Longview weather in September: Longview, Texas: normal highs, lows, rain and records for September
Longview in September has a normal high of 89°F and a normal low of 66°F, a daily mean of 78°F, falling from 93°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 6 days in a normal September, 3.19 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 19°C, 81 mm of precipitation in September.
- NOAA stationLongview E TX Regional Airport
- Station IDUSW00003901
- Location32.38°N 94.71°W
- Elevation365 ft (111 m)
- Population83,668
- Jan 58° 37°
- Feb 62° 40°
- Mar 70° 47°
- Apr 77° 54°
- May 84° 63°
- Jun 91° 70°
- Jul 94° 74°
- Aug 95° 73°
- Sep 89° 66°
- Oct 79° 55°
- Nov 68° 45°
- Dec 60° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Longview in September?
The normal high is 89°F and the normal low 66°F, for a daily mean of 77.7°F. September is 6.1°F cooler than August and 10.7°F warmer than October. September is the 4th warmest month of the year in Longview and the 10th wettest. Across the month the normal high falls 8°F, from 93°F on September 1 to 85°F on September 30. From one year to the next September's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 75°F and 80°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 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 93°F | 71°F | 21% | 14% |
| September 8 | 91°F | 69°F | 21% | 13% |
| September 15 | 89°F | 67°F | 21% | 13% |
| September 22 | 87°F | 64°F | 21% | 14% |
| September 30 | 85°F | 61°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 | 93°F | 71°F | 21% | 14% | 12 h 50 min |
| September 2 | 92°F | 70°F | 21% | 13% | 12 h 50 min |
| September 3 | 92°F | 70°F | 21% | 13% | 12 h 50 min |
| September 4 | 92°F | 70°F | 21% | 13% | 12 h 50 min |
| September 5 | 92°F | 70°F | 21% | 13% | 12 h 40 min |
| September 6 | 92°F | 69°F | 21% | 13% | 12 h 40 min |
| September 7 | 91°F | 69°F | 21% | 13% | 12 h 40 min |
| September 8 | 91°F | 69°F | 21% | 13% | 12 h 40 min |
| September 9 | 91°F | 69°F | 21% | 13% | 12 h 40 min |
| September 10 | 91°F | 68°F | 21% | 13% | 12 h 30 min |
| September 11 | 90°F | 68°F | 21% | 13% | 12 h 30 min |
| September 12 | 90°F | 68°F | 21% | 13% | 12 h 30 min |
| September 13 | 90°F | 67°F | 21% | 13% | 12 h 30 min |
| September 14 | 90°F | 67°F | 21% | 13% | 12 h 30 min |
| September 15 | 89°F | 67°F | 21% | 13% | 12 h 20 min |
| September 16 | 89°F | 66°F | 21% | 13% | 12 h 20 min |
| September 17 | 89°F | 66°F | 21% | 14% | 12 h 20 min |
| September 18 | 89°F | 66°F | 21% | 14% | 12 h 20 min |
| September 19 | 88°F | 65°F | 21% | 14% | 12 h 20 min |
| September 20 | 88°F | 65°F | 21% | 14% | 12 h 20 min |
| September 21 | 88°F | 65°F | 21% | 14% | 12 h 10 min |
| September 22 | 87°F | 64°F | 21% | 14% | 12 h 10 min |
| September 23 | 87°F | 64°F | 21% | 14% | 12 h 10 min |
| September 24 | 87°F | 63°F | 21% | 14% | 12 h 10 min |
| September 25 | 87°F | 63°F | 21% | 14% | 12 h 10 min |
| September 26 | 86°F | 63°F | 22% | 14% | 12 h |
| September 27 | 86°F | 62°F | 22% | 14% | 12 h |
| September 28 | 86°F | 62°F | 22% | 14% | 12 h |
| September 29 | 85°F | 62°F | 22% | 14% | 12 h |
| September 30 | 85°F | 61°F | 22% | 14% | 12 h |
- Normal high
- 89°FSeptember average
- Normal low
- 66°FSeptember average
- Precipitation
- 3.19 inmonth total
- Days with precipitation
- 60.01 inch or more
- Days at 90°F or more
- 16
- 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
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003901; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Longview in September?
On a given September day the chance of 0.01 inch or more is 21% on average, highest around September 30 (22%). In all, 3.19 in falls on 6 days of a normal September, 1 of them with an inch or more.
In a normal September in Longview, 16 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003901.
What are the records for September in Longview?
The warmest September temperature on Longview's official record (since 1902) is 109°F, on September 2, 1939; the coldest is 38°F, on September 30, 1920. The wettest September brought 11.96 in (1913).
The September mean against the 1991-2020 normal of 77.7°F: 2021 76.9°F (−0.8), 2022 77.2°F (−0.5), 2023 80.8°F (+3.1), 2024 77.6°F (−0.1), 2025 78.2°F (+0.5), 2026 85.1°F (+7.4). 3 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 76.9°F | −0.8°F | 0.54 in |
| 2022 | 77.2°F | −0.5°F | 0.67 in |
| 2023 | 80.8°F | +3.1°F | 1.50 in |
| 2024 | 77.6°F | −0.1°F | 1.11 in |
| 2025 | 78.2°F | +0.5°F | 1.23 in |
| 2026 | 85.1°F | +7.4°F | 1.00 in |
Source: records: ACIS, NWS threaded record GGGthr; recent months: ACIS, station USW00003901. Records and recent months use complete months only.
How does September in Longview 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; Longview's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.