Freehold weather in September: Freehold, New Jersey: normal highs, lows, rain and records for September
Freehold in September has a normal high of 78°F and a normal low of 56°F, a daily mean of 67°F, falling from 82°F on the 1st to 73°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.19 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 13°C, 106 mm of precipitation in September.
- NOAA stationFreehold-Marlboro
- Station IDUSC00283181
- Location40.31°N 74.25°W
- Elevation194 ft (59 m)
- Population12,530
- Jan 42° 23°
- Feb 44° 25°
- Mar 51° 31°
- Apr 63° 41°
- May 72° 51°
- Jun 81° 60°
- Jul 87° 66°
- Aug 85° 63°
- Sep 78° 56°
- Oct 67° 44°
- Nov 56° 36°
- Dec 47° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Freehold in September?
The normal high is 78°F and the normal low 56°F, for a daily mean of 67.1°F. September is 6.9°F cooler than August and 11.6°F warmer than October. September is the 4th warmest month of the year in Freehold and the 5th wettest. Across the month the normal high falls 9°F, from 82°F on September 1 to 73°F on September 30. From one year to the next September's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 65°F and 69°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 82°F | 61°F | 31% | 20% |
| September 8 | 81°F | 59°F | 30% | 20% |
| September 15 | 79°F | 57°F | 31% | 19% |
| September 22 | 76°F | 54°F | 31% | 19% |
| September 30 | 73°F | 51°F | 32% | 20% |
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 | 82°F | 61°F | 31% | 20% | 13 h 10 min |
| September 2 | 82°F | 61°F | 31% | 20% | 13 h 10 min |
| September 3 | 82°F | 60°F | 31% | 20% | 13 h |
| September 4 | 82°F | 60°F | 31% | 20% | 13 h |
| September 5 | 82°F | 60°F | 31% | 20% | 13 h |
| September 6 | 81°F | 60°F | 31% | 20% | 12 h 50 min |
| September 7 | 81°F | 59°F | 31% | 20% | 12 h 50 min |
| September 8 | 81°F | 59°F | 30% | 20% | 12 h 50 min |
| September 9 | 80°F | 59°F | 30% | 19% | 12 h 50 min |
| September 10 | 80°F | 58°F | 30% | 19% | 12 h 40 min |
| September 11 | 80°F | 58°F | 30% | 19% | 12 h 40 min |
| September 12 | 80°F | 58°F | 30% | 19% | 12 h 40 min |
| September 13 | 79°F | 57°F | 30% | 19% | 12 h 40 min |
| September 14 | 79°F | 57°F | 30% | 19% | 12 h 30 min |
| September 15 | 79°F | 57°F | 31% | 19% | 12 h 30 min |
| September 16 | 78°F | 56°F | 31% | 19% | 12 h 30 min |
| September 17 | 78°F | 56°F | 31% | 19% | 12 h 30 min |
| September 18 | 78°F | 55°F | 31% | 19% | 12 h 20 min |
| September 19 | 77°F | 55°F | 31% | 19% | 12 h 20 min |
| September 20 | 77°F | 55°F | 31% | 19% | 12 h 20 min |
| September 21 | 76°F | 54°F | 31% | 19% | 12 h 20 min |
| September 22 | 76°F | 54°F | 31% | 19% | 12 h 10 min |
| September 23 | 76°F | 53°F | 31% | 19% | 12 h 10 min |
| September 24 | 75°F | 53°F | 32% | 20% | 12 h 10 min |
| September 25 | 75°F | 53°F | 32% | 20% | 12 h 10 min |
| September 26 | 74°F | 52°F | 32% | 20% | 12 h |
| September 27 | 74°F | 52°F | 32% | 20% | 12 h |
| September 28 | 74°F | 51°F | 32% | 20% | 12 h |
| September 29 | 73°F | 51°F | 32% | 20% | 11 h 50 min |
| September 30 | 73°F | 51°F | 32% | 20% | 11 h 50 min |
- Normal high
- 78°FSeptember average
- Normal low
- 56°FSeptember average
- Precipitation
- 4.19 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 27
- Days at 80°F or more
- 14
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00283181; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Freehold in September?
On a given September day the chance of 0.01 inch or more is 31% on average, highest around September 30 (32%). In all, 4.19 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Freehold, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00283181.
What are the records for September in Freehold?
The warmest September temperature on this station's record (since 1881) is 99°F, on September 2, 1953; the coldest is 32°F, on September 28, 1947. The wettest September brought 13.97 in (2023).
The September mean against the 1991-2020 normal of 67.1°F: 2021 69.7°F (+2.6), 2023 67.6°F (+0.5), 2024 66.2°F (−0.9), 2025 67.9°F (+0.8). 3 of 4 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.7°F | +2.6°F | 5.71 in |
| 2023 | 67.6°F | +0.5°F | 13.97 in |
| 2024 | 66.2°F | −0.9°F | 1.18 in |
| 2025 | 67.9°F | +0.8°F | 3.03 in |
Source: records: ACIS, station USC00283181; recent months: ACIS, station USC00283181. Records and recent months use complete months only.
How does September in Freehold 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; Freehold's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Freehold in August85°F by day, 63°F at night
- Freehold in October67°F by day, 44°F at night
- Freehold 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