Dallas weather in September: Dallas, Georgia: normal highs, lows, rain and records for September
Dallas in September has a normal high of 85°F and a normal low of 61°F, a daily mean of 73°F, falling from 88°F on the 1st to 80°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 4.41 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 16°C, 112 mm of precipitation in September.
- NOAA stationDallas (7 mi NE)
- Station IDUSC00092485
- Location34.00°N 84.75°W
- Elevation1,028 ft (313 m)
- Population15,062
- Jan 53° 31°
- Feb 57° 34°
- Mar 65° 40°
- Apr 74° 48°
- May 81° 57°
- Jun 87° 65°
- Jul 90° 68°
- Aug 89° 68°
- Sep 85° 61°
- Oct 75° 50°
- Nov 64° 39°
- Dec 55° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Dallas in September?
The normal high is 85°F and the normal low 61°F, for a daily mean of 72.9°F. September is 5.6°F cooler than August and 10.8°F warmer than October. September is the 4th warmest month of the year in Dallas and the 8th wettest. Across the month the normal high falls 8°F, from 88°F on September 1 to 80°F on September 30. From one year to the next September's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 70°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 27%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 88°F | 66°F | 27% | 17% |
| September 8 | 87°F | 64°F | 26% | 16% |
| September 15 | 85°F | 62°F | 25% | 16% |
| September 22 | 83°F | 59°F | 25% | 17% |
| September 30 | 80°F | 56°F | 26% | 17% |
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 | 66°F | 27% | 17% | 12 h 50 min |
| September 2 | 88°F | 65°F | 27% | 17% | 12 h 50 min |
| September 3 | 87°F | 65°F | 27% | 17% | 12 h 50 min |
| September 4 | 87°F | 65°F | 27% | 17% | 12 h 50 min |
| September 5 | 87°F | 65°F | 26% | 17% | 12 h 50 min |
| September 6 | 87°F | 64°F | 26% | 17% | 12 h 40 min |
| September 7 | 87°F | 64°F | 26% | 16% | 12 h 40 min |
| September 8 | 87°F | 64°F | 26% | 16% | 12 h 40 min |
| September 9 | 86°F | 64°F | 26% | 16% | 12 h 40 min |
| September 10 | 86°F | 63°F | 25% | 16% | 12 h 40 min |
| September 11 | 86°F | 63°F | 25% | 16% | 12 h 30 min |
| September 12 | 86°F | 63°F | 25% | 16% | 12 h 30 min |
| September 13 | 85°F | 62°F | 25% | 16% | 12 h 30 min |
| September 14 | 85°F | 62°F | 25% | 16% | 12 h 30 min |
| September 15 | 85°F | 62°F | 25% | 16% | 12 h 30 min |
| September 16 | 85°F | 62°F | 25% | 16% | 12 h 20 min |
| September 17 | 84°F | 61°F | 25% | 16% | 12 h 20 min |
| September 18 | 84°F | 61°F | 25% | 16% | 12 h 20 min |
| September 19 | 84°F | 60°F | 25% | 16% | 12 h 20 min |
| September 20 | 84°F | 60°F | 25% | 17% | 12 h 20 min |
| September 21 | 83°F | 60°F | 25% | 17% | 12 h 10 min |
| September 22 | 83°F | 59°F | 25% | 17% | 12 h 10 min |
| September 23 | 83°F | 59°F | 26% | 17% | 12 h 10 min |
| September 24 | 82°F | 59°F | 26% | 17% | 12 h 10 min |
| September 25 | 82°F | 58°F | 26% | 17% | 12 h 10 min |
| September 26 | 82°F | 58°F | 26% | 17% | 12 h |
| September 27 | 81°F | 58°F | 26% | 17% | 12 h |
| September 28 | 81°F | 57°F | 26% | 17% | 12 h |
| September 29 | 81°F | 57°F | 26% | 17% | 12 h |
| September 30 | 80°F | 56°F | 26% | 17% | 11 h 50 min |
- Normal high
- 85°FSeptember average
- Normal low
- 61°FSeptember average
- Precipitation
- 4.41 inmonth total
- Days with precipitation
- 80.01 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 USC00092485; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Dallas in September?
On a given September day the chance of 0.01 inch or more is 26% on average, highest around September 1 (27%). In all, 4.41 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Dallas, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00092485.
What are the records for September in Dallas?
The warmest September temperature on this station's record (since 1957) is 100°F, on September 14, 2019; the coldest is 30°F, on September 30, 1967. The wettest September brought 21.10 in (2009).
The September mean against the 1991-2020 normal of 72.9°F: 2021 71.3°F (−1.7), 2022 71.1°F (−1.8), 2023 71.9°F (−1.0), 2025 74.5°F (+1.6), 2026 77.2°F (+4.3). 2 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.3°F | −1.7°F | 6.05 in |
| 2022 | 71.1°F | −1.8°F | 2.46 in |
| 2023 | 71.9°F | −1.0°F | 2.18 in |
| 2025 | 74.5°F | +1.6°F | 1.57 in |
| 2026 | 77.2°F | +4.3°F | 1.70 in |
Source: records: ACIS, station USC00092485; recent months: ACIS, station USC00092485. Records and recent months use complete months only.
How does September in Dallas 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; Dallas's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.