Shreveport weather in September: Shreveport, Louisiana: normal highs, lows, rain and records for September
Shreveport in September has a normal high of 90°F and a normal low of 67°F, a daily mean of 78°F, falling from 93°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 3.46 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 19°C, 88 mm of precipitation in September.
- NOAA stationShreveport Airport
- Station IDUSW00013957
- Location32.45°N 93.84°W
- Elevation273 ft (83 m)
- From the center3 miles
- Population176,578
- Jan 58° 37°
- Feb 63° 41°
- Mar 70° 48°
- Apr 78° 54°
- May 85° 64°
- Jun 91° 71°
- Jul 94° 74°
- Aug 95° 73°
- Sep 90° 67°
- 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 Shreveport in September?
The normal high is 90°F and the normal low 67°F, for a daily mean of 78.3°F. September is 5.7°F cooler than August and 10.9°F warmer than October. September is the 4th warmest month of the year in Shreveport and the 11th 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 2.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 76°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 23%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 93°F | 71°F | 23% | 14% |
| September 8 | 92°F | 70°F | 23% | 13% |
| September 15 | 90°F | 68°F | 23% | 13% |
| September 22 | 88°F | 65°F | 22% | 14% |
| September 30 | 85°F | 62°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 | 23% | 14% | 12 h 50 min |
| September 2 | 93°F | 71°F | 23% | 14% | 12 h 50 min |
| September 3 | 93°F | 71°F | 23% | 14% | 12 h 50 min |
| September 4 | 93°F | 71°F | 23% | 14% | 12 h 50 min |
| September 5 | 92°F | 70°F | 23% | 13% | 12 h 40 min |
| September 6 | 92°F | 70°F | 23% | 13% | 12 h 40 min |
| September 7 | 92°F | 70°F | 23% | 13% | 12 h 40 min |
| September 8 | 92°F | 70°F | 23% | 13% | 12 h 40 min |
| September 9 | 92°F | 69°F | 23% | 13% | 12 h 40 min |
| September 10 | 91°F | 69°F | 23% | 13% | 12 h 30 min |
| September 11 | 91°F | 69°F | 23% | 13% | 12 h 30 min |
| September 12 | 91°F | 68°F | 23% | 13% | 12 h 30 min |
| September 13 | 91°F | 68°F | 23% | 13% | 12 h 30 min |
| September 14 | 90°F | 68°F | 23% | 13% | 12 h 30 min |
| September 15 | 90°F | 68°F | 23% | 13% | 12 h 20 min |
| September 16 | 90°F | 67°F | 23% | 13% | 12 h 20 min |
| September 17 | 89°F | 67°F | 23% | 13% | 12 h 20 min |
| September 18 | 89°F | 67°F | 23% | 13% | 12 h 20 min |
| September 19 | 89°F | 66°F | 22% | 13% | 12 h 20 min |
| September 20 | 89°F | 66°F | 22% | 14% | 12 h 20 min |
| September 21 | 88°F | 65°F | 22% | 14% | 12 h 10 min |
| September 22 | 88°F | 65°F | 22% | 14% | 12 h 10 min |
| September 23 | 88°F | 65°F | 22% | 14% | 12 h 10 min |
| September 24 | 87°F | 64°F | 22% | 14% | 12 h 10 min |
| September 25 | 87°F | 64°F | 22% | 14% | 12 h 10 min |
| September 26 | 87°F | 64°F | 22% | 14% | 12 h |
| September 27 | 86°F | 63°F | 22% | 14% | 12 h |
| September 28 | 86°F | 63°F | 22% | 14% | 12 h |
| September 29 | 86°F | 62°F | 22% | 14% | 12 h |
| September 30 | 85°F | 62°F | 22% | 14% | 12 h |
- Normal high
- 90°FSeptember average
- Normal low
- 67°FSeptember average
- Precipitation
- 3.46 inmonth total
- Days with precipitation
- 70.01 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
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013957; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Shreveport in September?
On a given September day the chance of 0.01 inch or more is 22% on average, highest around September 1 (23%). In all, 3.46 in falls on 7 days of a normal September, 1 of them with an inch or more.
In a normal September in Shreveport, 17 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013957.
How humid and windy is Shreveport in September?
At 3 p.m. the normal temperature is 83°F with 43% relative humidity and a dew point of 59°F; at 6 a.m. it is 64°F with 87% humidity. The wind averages 6.2 mph, most often from the east-northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 64°F | 60°F | 87% | 4.2 mph | 57% |
| 9 a.m. | 73°F | 61°F | 66% | 7.7 mph | 52% |
| noon | 81°F | 60°F | 49% | 8.4 mph | 48% |
| 3 p.m. | 83°F | 59°F | 43% | 9.1 mph | 47% |
| 6 p.m. | 77°F | 60°F | 54% | 6.4 mph | 56% |
| 9 p.m. | 70°F | 61°F | 71% | 5.0 mph | 63% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013957. 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 Shreveport?
The warmest September temperature on Shreveport's official record (since 1874) is 109°F, on September 3, 2000; the coldest is 42°F, on September 29, 1967. The wettest September brought 16.46 in (1913).
The September mean against the 1991-2020 normal of 78.3°F: 2021 78.9°F (+0.6), 2022 78.6°F (+0.3), 2023 82.4°F (+4.1), 2024 80.3°F (+2.0), 2025 81.2°F (+2.9), 2026 84.2°F (+5.9). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.9°F | +0.6°F | 0.70 in |
| 2022 | 78.6°F | +0.3°F | 2.27 in |
| 2023 | 82.4°F | +4.1°F | 3.50 in |
| 2024 | 80.3°F | +2.0°F | 2.28 in |
| 2025 | 81.2°F | +2.9°F | 2.32 in |
| 2026 | 84.2°F | +5.9°F | 0.36 in |
Source: records: ACIS, NWS threaded record SHVthr; recent months: ACIS, station USW00013957. Records and recent months use complete months only.
How does September in Shreveport compare across Louisiana?
Across the 65 places PlainClimate covers in Louisiana, September normal highs run from 85°F in Boyce to 90°F in Natchitoches; Shreveport's is 90°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Shreveport in August95°F by day, 73°F at night
- Shreveport in October79°F by day, 55°F at night
- Shreveport through the yearEvery month, frost dates, records and recent years
- Louisiana in SeptemberThe statewide normal and the warmest and coolest places
- Natchitoches: Louisiana's warmest Septembernormal high 90°F