Gainesville weather in September: Gainesville, Georgia: normal highs, lows, rain and records for September
Gainesville in September has a normal high of 81°F and a normal low of 63°F, a daily mean of 72°F, falling from 85°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 3.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 17°C, 99 mm of precipitation in September.
- NOAA stationGainesville Gilmer Airport
- Station IDUSW00053838
- Location34.27°N 83.83°W
- Elevation1,275 ft (389 m)
- Population47,712
- Jan 51° 34°
- Feb 55° 36°
- Mar 63° 43°
- Apr 72° 50°
- May 79° 58°
- Jun 85° 66°
- Jul 88° 70°
- Aug 87° 69°
- Sep 81° 63°
- Oct 72° 52°
- Nov 62° 42°
- Dec 53° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Gainesville in September?
The normal high is 81°F and the normal low 63°F, for a daily mean of 72.4°F. September is 5.5°F cooler than August and 10.5°F warmer than October. September is the 4th warmest month of the year in Gainesville and the 11th wettest. Across the month the normal high falls 8°F, from 85°F on September 1 to 77°F on September 30. From one year to the next September's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 70°F and 75°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 | 85°F | 67°F | 30% | 19% |
| September 8 | 83°F | 66°F | 28% | 17% |
| September 15 | 82°F | 64°F | 27% | 16% |
| September 22 | 80°F | 62°F | 27% | 16% |
| September 30 | 77°F | 58°F | 28% | 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 | 85°F | 67°F | 30% | 19% | 13 h |
| September 2 | 85°F | 67°F | 30% | 18% | 12 h 50 min |
| September 3 | 85°F | 67°F | 29% | 18% | 12 h 50 min |
| September 4 | 84°F | 67°F | 29% | 18% | 12 h 50 min |
| September 5 | 84°F | 67°F | 29% | 18% | 12 h 50 min |
| September 6 | 84°F | 66°F | 28% | 17% | 12 h 50 min |
| September 7 | 84°F | 66°F | 28% | 17% | 12 h 40 min |
| September 8 | 83°F | 66°F | 28% | 17% | 12 h 40 min |
| September 9 | 83°F | 66°F | 27% | 17% | 12 h 40 min |
| September 10 | 83°F | 65°F | 27% | 17% | 12 h 40 min |
| September 11 | 83°F | 65°F | 27% | 17% | 12 h 30 min |
| September 12 | 83°F | 65°F | 27% | 17% | 12 h 30 min |
| September 13 | 82°F | 65°F | 27% | 17% | 12 h 30 min |
| September 14 | 82°F | 64°F | 27% | 17% | 12 h 30 min |
| September 15 | 82°F | 64°F | 27% | 16% | 12 h 30 min |
| September 16 | 82°F | 64°F | 27% | 16% | 12 h 20 min |
| September 17 | 81°F | 63°F | 27% | 16% | 12 h 20 min |
| September 18 | 81°F | 63°F | 27% | 16% | 12 h 20 min |
| September 19 | 81°F | 63°F | 27% | 16% | 12 h 20 min |
| September 20 | 80°F | 62°F | 27% | 16% | 12 h 20 min |
| September 21 | 80°F | 62°F | 27% | 16% | 12 h 10 min |
| September 22 | 80°F | 62°F | 27% | 16% | 12 h 10 min |
| September 23 | 80°F | 61°F | 27% | 16% | 12 h 10 min |
| September 24 | 79°F | 61°F | 27% | 16% | 12 h 10 min |
| September 25 | 79°F | 60°F | 28% | 16% | 12 h 10 min |
| September 26 | 79°F | 60°F | 28% | 16% | 12 h |
| September 27 | 78°F | 60°F | 28% | 16% | 12 h |
| September 28 | 78°F | 59°F | 28% | 16% | 12 h |
| September 29 | 78°F | 59°F | 28% | 16% | 12 h |
| September 30 | 77°F | 58°F | 28% | 16% | 11 h 50 min |
- Normal high
- 81°FSeptember average
- Normal low
- 63°FSeptember average
- Precipitation
- 3.89 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 20
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053838; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Gainesville in September?
On a given September day the chance of 0.01 inch or more is 28% on average, highest around September 1 (30%). In all, 3.89 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Gainesville, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053838.
What are the records for September in Gainesville?
The warmest September temperature on this station's record (since 1996) is 97°F, on September 2, 2011; the coldest is 44°F, on September 26, 2001. The wettest September brought 13.85 in (2009).
The September mean against the 1991-2020 normal of 72.4°F: 2021 71.8°F (−0.6), 2022 72.2°F (−0.2), 2023 73.1°F (+0.7), 2024 73.4°F (+1.0), 2025 74.3°F (+1.9), 2026 76.9°F (+4.5). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.8°F | −0.6°F | 4.15 in |
| 2022 | 72.2°F | −0.2°F | 3.53 in |
| 2023 | 73.1°F | +0.7°F | 2.69 in |
| 2024 | 73.4°F | +1.0°F | 10.22 in |
| 2025 | 74.3°F | +1.9°F | 2.61 in |
| 2026 | 76.9°F | +4.5°F | 0.98 in |
Source: records: ACIS, station USW00053838; recent months: ACIS, station USW00053838. Records and recent months use complete months only.
How does September in Gainesville 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; Gainesville's is 81°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Gainesville in August87°F by day, 69°F at night
- Gainesville in October72°F by day, 52°F at night
- Gainesville through the yearEvery month, frost dates, records and recent years
- Georgia in SeptemberThe statewide normal and the warmest and coolest places
- Bainbridge: Georgia's warmest Septembernormal high 90°F