in temperature, down from a warm 79.7°F (26.5°C) in August to a pleasant 72.5°F (22.5°C). Throughout September nights, Birmingham experiences a consistent temperature average of 52.2°F (11.2°C).Humidity
In Birmingham, the average relative humidity in September is 80%.Rainfall
In Birmingham, in September, during 13.6 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 176.6 rainfall days, and 30.94" (786mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Birmingham, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:56 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Birmingham, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Birmingham in September?
What is the average humidity in September?
How much does it rain in Birmingham in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Birmingham have in September?
What is the UV index intensity in September?
Average temperature in September
Birmingham, PA
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Birmingham, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Birmingham, PA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Birmingham, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, June and July (77%).
Average rainfall in September
Birmingham, PA
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in September
Birmingham, PA
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (10.5 days).
Average snowfall in September
Birmingham, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Birmingham, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Birmingham, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Birmingham, PA
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in September
Birmingham, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Birmingham, PA
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Birmingham, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Birmingham, Pennsylvania, USA
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