Macon weather in September: Macon, Georgia: normal highs, lows, rain and records for September
Macon in September has a normal high of 88°F and a normal low of 65°F, a daily mean of 76°F, falling from 90°F on the 1st to 84°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 3.66 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 18°C, 93 mm of precipitation in September.
- NOAA stationMacon Middle Ga Regional Airport
- Station IDUSW00003813
- Location32.68°N 83.65°W
- Elevation343 ft (105 m)
- From the center9 miles
- Population157,056
- Jan 59° 36°
- Feb 63° 39°
- Mar 71° 45°
- Apr 78° 51°
- May 86° 60°
- Jun 91° 68°
- Jul 94° 72°
- Aug 92° 71°
- Sep 88° 65°
- Oct 79° 53°
- Nov 69° 43°
- Dec 61° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Macon in September?
The normal high is 88°F and the normal low 65°F, for a daily mean of 76.2°F. September is 5.2°F cooler than August and 10.2°F warmer than October. September is the 4th warmest month of the year in Macon and the 8th wettest. Across the month the normal high falls 6°F, from 90°F on September 1 to 84°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 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 28%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 90°F | 69°F | 28% | 17% |
| September 8 | 89°F | 67°F | 26% | 15% |
| September 15 | 88°F | 65°F | 24% | 14% |
| September 22 | 86°F | 63°F | 23% | 14% |
| September 30 | 84°F | 60°F | 22% | 14% |
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 | 90°F | 69°F | 28% | 17% | 12 h 50 min |
| September 2 | 90°F | 68°F | 27% | 16% | 12 h 50 min |
| September 3 | 90°F | 68°F | 27% | 16% | 12 h 50 min |
| September 4 | 90°F | 68°F | 27% | 16% | 12 h 50 min |
| September 5 | 90°F | 68°F | 26% | 16% | 12 h 40 min |
| September 6 | 90°F | 68°F | 26% | 16% | 12 h 40 min |
| September 7 | 89°F | 67°F | 26% | 15% | 12 h 40 min |
| September 8 | 89°F | 67°F | 26% | 15% | 12 h 40 min |
| September 9 | 89°F | 67°F | 25% | 15% | 12 h 40 min |
| September 10 | 89°F | 67°F | 25% | 15% | 12 h 30 min |
| September 11 | 89°F | 66°F | 25% | 15% | 12 h 30 min |
| September 12 | 89°F | 66°F | 24% | 15% | 12 h 30 min |
| September 13 | 88°F | 66°F | 24% | 15% | 12 h 30 min |
| September 14 | 88°F | 66°F | 24% | 15% | 12 h 30 min |
| September 15 | 88°F | 65°F | 24% | 14% | 12 h 30 min |
| September 16 | 88°F | 65°F | 24% | 14% | 12 h 20 min |
| September 17 | 88°F | 65°F | 24% | 14% | 12 h 20 min |
| September 18 | 87°F | 64°F | 23% | 14% | 12 h 20 min |
| September 19 | 87°F | 64°F | 23% | 14% | 12 h 20 min |
| September 20 | 87°F | 64°F | 23% | 14% | 12 h 20 min |
| September 21 | 87°F | 63°F | 23% | 14% | 12 h 10 min |
| September 22 | 86°F | 63°F | 23% | 14% | 12 h 10 min |
| September 23 | 86°F | 63°F | 23% | 14% | 12 h 10 min |
| September 24 | 86°F | 62°F | 23% | 14% | 12 h 10 min |
| September 25 | 86°F | 62°F | 23% | 14% | 12 h 10 min |
| September 26 | 85°F | 62°F | 23% | 14% | 12 h |
| September 27 | 85°F | 61°F | 23% | 14% | 12 h |
| September 28 | 85°F | 61°F | 22% | 14% | 12 h |
| September 29 | 84°F | 60°F | 22% | 14% | 12 h |
| September 30 | 84°F | 60°F | 22% | 14% | 12 h |
- Normal high
- 88°FSeptember average
- Normal low
- 65°FSeptember average
- Precipitation
- 3.66 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 11
- Daylight
- 12 h 50 min to 12 hSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 26
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003813; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Macon in September?
On a given September day the chance of 0.01 inch or more is 24% on average, highest around September 1 (28%). In all, 3.66 in falls on 7 days of a normal September, 1 of them with an inch or more.
In a normal September in Macon, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003813.
How humid and windy is Macon 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 62°F with 92% humidity. The wind averages 5.4 mph, most often from the northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 62°F | 59°F | 92% | 3.8 mph | 63% |
| 9 a.m. | 70°F | 62°F | 77% | 5.9 mph | 62% |
| noon | 79°F | 61°F | 54% | 8.1 mph | 59% |
| 3 p.m. | 81°F | 60°F | 49% | 8.1 mph | 57% |
| 6 p.m. | 77°F | 61°F | 59% | 6.1 mph | 71% |
| 9 p.m. | 68°F | 62°F | 83% | 4.1 mph | 71% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003813. 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 Macon?
The warmest September temperature on Macon's official record (since 1892) is 105°F, on September 8, 1925; the coldest is 35°F, on September 30, 1967. The wettest September brought 12.66 in (2004).
The September mean against the 1991-2020 normal of 76.2°F: 2021 75.0°F (−1.2), 2022 74.3°F (−1.9), 2023 75.4°F (−0.8), 2024 76.4°F (+0.2), 2025 74.5°F (−1.7), 2026 78.3°F (+2.1). 2 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.0°F | −1.2°F | 4.06 in |
| 2022 | 74.3°F | −1.9°F | 2.07 in |
| 2023 | 75.4°F | −0.8°F | 0.95 in |
| 2024 | 76.4°F | +0.2°F | 8.45 in |
| 2025 | 74.5°F | −1.7°F | 0.39 in |
| 2026 | 78.3°F | +2.1°F | 0.42 in |
Source: records: ACIS, NWS threaded record MCNthr; recent months: ACIS, station USW00003813. Records and recent months use complete months only.
How does September in Macon 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; Macon's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.