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
September ushers in a minor alteration in Birmingham's climate, with the average high-temperature moving from August's 82.9°F (28.3°C) to a still warm 76.5°F (24.7°C). Birmingham experiences an average low-temperature of 61.3°F (16.3°C) in the month of September.Humidity
In Birmingham, the average relative humidity in September is 77%.Rainfall
January and September are months with the least rain when the rain falls for 8.6 days and typically aggregates up to 0.39" (10mm) of rain.Snowfall
In Birmingham, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:42 pm EDT.
Sunshine
The average sunshine in September in Birmingham is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month in Birmingham?
How many days does it rain in September in Birmingham?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Birmingham, NJ
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Birmingham, NJ
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Birmingham, NJ
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Birmingham, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are May, June and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Birmingham, NJ
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are January and September (0.39").
Average rainfall days in September
Birmingham, NJ
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Birmingham, NJ
- Average snowfall in September: 0"
The months with the highest snowfall are January and March (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Birmingham, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Birmingham, NJ
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Birmingham, NJ
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in September
Birmingham, NJ
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Birmingham, NJ
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Birmingham, NJ
- 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).
Birmingham, New Jersey, USA
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