Birmingham Weather in September
September in Birmingham brings high temperatures, with daytime highs of 30°C (86°F) and nights around 19°C (66°F). Quite a bit of rainfall is expected, around 106 mm (4.2 in), so pack an umbrella.
Rainfall in Birmingham in September
You can expect rain on roughly 9 days based on historical data, averaging 106 mm (4.2 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Birmingham in September
September in Birmingham sees highs of 30°C (86°F) and lows of 19°C (66°F) overnight. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Birmingham in September
Expect sunny days throughout the month, with an estimated 224 hours of sunshine. This makes it a pleasant time to visit Birmingham.If your ideal day consists of dry skies and pleasant temperatures, October typically offers the best circumstances for Birmingham.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Birmingham's climate page.
Birmingham Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
30°C (86°F)
Chance of Rain
30%
Precipitation
106 mm (4.2 in)
Rainy days
9 days
Humidity
74%
Sunshine
224 hours
Percentage Sunshine
60%
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Birmingham typically drop from around 31°C (88°F) at the start of September to approximately 27°C (81°F) by the end. Nights are pleasant, with lows typically ranging from 15°C (59°F) to 21°C (70°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Birmingham in September
Browse day-by-day weather records for Birmingham spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Birmingham historical weather extremes in September
Based on 26 years of weather observations (1999-2025), these are the most extreme conditions recorded in Birmingham.
- The hottest September day on record in Birmingham reached 37°C (99°F) (September 17, 2019).
- On September 6, 2011, Birmingham saw its coldest September day with temperatures maxing out at 17°C (63°F).
- The lowest overnight temperature recorded in September was 5°C (41°F) (September 26, 2001).
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Birmingham in September
Warm but pleasant conditions in Birmingham in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Birmingham in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Birmingham's climate page.
Temperature Rainfall Sunshine Humidity
See the full Birmingham climate overview or explore weather in the United States of America.
