Gulfport weather in September: Gulfport, Mississippi: normal highs, lows, rain and records for September
Gulfport in September has a normal high of 88°F and a normal low of 71°F, a daily mean of 79°F, falling from 90°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 5.18 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 21°C, 132 mm of precipitation in September.
- NOAA stationGulfport - Biloxi Airport
- Station IDUSW00093874
- Location30.41°N 89.08°W
- Elevation42 ft (13 m)
- Population74,621
- Jan 61° 42°
- Feb 65° 46°
- Mar 70° 52°
- Apr 77° 58°
- May 84° 66°
- Jun 89° 73°
- Jul 90° 75°
- Aug 91° 75°
- Sep 88° 71°
- Oct 80° 60°
- Nov 70° 49°
- Dec 64° 45°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Gulfport in September?
The normal high is 88°F and the normal low 71°F, for a daily mean of 79.2°F. September is 3.4°F cooler than August and 9.2°F warmer than October. September is the 4th warmest month of the year in Gulfport and the 6th wettest. Across the month the normal high falls 5°F, from 90°F on September 1 to 85°F on September 30. From one year to the next September's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 77°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 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 90°F | 73°F | 39% | 26% |
| September 8 | 89°F | 72°F | 35% | 23% |
| September 15 | 88°F | 71°F | 31% | 20% |
| September 22 | 87°F | 69°F | 29% | 19% |
| September 30 | 85°F | 67°F | 26% | 16% |
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 | 90°F | 73°F | 39% | 26% | 12 h 50 min |
| September 2 | 90°F | 73°F | 39% | 26% | 12 h 50 min |
| September 3 | 90°F | 73°F | 38% | 25% | 12 h 40 min |
| September 4 | 90°F | 73°F | 37% | 25% | 12 h 40 min |
| September 5 | 89°F | 73°F | 37% | 25% | 12 h 40 min |
| September 6 | 89°F | 73°F | 36% | 24% | 12 h 40 min |
| September 7 | 89°F | 73°F | 35% | 24% | 12 h 40 min |
| September 8 | 89°F | 72°F | 35% | 23% | 12 h 40 min |
| September 9 | 89°F | 72°F | 34% | 23% | 12 h 30 min |
| September 10 | 89°F | 72°F | 34% | 22% | 12 h 30 min |
| September 11 | 89°F | 72°F | 33% | 22% | 12 h 30 min |
| September 12 | 89°F | 72°F | 33% | 22% | 12 h 30 min |
| September 13 | 88°F | 71°F | 32% | 21% | 12 h 30 min |
| September 14 | 88°F | 71°F | 32% | 21% | 12 h 30 min |
| September 15 | 88°F | 71°F | 31% | 20% | 12 h 20 min |
| September 16 | 88°F | 71°F | 31% | 20% | 12 h 20 min |
| September 17 | 88°F | 71°F | 30% | 20% | 12 h 20 min |
| September 18 | 88°F | 70°F | 30% | 20% | 12 h 20 min |
| September 19 | 87°F | 70°F | 30% | 19% | 12 h 20 min |
| September 20 | 87°F | 70°F | 29% | 19% | 12 h 10 min |
| September 21 | 87°F | 70°F | 29% | 19% | 12 h 10 min |
| September 22 | 87°F | 69°F | 29% | 19% | 12 h 10 min |
| September 23 | 87°F | 69°F | 28% | 18% | 12 h 10 min |
| September 24 | 86°F | 69°F | 28% | 18% | 12 h 10 min |
| September 25 | 86°F | 68°F | 28% | 18% | 12 h 10 min |
| September 26 | 86°F | 68°F | 27% | 17% | 12 h |
| September 27 | 86°F | 68°F | 27% | 17% | 12 h |
| September 28 | 86°F | 67°F | 27% | 17% | 12 h |
| September 29 | 85°F | 67°F | 26% | 16% | 12 h |
| September 30 | 85°F | 67°F | 26% | 16% | 12 h |
- Normal high
- 88°FSeptember average
- Normal low
- 71°FSeptember average
- Precipitation
- 5.18 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 11
- 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
- 29
- Sunshine
- 83%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093874; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Gulfport in September?
On a given September day the chance of 0.01 inch or more is 32% on average, highest around September 1 (39%). In all, 5.18 in falls on 9 days of a normal September, 2 of them with an inch or more.
In a normal September in Gulfport, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093874.
What are the records for September in Gulfport?
The warmest September temperature on Gulfport's official record (since 1893) is 101°F, on September 10, 1954; the coldest is 42°F, on September 29, 1967. The wettest September brought 25.28 in (1998).
The September mean against the 1991-2020 normal of 79.2°F: 2021 78.1°F (−1.1), 2022 79.1°F (−0.1), 2023 81.7°F (+2.5), 2024 80.3°F (+1.1), 2025 79.5°F (+0.3), 2026 82.0°F (+2.8). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.1°F | −1.1°F | 7.25 in |
| 2022 | 79.1°F | −0.1°F | 0.49 in |
| 2023 | 81.7°F | +2.5°F | 2.22 in |
| 2024 | 80.3°F | +1.1°F | 9.34 in |
| 2025 | 79.5°F | +0.3°F | 0.64 in |
| 2026 | 82.0°F | +2.8°F | 2.30 in |
Source: records: ACIS, NWS threaded record GPTthr; recent months: ACIS, station USW00093874. Records and recent months use complete months only.
How does September in Gulfport compare across Mississippi?
Across the 81 places PlainClimate covers in Mississippi, September normal highs run from 83°F in Holly Springs to 91°F in Monticello; Gulfport's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Gulfport in August91°F by day, 75°F at night
- Gulfport in October80°F by day, 60°F at night
- Gulfport through the yearEvery month, frost dates, records and recent years
- Mississippi in SeptemberThe statewide normal and the warmest and coolest places
- Monticello: Mississippi's warmest Septembernormal high 91°F