Memphis, TN weather in September
September in Memphis: warm and often humid, with some rain. Highs 86°F, lows 66°F, about 7 days with rain.
- Normal high
- 86°F
- Normal low
- 66°F
- Wet days
- 7
- 3.0 in total
- Muggy days
- 14
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 90°F | 82°F |
| Normal low | 70°F | 61°F |
| Chance of a wet day | 24% | 23% |
| Sunrise / sunset | 6:32 am / 7:27 pm | 6:54 am / 6:46 pm |
| Daylight | 12.9 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 62°F
- 9 am76°Fdew point 63°F
- Noon82°Fdew point 62°F
- 3 pm84°Fdew point 61°F
- 6 pm79°Fdew point 62°F
- 9 pm74°Fdew point 62°F
NOAA hourly normals (local standard time) from Memphis Intl Airport (7 mi away); average wind 7 mph; clear or few clouds in 38% of daytime hours, mostly cloudy or overcast in 39%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F4 of 30
- Hot dayshigh 90°F or more10 of 30
- Muggy daysdaily mean dew point 65°F or more14 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
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.0 in; a dry September brings about 1.3 in and a wet one about 3.7 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 94°F
- Coolest September2003: average high 81°F
- Wettest September2002: 12.3 in
- Driest September2019: 0.1 in
- Highest reading102°F (September 4, 2000)
- Lowest reading46°F (September 26, 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 | 92°F | 86°F | 75°F |
| Normal low | 73°F | 66°F | 54°F |
| Wet days | 8 | 7 | 8 |
| Comfortable days | 0 | 4 | 14 |
| Daylight | 13.4 h | 12.4 h | 11.3 h |
Highs change by -6°F from August and -11°F into October.
How Memphis ranks in September
- Normal high129th warmest of 378 cities; 1st of 7 in Tennessee
- Wet days157th driest of 378
- Comfortable days217th most of 342
What to pack for Memphis in September
- Light, breathable clothing – highs near 86°F and about 14 muggy days
Heating and cooling
September has 7 heating degree days and 335 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How hot is Memphis in September?
The normal high is 86°F and the normal low is 66°F. From 1991 to 2020 the hottest September reading was 102°F (most recently on September 4, 2000).
Does it rain a lot in Memphis in September?
About 7 days in September have at least 0.01 in of precipitation, and the normal total is 3.0 in. The wettest September in 1991-2020 was in 2002 (12.3 in); the driest was in 2019 (0.1 in).
Is September a good time to visit Memphis?
September ranks 7th of 12 months on our comfort score for Memphis (49 out of 100). It has about 4 comfortable days and about 10 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Memphis Intl Airport (USW00013893), 7.3 mi SSE of the city center, 254 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: W Memphis (USC00037712), 7.6 mi WSW of the city center, 215 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Memphis International Airport (723340-13893), 7.4 mi SSE of the city center, 251 ft . Hourly observations, 1991-2020.