Athens weather in September: Athens, Georgia: normal highs, lows, rain and records for September
Athens in September has a normal high of 85°F and a normal low of 63°F, a daily mean of 74°F, falling from 88°F on the 1st to 81°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 3.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 17°C, 99 mm of precipitation in September.
- NOAA stationAthens Ben Epps Airport
- Station IDUSW00013873
- Location33.95°N 83.33°W
- Elevation785 ft (239 m)
- From the center2 miles
- Population128,691
- Jan 55° 34°
- Feb 59° 37°
- Mar 67° 43°
- Apr 75° 50°
- May 82° 59°
- Jun 89° 67°
- Jul 92° 70°
- Aug 90° 69°
- Sep 85° 63°
- Oct 75° 52°
- Nov 65° 42°
- Dec 57° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Athens in September?
The normal high is 85°F and the normal low 63°F, for a daily mean of 73.9°F. September is 5.9°F cooler than August and 10.4°F warmer than October. September is the 4th warmest month of the year in Athens and the 8th wettest. Across the month the normal high falls 7°F, from 88°F on September 1 to 81°F on September 30. From one year to the next September's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 72°F and 76°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 88°F | 67°F | 26% | 17% |
| September 8 | 87°F | 66°F | 24% | 16% |
| September 15 | 85°F | 64°F | 24% | 16% |
| September 22 | 83°F | 62°F | 24% | 16% |
| September 30 | 81°F | 59°F | 24% | 16% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 88°F | 67°F | 26% | 17% | 12 h 50 min |
| September 2 | 88°F | 67°F | 26% | 17% | 12 h 50 min |
| September 3 | 88°F | 67°F | 26% | 17% | 12 h 50 min |
| September 4 | 88°F | 67°F | 25% | 17% | 12 h 50 min |
| September 5 | 87°F | 66°F | 25% | 16% | 12 h 50 min |
| September 6 | 87°F | 66°F | 25% | 16% | 12 h 40 min |
| September 7 | 87°F | 66°F | 25% | 16% | 12 h 40 min |
| September 8 | 87°F | 66°F | 24% | 16% | 12 h 40 min |
| September 9 | 86°F | 65°F | 24% | 16% | 12 h 40 min |
| September 10 | 86°F | 65°F | 24% | 16% | 12 h 40 min |
| September 11 | 86°F | 65°F | 24% | 16% | 12 h 30 min |
| September 12 | 86°F | 65°F | 24% | 16% | 12 h 30 min |
| September 13 | 85°F | 64°F | 24% | 16% | 12 h 30 min |
| September 14 | 85°F | 64°F | 24% | 16% | 12 h 30 min |
| September 15 | 85°F | 64°F | 24% | 16% | 12 h 30 min |
| September 16 | 85°F | 63°F | 24% | 16% | 12 h 20 min |
| September 17 | 84°F | 63°F | 24% | 16% | 12 h 20 min |
| September 18 | 84°F | 63°F | 24% | 16% | 12 h 20 min |
| September 19 | 84°F | 63°F | 24% | 16% | 12 h 20 min |
| September 20 | 84°F | 62°F | 24% | 16% | 12 h 20 min |
| September 21 | 83°F | 62°F | 24% | 16% | 12 h 10 min |
| September 22 | 83°F | 62°F | 24% | 16% | 12 h 10 min |
| September 23 | 83°F | 61°F | 24% | 16% | 12 h 10 min |
| September 24 | 82°F | 61°F | 24% | 16% | 12 h 10 min |
| September 25 | 82°F | 60°F | 24% | 16% | 12 h 10 min |
| September 26 | 82°F | 60°F | 24% | 16% | 12 h |
| September 27 | 81°F | 60°F | 24% | 16% | 12 h |
| September 28 | 81°F | 59°F | 24% | 16% | 12 h |
| September 29 | 81°F | 59°F | 24% | 16% | 12 h |
| September 30 | 81°F | 59°F | 24% | 16% | 11 h 50 min |
- Normal high
- 85°FSeptember average
- Normal low
- 63°FSeptember average
- Precipitation
- 3.89 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 12 h 50 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 23
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013873; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Athens in September?
On a given September day the chance of 0.01 inch or more is 24% on average, highest around September 1 (26%). In all, 3.89 in falls on 7 days of a normal September, 1 of them with an inch or more.
In a normal September in Athens, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013873.
How humid and windy is Athens in September?
At 3 p.m. the normal temperature is 78°F with 50% relative humidity and a dew point of 58°F; at 6 a.m. it is 60°F with 90% humidity. The wind averages 5.3 mph, most often from the east-northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 60°F | 57°F | 90% | 4.4 mph | 66% |
| 9 a.m. | 67°F | 59°F | 76% | 6.2 mph | 66% |
| noon | 75°F | 59°F | 56% | 7.1 mph | 63% |
| 3 p.m. | 78°F | 58°F | 50% | 7.0 mph | 59% |
| 6 p.m. | 73°F | 59°F | 61% | 5.0 mph | 72% |
| 9 p.m. | 66°F | 59°F | 78% | 4.4 mph | 74% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013873. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for September in Athens?
The warmest September temperature on Athens's official record (since 1893) is 108°F, on September 8, 1925; the coldest is 30°F, on September 24, 1928. The wettest September brought 11.84 in (2004).
The September mean against the 1991-2020 normal of 73.9°F: 2021 74.5°F (+0.6), 2022 73.0°F (−0.9), 2023 73.7°F (−0.2), 2024 75.0°F (+1.1), 2025 73.5°F (−0.5), 2026 77.5°F (+3.6). 3 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.5°F | +0.6°F | 2.02 in |
| 2022 | 73.0°F | −0.9°F | 2.64 in |
| 2023 | 73.7°F | −0.2°F | 0.18 in |
| 2024 | 75.0°F | +1.1°F | 6.29 in |
| 2025 | 73.5°F | −0.5°F | 3.43 in |
| 2026 | 77.5°F | +3.6°F | 0.70 in |
Source: records: ACIS, NWS threaded record AHNthr; recent months: ACIS, station USW00013873. Records and recent months use complete months only.
How does September in Athens compare across Georgia?
Across the 101 places PlainClimate covers in Georgia, September normal highs run from 72°F in Mountain City to 90°F in Bainbridge; Athens's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.