Augusta, GA weather in September
In September, Augusta sees highs around 88°F and lows around 65°F: hot and humid, with some rain. Expect about 8 wet days.
- Normal high
- 88°F
- Normal low
- 65°F
- Wet days
- 8
- 3.6 in total
- Muggy days
- 18
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 91°F | 84°F |
| Normal low | 69°F | 60°F |
| Chance of a wet day | 29% | 24% |
| Sunrise / sunset | 7:02 am / 7:54 pm | 7:21 am / 7:14 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 (Eastern Time).
A typical September day
- 6 am66°Fdew point 64°F
- 9 am74°Fdew point 66°F
- Noon83°Fdew point 65°F
- 3 pm85°Fdew point 64°F
- 6 pm80°Fdew point 66°F
- 9 pm71°Fdew point 66°F
NOAA hourly normals (local standard time) from Augusta Bush Fld Airport (6 mi away); average wind 4 mph; clear or few clouds in 59% of daytime hours, mostly cloudy or overcast in 27%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F2 of 30
- Hot dayshigh 90°F or more11 of 30
- Muggy daysdaily mean dew point 65°F or more18 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in5 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 3.6 in; a dry September brings about 1.6 in and a wet one about 5.5 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 September1995: average high 83°F
- Wettest September1998: 8.7 in
- Driest September1994: 0.6 in
- Highest reading101°F (September 30, 2019)
- Lowest reading42°F (September 23, 1999)
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 | 93°F | 88°F | 79°F |
| Normal low | 71°F | 65°F | 53°F |
| Wet days | 11 | 8 | 6 |
| Comfortable days | 0 | 2 | 13 |
| Daylight | 13.3 h | 12.4 h | 11.3 h |
Highs change by -5°F from August and -9°F into October.
Nearby alternatives in September
- Cooler: North Charleston, SC126 mi · high 83°F · 10 wet days
How Augusta ranks in September
- Normal high103rd warmest of 378 cities; 1st of 8 in Georgia
- Wet days191st driest of 378
- Comfortable days259th most of 342
What to pack for Augusta in September
- Light, breathable clothing – highs near 88°F and about 18 muggy days
Heating and cooling
September has 3 heating degree days and 345 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How hot is Augusta in September?
The normal high is 88°F and the normal low is 65°F. From 1991 to 2020 the hottest September reading was 101°F (most recently on September 30, 2019).
Does it rain a lot in Augusta in September?
About 8 days in September have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest September in 1991-2020 was in 1998 (8.7 in); the driest was in 1994 (0.6 in).
Is September a good time to visit Augusta?
September ranks 9th of 12 months on our comfort score for Augusta (45 out of 100). It has about 2 comfortable days and about 11 days at 90°F or hotter. The best months are March, April and November.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Augusta Bush Fld Airport (USW00003820), 6.2 mi E of the city center, 132 ft (212 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Augusta Regional At Bush Field Airport (722180-03820), 6.2 mi E of the city center, 134 ft (210 ft lower than the city). Hourly observations, 1991-2020.