Long Branch weather in September: Long Branch, New Jersey: normal highs, lows, rain and records for September
Long Branch in September has a normal high of 76°F and a normal low of 59°F, a daily mean of 68°F, falling from 80°F on the 1st to 71°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.33 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 15°C, 110 mm of precipitation in September.
- NOAA stationLong Branch-Oakhurst
- Station IDUSC00284987
- Location40.30°N 74.00°W
- Elevation30 ft (9 m)
- From the centerunder 1 mile
- Population33,214
- Jan 42° 25°
- Feb 43° 26°
- Mar 49° 32°
- Apr 59° 41°
- May 68° 51°
- Jun 78° 61°
- Jul 84° 67°
- Aug 82° 65°
- Sep 76° 59°
- Oct 66° 47°
- Nov 56° 37°
- Dec 47° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Long Branch in September?
The normal high is 76°F and the normal low 59°F, for a daily mean of 67.6°F. September is 6.0°F cooler than August and 11.4°F warmer than October. September is the 4th warmest month of the year in Long Branch and the 6th wettest. Across the month the normal high falls 9°F, from 80°F on September 1 to 71°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 66°F and 70°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 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 80°F | 63°F | 28% | 20% |
| September 8 | 79°F | 62°F | 28% | 20% |
| September 15 | 77°F | 59°F | 29% | 19% |
| September 22 | 74°F | 57°F | 31% | 20% |
| September 30 | 71°F | 53°F | 33% | 21% |
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 | 80°F | 63°F | 28% | 20% | 13 h 10 min |
| September 2 | 80°F | 63°F | 28% | 20% | 13 h 10 min |
| September 3 | 80°F | 63°F | 28% | 20% | 13 h |
| September 4 | 80°F | 63°F | 28% | 20% | 13 h |
| September 5 | 79°F | 63°F | 28% | 20% | 13 h |
| September 6 | 79°F | 62°F | 28% | 20% | 12 h 50 min |
| September 7 | 79°F | 62°F | 28% | 20% | 12 h 50 min |
| September 8 | 79°F | 62°F | 28% | 20% | 12 h 50 min |
| September 9 | 78°F | 61°F | 28% | 20% | 12 h 50 min |
| September 10 | 78°F | 61°F | 28% | 19% | 12 h 40 min |
| September 11 | 78°F | 61°F | 28% | 19% | 12 h 40 min |
| September 12 | 78°F | 61°F | 28% | 19% | 12 h 40 min |
| September 13 | 77°F | 60°F | 29% | 19% | 12 h 40 min |
| September 14 | 77°F | 60°F | 29% | 19% | 12 h 30 min |
| September 15 | 77°F | 59°F | 29% | 19% | 12 h 30 min |
| September 16 | 76°F | 59°F | 29% | 19% | 12 h 30 min |
| September 17 | 76°F | 59°F | 30% | 19% | 12 h 30 min |
| September 18 | 76°F | 58°F | 30% | 20% | 12 h 20 min |
| September 19 | 75°F | 58°F | 30% | 20% | 12 h 20 min |
| September 20 | 75°F | 58°F | 30% | 20% | 12 h 20 min |
| September 21 | 75°F | 57°F | 31% | 20% | 12 h 20 min |
| September 22 | 74°F | 57°F | 31% | 20% | 12 h 10 min |
| September 23 | 74°F | 56°F | 31% | 20% | 12 h 10 min |
| September 24 | 74°F | 56°F | 32% | 20% | 12 h 10 min |
| September 25 | 73°F | 55°F | 32% | 20% | 12 h 10 min |
| September 26 | 73°F | 55°F | 32% | 20% | 12 h |
| September 27 | 73°F | 55°F | 32% | 20% | 12 h |
| September 28 | 72°F | 54°F | 32% | 21% | 12 h |
| September 29 | 72°F | 54°F | 33% | 21% | 11 h 50 min |
| September 30 | 71°F | 53°F | 33% | 21% | 11 h 50 min |
- Normal high
- 76°FSeptember average
- Normal low
- 59°FSeptember average
- Precipitation
- 4.33 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 26
- Days at 80°F or more
- 8
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00284987; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Long Branch in September?
On a given September day the chance of 0.01 inch or more is 30% on average, highest around September 30 (33%). In all, 4.33 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Long Branch, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00284987.
What are the records for September in Long Branch?
The warmest September temperature on this station's record (since 1907) is 98°F, on September 12, 1983; the coldest is 32°F, on September 25, 1983. The wettest September brought 15.84 in (2023).
The September mean against the 1991-2020 normal of 67.6°F: 2021 70.3°F (+2.8), 2022 68.9°F (+1.3), 2023 69.0°F (+1.4), 2024 67.5°F (−0.1), 2025 67.8°F (+0.3), 2026 69.4°F (+1.8). 5 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 70.3°F | +2.8°F | 4.30 in |
| 2022 | 68.9°F | +1.3°F | 1.69 in |
| 2023 | 69.0°F | +1.4°F | 15.84 in |
| 2024 | 67.5°F | −0.1°F | 2.40 in |
| 2025 | 67.8°F | +0.3°F | 4.03 in |
| 2026 | 69.4°F | +1.8°F | 10.76 in |
Source: records: ACIS, station USC00284987; recent months: ACIS, station USC00284987. Records and recent months use complete months only.
How does September in Long Branch compare across New Jersey?
Across the 33 places PlainClimate covers in New Jersey, September normal highs run from 74°F in Andover to 80°F in Belleplain; Long Branch's is 76°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Long Branch in August82°F by day, 65°F at night
- Long Branch in October66°F by day, 47°F at night
- Long Branch through the yearEvery month, frost dates, records and recent years
- New Jersey in SeptemberThe statewide normal and the warmest and coolest places
- Belleplain: New Jersey's warmest Septembernormal high 80°F