College Station weather in September: College Station, Texas: normal highs, lows, rain and records for September
College Station in September has a normal high of 91°F and a normal low of 70°F, a daily mean of 81°F, falling from 95°F on the 1st to 87°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 3.50 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 21°C, 89 mm of precipitation in September.
- NOAA stationCollege Station Easterwood Field
- Station IDUSW00003904
- Location30.59°N 96.36°W
- Elevation305 ft (93 m)
- Population128,023
- Jan 62° 41°
- Feb 66° 45°
- Mar 73° 52°
- Apr 79° 58°
- May 86° 66°
- Jun 92° 73°
- Jul 95° 75°
- Aug 97° 75°
- Sep 91° 70°
- Oct 82° 60°
- Nov 71° 50°
- Dec 63° 43°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is College Station in September?
The normal high is 91°F and the normal low 70°F, for a daily mean of 80.6°F. September is 5.1°F cooler than August and 9.5°F warmer than October. September is the 4th warmest month of the year in College Station and the 5th wettest. Across the month the normal high falls 8°F, from 95°F on September 1 to 87°F on September 30. From one year to the next September's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 79°F and 83°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 95°F | 73°F | 24% | 16% |
| September 8 | 93°F | 72°F | 25% | 16% |
| September 15 | 91°F | 70°F | 24% | 16% |
| September 22 | 90°F | 68°F | 23% | 15% |
| September 30 | 87°F | 66°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 | 95°F | 73°F | 24% | 16% | 12 h 50 min |
| September 2 | 94°F | 73°F | 24% | 16% | 12 h 50 min |
| September 3 | 94°F | 73°F | 24% | 16% | 12 h 50 min |
| September 4 | 94°F | 73°F | 24% | 16% | 12 h 40 min |
| September 5 | 94°F | 73°F | 25% | 16% | 12 h 40 min |
| September 6 | 94°F | 72°F | 25% | 16% | 12 h 40 min |
| September 7 | 93°F | 72°F | 25% | 16% | 12 h 40 min |
| September 8 | 93°F | 72°F | 25% | 16% | 12 h 40 min |
| September 9 | 93°F | 72°F | 24% | 16% | 12 h 30 min |
| September 10 | 93°F | 72°F | 24% | 16% | 12 h 30 min |
| September 11 | 92°F | 71°F | 24% | 16% | 12 h 30 min |
| September 12 | 92°F | 71°F | 24% | 16% | 12 h 30 min |
| September 13 | 92°F | 71°F | 24% | 16% | 12 h 30 min |
| September 14 | 92°F | 71°F | 24% | 16% | 12 h 30 min |
| September 15 | 91°F | 70°F | 24% | 16% | 12 h 20 min |
| September 16 | 91°F | 70°F | 24% | 16% | 12 h 20 min |
| September 17 | 91°F | 70°F | 24% | 16% | 12 h 20 min |
| September 18 | 91°F | 70°F | 23% | 15% | 12 h 20 min |
| September 19 | 90°F | 69°F | 23% | 15% | 12 h 20 min |
| September 20 | 90°F | 69°F | 23% | 15% | 12 h 10 min |
| September 21 | 90°F | 69°F | 23% | 15% | 12 h 10 min |
| September 22 | 90°F | 68°F | 23% | 15% | 12 h 10 min |
| September 23 | 89°F | 68°F | 23% | 15% | 12 h 10 min |
| September 24 | 89°F | 68°F | 22% | 15% | 12 h 10 min |
| September 25 | 89°F | 68°F | 22% | 15% | 12 h 10 min |
| September 26 | 89°F | 67°F | 22% | 15% | 12 h |
| September 27 | 88°F | 67°F | 22% | 15% | 12 h |
| September 28 | 88°F | 67°F | 22% | 15% | 12 h |
| September 29 | 88°F | 66°F | 22% | 14% | 12 h |
| September 30 | 87°F | 66°F | 22% | 14% | 12 h |
- Normal high
- 91°FSeptember average
- Normal low
- 70°FSeptember average
- Precipitation
- 3.50 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 20
- 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
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003904; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in College Station in September?
On a given September day the chance of 0.01 inch or more is 23% on average, highest around September 5 (25%). In all, 3.50 in falls on 7 days of a normal September, 1 of them with an inch or more.
In a normal September in College Station, 20 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003904.
What are the records for September in College Station?
The warmest September temperature on College Station's official record (since 1888) is 112°F, on September 4, 2000; the coldest is 41°F, on September 19, 1901. The wettest September brought 14.86 in (1889).
The September mean against the 1991-2020 normal of 80.6°F: 2021 81.4°F (+0.8), 2022 81.4°F (+0.8), 2023 88.0°F (+7.4), 2024 82.8°F (+2.2), 2025 81.0°F (+0.4), 2026 86.1°F (+5.5). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 81.4°F | +0.8°F | 2.75 in |
| 2022 | 81.4°F | +0.8°F | 2.54 in |
| 2023 | 88.0°F | +7.4°F | 0.85 in |
| 2024 | 82.8°F | +2.2°F | 0.73 in |
| 2025 | 81.0°F | +0.4°F | 0.04 in |
| 2026 | 86.1°F | +5.5°F | 1.28 in |
Source: records: ACIS, NWS threaded record CLLthr; recent months: ACIS, station USW00003904. Records and recent months use complete months only.
How does September in College Station 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; College Station's is 91°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- College Station in August97°F by day, 75°F at night
- College Station in October82°F by day, 60°F at night
- College Station 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