Augusta weather in September: Augusta, Georgia: normal highs, lows, rain and records for September
Augusta in September has a normal high of 88°F and a normal low of 65°F, a daily mean of 76°F, falling from 91°F on the 1st to 84°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 3.60 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 18°C, 91 mm of precipitation in September.
- NOAA stationAugusta Bush Field Airport
- Station IDUSW00003820
- Location33.36°N 81.96°W
- Elevation132 ft (40 m)
- Population201,737
- Jan 60° 35°
- Feb 64° 38°
- Mar 71° 44°
- Apr 79° 51°
- May 86° 60°
- Jun 91° 68°
- Jul 94° 72°
- Aug 93° 71°
- Sep 88° 65°
- Oct 79° 53°
- Nov 69° 42°
- Dec 62° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Augusta in September?
The normal high is 88°F and the normal low 65°F, for a daily mean of 76.4°F. September is 5.4°F cooler than August and 10.4°F warmer than October. September is the 4th warmest month of the year in Augusta and the 8th wettest. Across the month the normal high falls 7°F, from 91°F on September 1 to 84°F on September 30. From one year to the next September's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 74°F and 78°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 91°F | 69°F | 30% | 18% |
| September 8 | 90°F | 67°F | 27% | 17% |
| September 15 | 88°F | 65°F | 26% | 16% |
| September 22 | 86°F | 63°F | 25% | 15% |
| September 30 | 84°F | 60°F | 24% | 15% |
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 | 91°F | 69°F | 30% | 18% | 12 h 50 min |
| September 2 | 91°F | 69°F | 29% | 18% | 12 h 50 min |
| September 3 | 90°F | 69°F | 29% | 18% | 12 h 50 min |
| September 4 | 90°F | 68°F | 29% | 17% | 12 h 50 min |
| September 5 | 90°F | 68°F | 28% | 17% | 12 h 50 min |
| September 6 | 90°F | 68°F | 28% | 17% | 12 h 40 min |
| September 7 | 90°F | 68°F | 28% | 17% | 12 h 40 min |
| September 8 | 90°F | 67°F | 27% | 17% | 12 h 40 min |
| September 9 | 89°F | 67°F | 27% | 16% | 12 h 40 min |
| September 10 | 89°F | 67°F | 27% | 16% | 12 h 40 min |
| September 11 | 89°F | 67°F | 27% | 16% | 12 h 30 min |
| September 12 | 89°F | 66°F | 26% | 16% | 12 h 30 min |
| September 13 | 89°F | 66°F | 26% | 16% | 12 h 30 min |
| September 14 | 88°F | 66°F | 26% | 16% | 12 h 30 min |
| September 15 | 88°F | 65°F | 26% | 16% | 12 h 30 min |
| September 16 | 88°F | 65°F | 26% | 16% | 12 h 20 min |
| September 17 | 88°F | 65°F | 25% | 15% | 12 h 20 min |
| September 18 | 87°F | 65°F | 25% | 15% | 12 h 20 min |
| September 19 | 87°F | 64°F | 25% | 15% | 12 h 20 min |
| September 20 | 87°F | 64°F | 25% | 15% | 12 h 20 min |
| September 21 | 87°F | 64°F | 25% | 15% | 12 h 10 min |
| September 22 | 86°F | 63°F | 25% | 15% | 12 h 10 min |
| September 23 | 86°F | 63°F | 25% | 15% | 12 h 10 min |
| September 24 | 86°F | 62°F | 25% | 15% | 12 h 10 min |
| September 25 | 86°F | 62°F | 25% | 15% | 12 h 10 min |
| September 26 | 85°F | 62°F | 24% | 15% | 12 h |
| September 27 | 85°F | 61°F | 24% | 15% | 12 h |
| September 28 | 85°F | 61°F | 24% | 15% | 12 h |
| September 29 | 84°F | 61°F | 24% | 15% | 12 h |
| September 30 | 84°F | 60°F | 24% | 15% | 11 h 50 min |
- Normal high
- 88°FSeptember average
- Normal low
- 65°FSeptember average
- Precipitation
- 3.60 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 11
- Daylight
- 12 h 50 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 26
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003820; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Augusta in September?
On a given September day the chance of 0.01 inch or more is 26% on average, highest around September 1 (30%). In all, 3.60 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Augusta, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003820.
How humid and windy is Augusta in September?
At 3 p.m. the normal temperature is 81°F with 49% relative humidity and a dew point of 60°F; at 6 a.m. it is 61°F with 92% humidity. The wind averages 4.6 mph, most often from the northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 61°F | 59°F | 92% | 3.0 mph | – |
| 9 a.m. | 70°F | 62°F | 77% | 5.0 mph | 62% |
| noon | 79°F | 61°F | 54% | 7.5 mph | 61% |
| 3 p.m. | 81°F | 60°F | 49% | 7.5 mph | 57% |
| 6 p.m. | 75°F | 63°F | 66% | 5.0 mph | 69% |
| 9 p.m. | 67°F | 62°F | 86% | 3.1 mph | 72% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003820. 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 Augusta?
The warmest September temperature on Augusta's official record (since 1874) is 106°F, on September 4, 1925; the coldest is 36°F, on September 30, 1967. The wettest September brought 11.36 in (1929).
The September mean against the 1991-2020 normal of 76.4°F: 2021 75.1°F (−1.3), 2022 73.5°F (−2.9), 2023 73.7°F (−2.7), 2025 74.5°F (−2.0), 2026 77.9°F (+1.5). 1 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.1°F | −1.3°F | 6.65 in |
| 2022 | 73.5°F | −2.9°F | 2.25 in |
| 2023 | 73.7°F | −2.7°F | 5.24 in |
| 2025 | 74.5°F | −2.0°F | 0.72 in |
| 2026 | 77.9°F | +1.5°F | 2.20 in |
Source: records: ACIS, NWS threaded record AGSthr; recent months: ACIS, station USW00003820. Records and recent months use complete months only.
How does September in Augusta 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; Augusta's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.