Grand Prairie weather in September: Grand Prairie, Texas: normal highs, lows, rain and records for September
Grand Prairie in September has a normal high of 90°F and a normal low of 66°F, a daily mean of 78°F, falling from 95°F on the 1st to 86°F by the 30th. Measurable precipitation falls on 6 days in a normal September, 3.12 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 19°C, 79 mm of precipitation in September.
- NOAA stationJoe Pool Lake
- Station IDUSC00414597
- Location32.64°N 96.97°W
- Elevation591 ft (180 m)
- From the center4 miles
- Population207,331
- Jan 58° 33°
- Feb 62° 38°
- Mar 69° 45°
- Apr 77° 53°
- May 84° 61°
- Jun 92° 69°
- Jul 96° 73°
- Aug 97° 73°
- Sep 90° 66°
- Oct 80° 54°
- Nov 68° 45°
- Dec 60° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Grand Prairie in September?
The normal high is 90°F and the normal low 66°F, for a daily mean of 78.3°F. September is 6.3°F cooler than August and 11.3°F warmer than October. September is the 4th warmest month of the year in Grand Prairie and the 7th wettest. Across the month the normal high falls 9°F, from 95°F on September 1 to 86°F on September 30. From one year to the next September's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 75°F and 81°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 20%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 95°F | 71°F | 20% | 14% |
| September 8 | 93°F | 69°F | 19% | 14% |
| September 15 | 91°F | 67°F | 19% | 14% |
| September 22 | 89°F | 64°F | 18% | 13% |
| September 30 | 86°F | 61°F | 18% | 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 | 95°F | 71°F | 20% | 14% | 12 h 50 min |
| September 2 | 94°F | 70°F | 20% | 14% | 12 h 50 min |
| September 3 | 94°F | 70°F | 20% | 14% | 12 h 50 min |
| September 4 | 94°F | 70°F | 20% | 14% | 12 h 50 min |
| September 5 | 94°F | 70°F | 20% | 14% | 12 h 40 min |
| September 6 | 93°F | 70°F | 19% | 14% | 12 h 40 min |
| September 7 | 93°F | 69°F | 19% | 14% | 12 h 40 min |
| September 8 | 93°F | 69°F | 19% | 14% | 12 h 40 min |
| September 9 | 92°F | 69°F | 19% | 14% | 12 h 40 min |
| September 10 | 92°F | 68°F | 19% | 14% | 12 h 30 min |
| September 11 | 92°F | 68°F | 19% | 14% | 12 h 30 min |
| September 12 | 92°F | 68°F | 19% | 14% | 12 h 30 min |
| September 13 | 91°F | 67°F | 19% | 14% | 12 h 30 min |
| September 14 | 91°F | 67°F | 19% | 14% | 12 h 30 min |
| September 15 | 91°F | 67°F | 19% | 14% | 12 h 30 min |
| September 16 | 90°F | 66°F | 18% | 14% | 12 h 20 min |
| September 17 | 90°F | 66°F | 18% | 14% | 12 h 20 min |
| September 18 | 90°F | 66°F | 18% | 14% | 12 h 20 min |
| September 19 | 89°F | 65°F | 18% | 14% | 12 h 20 min |
| September 20 | 89°F | 65°F | 18% | 14% | 12 h 20 min |
| September 21 | 89°F | 64°F | 18% | 13% | 12 h 10 min |
| September 22 | 89°F | 64°F | 18% | 13% | 12 h 10 min |
| September 23 | 88°F | 64°F | 18% | 13% | 12 h 10 min |
| September 24 | 88°F | 63°F | 18% | 13% | 12 h 10 min |
| September 25 | 88°F | 63°F | 18% | 13% | 12 h 10 min |
| September 26 | 87°F | 62°F | 18% | 13% | 12 h |
| September 27 | 87°F | 62°F | 18% | 13% | 12 h |
| September 28 | 87°F | 62°F | 18% | 13% | 12 h |
| September 29 | 86°F | 61°F | 18% | 13% | 12 h |
| September 30 | 86°F | 61°F | 18% | 13% | 12 h |
- Normal high
- 90°FSeptember average
- Normal low
- 66°FSeptember average
- Precipitation
- 3.12 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
- 28
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00414597; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Grand Prairie in September?
On a given September day the chance of 0.01 inch or more is 18% on average, highest around September 1 (20%). In all, 3.12 in falls on 6 days of a normal September, 1 of them with an inch or more.
In a normal September in Grand Prairie, 17 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00414597.
How does September in Grand Prairie 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; Grand Prairie's is 90°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Grand Prairie in August97°F by day, 73°F at night
- Grand Prairie in October80°F by day, 54°F at night
- Grand Prairie through the yearEvery month, frost dates, records and recent years
- Texas in SeptemberThe statewide normal and the warmest and coolest places
- Presidio: Texas's warmest Septembernormal high 95°F