Teterboro weather in September: Teterboro, New Jersey: normal highs, lows, rain and records for September
Teterboro in September has a normal high of 78°F and a normal low of 60°F, a daily mean of 69°F, falling from 83°F on the 1st to 73°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.11 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 16°C, 104 mm of precipitation in September.
- NOAA stationTeterboro Airport
- Station IDUSW00094741
- Location40.85°N 74.06°W
- Elevation9 ft (3 m)
- From the centerunder 1 mile
- Population71
- Jan 40° 26°
- Feb 43° 27°
- Mar 51° 34°
- Apr 63° 44°
- May 73° 53°
- Jun 82° 63°
- Jul 87° 69°
- Aug 85° 67°
- Sep 78° 60°
- Oct 67° 48°
- Nov 56° 38°
- Dec 45° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Teterboro in September?
The normal high is 78°F and the normal low 60°F, for a daily mean of 69.2°F. September is 7.0°F cooler than August and 11.8°F warmer than October. September is the 4th warmest month of the year in Teterboro and the 4th wettest. Across the month the normal high falls 10°F, from 83°F on September 1 to 73°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 67°F and 71°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 | 83°F | 65°F | 30% | 19% |
| September 8 | 81°F | 63°F | 29% | 18% |
| September 15 | 79°F | 60°F | 30% | 17% |
| September 22 | 76°F | 58°F | 31% | 18% |
| September 30 | 73°F | 54°F | 33% | 18% |
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 | 83°F | 65°F | 30% | 19% | 13 h 10 min |
| September 2 | 82°F | 64°F | 30% | 19% | 13 h 10 min |
| September 3 | 82°F | 64°F | 30% | 19% | 13 h |
| September 4 | 82°F | 64°F | 30% | 18% | 13 h |
| September 5 | 82°F | 64°F | 30% | 18% | 13 h |
| September 6 | 82°F | 63°F | 30% | 18% | 13 h |
| September 7 | 81°F | 63°F | 29% | 18% | 12 h 50 min |
| September 8 | 81°F | 63°F | 29% | 18% | 12 h 50 min |
| September 9 | 81°F | 62°F | 29% | 18% | 12 h 50 min |
| September 10 | 80°F | 62°F | 29% | 18% | 12 h 50 min |
| September 11 | 80°F | 62°F | 29% | 18% | 12 h 40 min |
| September 12 | 80°F | 61°F | 29% | 17% | 12 h 40 min |
| September 13 | 80°F | 61°F | 29% | 17% | 12 h 40 min |
| September 14 | 79°F | 61°F | 29% | 17% | 12 h 30 min |
| September 15 | 79°F | 60°F | 30% | 17% | 12 h 30 min |
| September 16 | 79°F | 60°F | 30% | 17% | 12 h 30 min |
| September 17 | 78°F | 60°F | 30% | 17% | 12 h 30 min |
| September 18 | 78°F | 59°F | 30% | 17% | 12 h 20 min |
| September 19 | 78°F | 59°F | 30% | 17% | 12 h 20 min |
| September 20 | 77°F | 59°F | 30% | 17% | 12 h 20 min |
| September 21 | 77°F | 58°F | 31% | 18% | 12 h 20 min |
| September 22 | 76°F | 58°F | 31% | 18% | 12 h 10 min |
| September 23 | 76°F | 57°F | 31% | 18% | 12 h 10 min |
| September 24 | 76°F | 57°F | 32% | 18% | 12 h 10 min |
| September 25 | 75°F | 56°F | 32% | 18% | 12 h 10 min |
| September 26 | 75°F | 56°F | 32% | 18% | 12 h |
| September 27 | 74°F | 56°F | 32% | 18% | 12 h |
| September 28 | 74°F | 55°F | 33% | 18% | 12 h |
| September 29 | 74°F | 55°F | 33% | 18% | 11 h 50 min |
| September 30 | 73°F | 54°F | 33% | 18% | 11 h 50 min |
- Normal high
- 78°FSeptember average
- Normal low
- 60°FSeptember average
- Precipitation
- 4.11 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 USW00094741; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Teterboro 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, 4.11 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Teterboro, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094741.
How humid and windy is Teterboro in September?
At 3 p.m. the normal temperature is 71°F with 51% relative humidity and a dew point of 51°F; at 6 a.m. it is 56°F with 83% humidity. The wind averages 6.5 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 56°F | 51°F | 83% | 4.4 mph | 60% |
| 9 a.m. | 63°F | 53°F | 69% | 7.3 mph | 60% |
| noon | 69°F | 52°F | 55% | 8.9 mph | 55% |
| 3 p.m. | 71°F | 51°F | 51% | 9.4 mph | 54% |
| 6 p.m. | 66°F | 52°F | 59% | 7.1 mph | 65% |
| 9 p.m. | 62°F | 53°F | 71% | 5.4 mph | 66% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094741. 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 Teterboro?
The warmest September temperature on this station's record (since 1969) is 99°F, on September 7, 2023; the coldest is 38°F, on September 24, 1974. The wettest September brought 11.74 in (1999).
The September mean against the 1991-2020 normal of 69.2°F: 2021 69.3°F (+0.1), 2023 68.8°F (−0.5), 2024 68.3°F (−0.9), 2025 70.8°F (+1.6), 2026 69.4°F (+0.2). 3 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.3°F | +0.1°F | 9.28 in |
| 2023 | 68.8°F | −0.5°F | 7.69 in |
| 2024 | 68.3°F | −0.9°F | 1.03 in |
| 2025 | 70.8°F | +1.6°F | – |
| 2026 | 69.4°F | +0.2°F | 5.39 in |
Source: records: ACIS, station USW00094741; recent months: ACIS, station USW00094741. Records and recent months use complete months only.
How does September in Teterboro 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; Teterboro's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Teterboro in August85°F by day, 67°F at night
- Teterboro in October67°F by day, 48°F at night
- Teterboro 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