Climate averages 1991–2020
Montgomery weather
in September.
A hot, moderately wet month: the 4th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Montgomery: daytime highs average 30.2°C and nights cool to about 20.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 78 mm of rain on roughly 8 days, which makes September a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average September day.
The nearest other city in this atlas is Columbus, United States (124 km away). In September its highs average 29.8°C, about as warm as Montgomery, with 86 mm of rain.
Among the 498 cities listed in the United States, Montgomery ranks joint 113th of 498 for the warmest September highs and joint 268th of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Montgomery is 3.3°C warmer than that mean.
From September to October, average highs fall by 5.3°C to 24.9°C, and monthly rainfall falls from 78 mm to 73 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Montgomery climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.4°C3.7°C | 3.7°C | 106 | 9.6 | 10.310 h |
| February | 15.8°C5.3°C | 5.3°C | 110 | 9.3 | 11.011 h |
| March | 19.6°C8.4°C | 8.4°C | 111 | 9.4 | 12.012 h |
| April | 23.8°C12.1°C | 12.1°C | 95 | 8.3 | 13.013 h |
| May | 28.4°C17.0°C | 17.0°C | 79 | 9.0 | 13.814 h |
| June | 31.3°C21.4°C | 21.4°C | 95 | 12.4 | 14.214 h |
| July | 32.6°C23.2°C | 23.2°C | 100 | 14.8 | 14.114 h |
| August | 32.4°C23.0°C | 23.0°C | 90 | 13.9 | 13.313 h |
| September, selected | 30.2°C20.4°C | 20.4°C | 78 | 8.0 | 12.412 h |
| October | 24.9°C14.5°C | 14.5°C | 73 | 6.5 | 11.411 h |
| November | 18.9°C8.4°C | 8.4°C | 96 | 7.2 | 10.511 h |
| December | 14.6°C5.1°C | 5.1°C | 110 | 9.6 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Columbus, United States in SeptemberUnited States · 124 kmHigh 29.8°C · Low 20.1°C · 86 mm rain
- Hoover in SeptemberUnited States · 125 kmHigh 28.9°C · Low 19.3°C · 86 mm rain
- Birmingham, United States in SeptemberUnited States · 137 kmHigh 28.9°C · Low 19.2°C · 86 mm rain
- Tuscaloosa in SeptemberUnited States · 151 kmHigh 29.9°C · Low 20.0°C · 80 mm rain
- South Fulton in SeptemberUnited States · 204 kmHigh 27.6°C · Low 18.7°C · 88 mm rain
- Albany (Georgia), United States in SeptemberUnited States · 220 kmHigh 30.4°C · Low 20.8°C · 92 mm rain
- Atlanta in SeptemberUnited States · 235 kmHigh 27.3°C · Low 18.1°C · 89 mm rain
- Mobile in SeptemberUnited States · 249 kmHigh 29.4°C · Low 22.2°C · 117 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Montgomery) is explained once on the Montgomery year overview and on the Sources, method and limits page.