Athens, GA weather in September
Athens is warm and often humid in September, with some rain: highs average 85°F and nights drop to about 63°F. Expect about 7 wet days.
- Normal high
- 85°F
- Normal low
- 63°F
- Wet days
- 7
- 3.9 in total
- Muggy days
- 13
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 88°F | 81°F |
| Normal low | 67°F | 59°F |
| Chance of a wet day | 25% | 24% |
| Sunrise / sunset | 7:07 am / 7:59 pm | 7:27 am / 7:19 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 am65°Fdew point 62°F
- 9 am72°Fdew point 64°F
- Noon80°Fdew point 63°F
- 3 pm82°Fdew point 62°F
- 6 pm78°Fdew point 63°F
- 9 pm71°Fdew point 63°F
NOAA hourly normals (local standard time) from Athens Ben Epps Airport (2 mi away); average wind 5 mph; clear or few clouds in 61% of daytime hours, mostly cloudy or overcast in 28%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F4 of 30
- Hot dayshigh 90°F or more7 of 30
- Muggy daysdaily mean dew point 65°F or more13 of 30
- Wet daysat least 0.01 in of rain or melted snow7 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 3.9 in; a dry September brings about 1.9 in and a wet one about 4.9 in (25th and 75th percentiles). About 3 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 92°F
- Coolest September2000: average high 80°F
- Wettest September2004: 11.8 in
- Driest September2005: 0.2 in
- Highest reading99°F (September 12, 2019)
- Lowest reading45°F (September 30, 2006)
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 | 90°F | 85°F | 75°F |
| Normal low | 69°F | 63°F | 52°F |
| Wet days | 10 | 7 | 7 |
| Comfortable days | 0 | 4 | 16 |
| Daylight | 13.4 h | 12.4 h | 11.3 h |
Highs change by -5°F from August and -10°F into October.
Nearby alternatives in September
- Cooler: Gatlinburg, TN122 mi · high 78°F · 11 wet days
How Athens ranks in September
- Normal high138th warmest of 378 cities; 6th of 8 in Georgia
- Wet days171st driest of 378
- Comfortable days218th most of 342
What to pack for Athens in September
- Light, breathable clothing – highs near 85°F and about 13 muggy days
Heating and cooling
September has 7 heating degree days and 275 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Athens in September?
The normal high is 85°F and the normal low is 63°F. From 1991 to 2020 the hottest September reading was 99°F (September 12, 2019).
Does it rain a lot in Athens in September?
About 7 days in September have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest September in 1991-2020 was in 2004 (11.8 in); the driest was in 2005 (0.2 in).
Is September a good time to visit Athens?
September ranks 7th of 12 months on our comfort score for Athens (50 out of 100). It has about 4 comfortable days and about 7 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: Athens Ben Epps Airport (USW00013873), 2.4 mi E of the city center, 785 ft (169 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snowfall: Winterville (USC00099486), 4.6 mi ENE of the city center, 890 ft (274 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Danielsville (USC00092517), 12 mi NNE of the city center, 780 ft (164 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Athens/Ben Epps Airport (723110-13873), 2.4 mi E of the city center, 784 ft (168 ft higher than the city). Hourly observations, 1991-2020.