Jacksonville weather in September: Jacksonville, North Carolina: normal highs, lows, rain and records for September
Jacksonville in September has a normal high of 84°F and a normal low of 64°F, a daily mean of 74°F, falling from 87°F on the 1st to 80°F by the 30th. The month brings 7.85 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 18°C, 199 mm of precipitation in September.
- NOAA stationJacksonville Eoc
- Station IDUSC00314471
- Location34.80°N 77.40°W
- Elevation17 ft (5 m)
- From the center5 miles
- Population70,840
- Jan 56° 32°
- Feb 59° 34°
- Mar 66° 40°
- Apr 75° 49°
- May 81° 59°
- Jun 87° 67°
- Jul 90° 71°
- Aug 88° 70°
- Sep 84° 64°
- Oct 76° 51°
- Nov 67° 41°
- Dec 60° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jacksonville in September?
The normal high is 84°F and the normal low 64°F, for a daily mean of 73.9°F. September is 5.0°F cooler than August and 10.4°F warmer than October. September is the 4th warmest month of the year in Jacksonville and the wettest. Across the month the normal high falls 7°F, from 87°F on September 1 to 80°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 72°F and 76°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 87°F | 68°F | – | – |
| September 8 | 86°F | 66°F | – | – |
| September 15 | 84°F | 64°F | – | – |
| September 22 | 83°F | 62°F | – | – |
| September 30 | 80°F | 59°F | – | – |
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 | 87°F | 68°F | – | – | 13 h |
| September 2 | 87°F | 67°F | – | – | 12 h 50 min |
| September 3 | 87°F | 67°F | – | – | 12 h 50 min |
| September 4 | 87°F | 67°F | – | – | 12 h 50 min |
| September 5 | 87°F | 67°F | – | – | 12 h 50 min |
| September 6 | 86°F | 67°F | – | – | 12 h 50 min |
| September 7 | 86°F | 66°F | – | – | 12 h 40 min |
| September 8 | 86°F | 66°F | – | – | 12 h 40 min |
| September 9 | 86°F | 66°F | – | – | 12 h 40 min |
| September 10 | 86°F | 66°F | – | – | 12 h 40 min |
| September 11 | 85°F | 65°F | – | – | 12 h 40 min |
| September 12 | 85°F | 65°F | – | – | 12 h 30 min |
| September 13 | 85°F | 65°F | – | – | 12 h 30 min |
| September 14 | 85°F | 65°F | – | – | 12 h 30 min |
| September 15 | 84°F | 64°F | – | – | 12 h 30 min |
| September 16 | 84°F | 64°F | – | – | 12 h 20 min |
| September 17 | 84°F | 64°F | – | – | 12 h 20 min |
| September 18 | 84°F | 63°F | – | – | 12 h 20 min |
| September 19 | 83°F | 63°F | – | – | 12 h 20 min |
| September 20 | 83°F | 63°F | – | – | 12 h 20 min |
| September 21 | 83°F | 62°F | – | – | 12 h 10 min |
| September 22 | 83°F | 62°F | – | – | 12 h 10 min |
| September 23 | 82°F | 62°F | – | – | 12 h 10 min |
| September 24 | 82°F | 61°F | – | – | 12 h 10 min |
| September 25 | 82°F | 61°F | – | – | 12 h 10 min |
| September 26 | 81°F | 60°F | – | – | 12 h |
| September 27 | 81°F | 60°F | – | – | 12 h |
| September 28 | 81°F | 60°F | – | – | 12 h |
| September 29 | 81°F | 59°F | – | – | 12 h |
| September 30 | 80°F | 59°F | – | – | 11 h 50 min |
- Normal high
- 84°FSeptember average
- Normal low
- 64°FSeptember average
- Precipitation
- 7.85 inmonth total
- Days at 90°F or more
- 6
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 25
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00314471; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Jacksonville in September?
In a normal September in Jacksonville, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00314471.
What are the records for September in Jacksonville?
The September mean against the 1991-2020 normal of 73.9°F: 2021 73.9°F (at normal), 2022 73.8°F (−0.1), 2023 73.7°F (−0.2). 0 of 3 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 73.9°F | at normal | 4.14 in |
| 2022 | 73.8°F | −0.1°F | 4.28 in |
| 2023 | 73.7°F | −0.2°F | 5.75 in |
Source: recent months: ACIS, station USC00314471. Records and recent months use complete months only.
How does September in Jacksonville compare across North Carolina?
Across the 131 places PlainClimate covers in North Carolina, September normal highs run from 63°F in Beech Mountain to 87°F in Southport; Jacksonville's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Jacksonville in August88°F by day, 70°F at night
- Jacksonville in October76°F by day, 51°F at night
- Jacksonville through the yearEvery month, frost dates, records and recent years
- North Carolina in SeptemberThe statewide normal and the warmest and coolest places
- Southport: North Carolina's warmest Septembernormal high 87°F