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 beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 84.7°F (29.3°C) in August to a still moderately hot 78.4°F (25.8°C). Throughout September, Birmingham records an average temperature of 59.7°F (15.4°C) at night.Humidity
In Birmingham, the average relative humidity in September is 74%.Rainfall
In Birmingham, in September, it is raining for 12.1 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 132.1 rainfall days, and 26.97" (685mm) 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 26min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:01 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Birmingham, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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?
How much does it rain 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 reading in September?
Average temperature in September
Birmingham, MO
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Birmingham, MO
- 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 (29.89"Hg).
Average wind speed in September
Birmingham, MO
- Average wind speed in September: 7.1mph
The windiest months (with the highest average wind speed) are February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Birmingham, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in September
Birmingham, MO
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Birmingham, MO
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Birmingham, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Birmingham, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.5 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, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Birmingham, MO
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in September
Birmingham, MO
- Average UV index in September: 5
The months with the highest UV index are 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, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Birmingham, MO
- 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, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location