Fort Worth weather in September: Fort Worth, Texas: normal highs, lows, rain and records for September
Fort Worth in September has a normal high of 89°F and a normal low of 68°F, a daily mean of 78°F, falling from 94°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 6 days in a normal September, 3.17 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 20°C, 81 mm of precipitation in September.
- NOAA stationFort Worth Alliance Airport
- Station IDUSW00053909
- Location32.97°N 97.32°W
- Elevation685 ft (209 m)
- From the center13 miles
- Population1,008,106
- Jan 57° 36°
- Feb 62° 40°
- Mar 69° 48°
- Apr 77° 55°
- May 84° 64°
- Jun 93° 73°
- Jul 97° 76°
- Aug 97° 76°
- Sep 89° 68°
- Oct 79° 56°
- Nov 67° 46°
- Dec 59° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fort Worth in September?
The normal high is 89°F and the normal low 68°F, for a daily mean of 78.4°F. September is 8.1°F cooler than August and 10.7°F warmer than October. September is the 4th warmest month of the year in Fort Worth and the 5th wettest. Across the month the normal high falls 9°F, from 94°F on September 1 to 85°F on September 30. From one year to the next September's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 75°F and 82°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 19%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 94°F | 73°F | 19% | 13% |
| September 8 | 91°F | 70°F | 19% | 13% |
| September 15 | 89°F | 68°F | 19% | 13% |
| September 22 | 87°F | 65°F | 19% | 13% |
| September 30 | 85°F | 62°F | 19% | 13% |
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 | 94°F | 73°F | 19% | 13% | 12 h 50 min |
| September 2 | 93°F | 72°F | 19% | 13% | 12 h 50 min |
| September 3 | 93°F | 72°F | 19% | 13% | 12 h 50 min |
| September 4 | 93°F | 72°F | 19% | 13% | 12 h 50 min |
| September 5 | 92°F | 71°F | 19% | 13% | 12 h 50 min |
| September 6 | 92°F | 71°F | 19% | 13% | 12 h 40 min |
| September 7 | 92°F | 71°F | 19% | 13% | 12 h 40 min |
| September 8 | 91°F | 70°F | 19% | 13% | 12 h 40 min |
| September 9 | 91°F | 70°F | 19% | 13% | 12 h 40 min |
| September 10 | 91°F | 70°F | 19% | 13% | 12 h 40 min |
| September 11 | 91°F | 69°F | 19% | 13% | 12 h 30 min |
| September 12 | 90°F | 69°F | 19% | 13% | 12 h 30 min |
| September 13 | 90°F | 69°F | 19% | 13% | 12 h 30 min |
| September 14 | 90°F | 68°F | 19% | 13% | 12 h 30 min |
| September 15 | 89°F | 68°F | 19% | 13% | 12 h 30 min |
| September 16 | 89°F | 68°F | 19% | 13% | 12 h 20 min |
| September 17 | 89°F | 67°F | 19% | 13% | 12 h 20 min |
| September 18 | 89°F | 67°F | 19% | 13% | 12 h 20 min |
| September 19 | 88°F | 66°F | 19% | 13% | 12 h 20 min |
| September 20 | 88°F | 66°F | 19% | 13% | 12 h 20 min |
| September 21 | 88°F | 66°F | 19% | 13% | 12 h 10 min |
| September 22 | 87°F | 65°F | 19% | 13% | 12 h 10 min |
| September 23 | 87°F | 65°F | 19% | 13% | 12 h 10 min |
| September 24 | 87°F | 65°F | 19% | 13% | 12 h 10 min |
| September 25 | 86°F | 64°F | 19% | 13% | 12 h 10 min |
| September 26 | 86°F | 64°F | 19% | 13% | 12 h |
| September 27 | 86°F | 63°F | 19% | 13% | 12 h |
| September 28 | 85°F | 63°F | 19% | 13% | 12 h |
| September 29 | 85°F | 63°F | 19% | 13% | 12 h |
| September 30 | 85°F | 62°F | 19% | 13% | 12 h |
- Normal high
- 89°FSeptember average
- Normal low
- 68°FSeptember average
- Precipitation
- 3.17 inmonth total
- Days with precipitation
- 60.01 inch or more
- Days at 90°F or more
- 17
- 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
- 27
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053909; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Fort Worth in September?
On a given September day the chance of 0.01 inch or more is 19% on average, highest around September 29 (19%). In all, 3.17 in falls on 6 days of a normal September, 1 of them with an inch or more.
In a normal September in Fort Worth, 17 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053909.
How humid and windy is Fort Worth in September?
At 3 p.m. the normal temperature is 84°F with 39% relative humidity and a dew point of 56°F; at 6 a.m. it is 63°F with 81% humidity. The wind averages 7.5 mph, most often from the southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 63°F | 57°F | 81% | 5.1 mph | 74% |
| 9 a.m. | 72°F | 59°F | 64% | 8.8 mph | 70% |
| noon | 81°F | 58°F | 46% | 9.9 mph | 66% |
| 3 p.m. | 84°F | 56°F | 39% | 10.0 mph | 65% |
| 6 p.m. | 79°F | 56°F | 45% | 8.5 mph | 77% |
| 9 p.m. | 71°F | 57°F | 62% | 6.4 mph | 80% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00053909. 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 Fort Worth?
The warmest September temperature on this station's record (since 1997) is 112°F, on September 4, 2000; the coldest is 41°F, on September 30, 1999. The wettest September brought 8.40 in (2010).
The September mean against the 1991-2020 normal of 78.4°F: 2021 80.1°F (+1.7), 2022 80.0°F (+1.6), 2023 84.3°F (+5.9), 2024 78.7°F (+0.3), 2025 80.3°F (+1.9), 2026 87.6°F (+9.2). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 80.1°F | +1.7°F | 0.41 in |
| 2022 | 80.0°F | +1.6°F | 1.18 in |
| 2023 | 84.3°F | +5.9°F | 1.31 in |
| 2024 | 78.7°F | +0.3°F | 2.63 in |
| 2025 | 80.3°F | +1.9°F | 0.04 in |
| 2026 | 87.6°F | +9.2°F | 0.39 in |
Source: records: ACIS, station USW00053909; recent months: ACIS, station USW00053909. Records and recent months use complete months only.
How does September in Fort Worth compare across Texas?
Across the 321 places PlainClimate covers in Texas, September normal highs run from 81°F in Hart to 95°F in Presidio; Fort Worth's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.