Climate averages 1991–2020
Memphis weather
in September.
A hot, moderately wet month: the 4th warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Memphis: daytime highs average 28.7°C and nights cool to about 18.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 74 mm of rain on roughly 7 days, which makes September a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Jonesboro (97 km away). In September its highs average 27.9°C, 0.9°C cooler than Memphis, with 79 mm of rain.
Among the 498 cities listed in the United States, Memphis ranks joint 184th of 498 for the warmest September highs and joint 241st of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Memphis is 1.8°C warmer than that mean.
From September to October, average highs fall by 6.0°C to 22.7°C, and monthly rainfall rises from 74 mm to 102 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
Memphis climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.3°C0.6°C | 0.6°C | 98 | 9.6 | 10.110 h |
| February | 11.8°C2.3°C | 2.3°C | 104 | 9.2 | 10.911 h |
| March | 16.5°C6.3°C | 6.3°C | 127 | 11.4 | 11.912 h |
| April | 21.6°C11.3°C | 11.3°C | 122 | 10.0 | 13.113 h |
| May | 26.3°C16.4°C | 16.4°C | 117 | 11.0 | 14.014 h |
| June | 30.5°C20.9°C | 20.9°C | 87 | 9.7 | 14.514 h |
| July | 32.0°C23.1°C | 23.1°C | 93 | 10.4 | 14.314 h |
| August | 31.9°C22.6°C | 22.6°C | 75 | 8.5 | 13.513 h |
| September, selected | 28.7°C18.9°C | 18.9°C | 74 | 7.4 | 12.412 h |
| October | 22.7°C12.7°C | 12.7°C | 102 | 7.4 | 11.311 h |
| November | 15.7°C6.5°C | 6.5°C | 101 | 8.5 | 10.410 h |
| December | 10.9°C2.4°C | 2.4°C | 126 | 9.7 | 9.810 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
- Jonesboro in SeptemberUnited States · 97 kmHigh 27.9°C · Low 18.8°C · 79 mm rain
- Little Rock in SeptemberUnited States · 209 kmHigh 29.0°C · Low 19.5°C · 89 mm rain
- Clarksville in SeptemberUnited States · 287 kmHigh 27.6°C · Low 17.9°C · 82 mm rain
- Franklin in SeptemberUnited States · 300 kmHigh 27.5°C · Low 18.0°C · 82 mm rain
- Tuscaloosa in SeptemberUnited States · 314 kmHigh 29.9°C · Low 20.0°C · 80 mm rain
- Nashville in SeptemberUnited States · 316 kmHigh 27.6°C · Low 17.7°C · 83 mm rain
- Jackson in SeptemberUnited States · 317 kmHigh 30.4°C · Low 19.9°C · 83 mm rain
- Huntsville in SeptemberUnited States · 319 kmHigh 28.1°C · Low 18.6°C · 92 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 Memphis) is explained once on the Memphis year overview and on the Sources, method and limits page.