Montgomery, AL weather in September
Expect hot, humid weather with some rain in Montgomery in September, with highs near 89°F and lows near 66°F. Rain falls on about 7 days.
- Normal high
- 89°F
- Normal low
- 66°F
- Wet days
- 7
- 3.7 in total
- Muggy days
- 19
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 92°F | 86°F |
| Normal low | 70°F | 62°F |
| Chance of a wet day | 26% | 21% |
| Sunrise / sunset | 6:20 am / 7:10 pm | 6:38 am / 6:31 pm |
| Daylight | 12.8 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical September day
- 6 am68°Fdew point 65°F
- 9 am79°Fdew point 67°F
- Noon85°Fdew point 65°F
- 3 pm86°Fdew point 64°F
- 6 pm79°Fdew point 66°F
- 9 pm73°Fdew point 66°F
NOAA hourly normals (local standard time) from Montgomery Airport (8 mi away); average wind 5 mph; clear or few clouds in 53% of daytime hours, mostly cloudy or overcast in 29%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F2 of 30
- Hot dayshigh 90°F or more14 of 30
- Muggy daysdaily mean dew point 65°F or more19 of 30
- Wet daysat least 0.01 in of rain or melted snow7 of 30
- Notable rainat least 0.10 in4 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.7 in; a dry September brings about 2.0 in and a wet one about 4.7 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202019: average high 97°F
- Coolest September1996: average high 84°F
- Wettest September1998: 9.5 in
- Driest September2019: 0.05 in
- Highest reading103°F (September 18, 2019)
- Lowest reading43°F (September 27, 2001)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 94°F | 89°F | 80°F |
| Normal low | 71°F | 66°F | 55°F |
| Wet days | 10 | 7 | 6 |
| Comfortable days | 0 | 2 | 11 |
| Daylight | 13.3 h | 12.4 h | 11.4 h |
Highs change by -5°F from August and -9°F into October.
Nearby alternatives in September
- Cooler: Atlanta, GA146 mi · high 84°F · 7 wet days
How Montgomery ranks in September
- Normal high64th warmest of 378 cities; 1st of 6 in Alabama
- Wet days125th driest of 378
- Comfortable days276th most of 342
What to pack for Montgomery in September
- Light, breathable clothing – highs near 89°F and about 19 muggy days
Heating and cooling
September has 2 heating degree days and 386 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How hot is Montgomery in September?
The normal high is 89°F and the normal low is 66°F. From 1991 to 2020 the hottest September reading was 103°F (most recently on September 18, 2019).
Does it rain a lot in Montgomery in September?
About 7 days in September have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest September in 1991-2020 was in 1998 (9.5 in); the driest was in 2019 (0.05 in).
Is September a good time to visit Montgomery?
September ranks 9th of 12 months on our comfort score for Montgomery (42 out of 100). It has about 2 comfortable days and about 14 days at 90°F or hotter. The best months are March, April and November.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Montgomery Airport (USW00013895), 7.8 mi SW of the city center, 202 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Wetumpka (USC00018859), 18 mi NNE of the city center, 319 ft (81 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Montgomery Rgnl (DANNELLY FD) Airport (722260-13895), 7.8 mi SW of the city center, 217 ft . Hourly observations, 1991-2020.