Tracy weather in September: Tracy, California: normal highs, lows, rain and records for September
Tracy in September has a normal high of 89°F and a normal low of 54°F, a daily mean of 71°F, falling from 91°F on the 1st to 84°F by the 30th. The month brings 0.08 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 12°C, 2 mm of precipitation in September.
- NOAA stationTracy Carbona
- Station IDUSC00048999
- Location37.68°N 121.35°W
- Elevation135 ft (41 m)
- From the center7 miles
- Population100,136
- Jan 57° 36°
- Feb 62° 39°
- Mar 68° 42°
- Apr 73° 45°
- May 80° 50°
- Jun 88° 55°
- Jul 93° 57°
- Aug 92° 56°
- Sep 89° 54°
- Oct 79° 48°
- Nov 67° 41°
- Dec 56° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Tracy in September?
The normal high is 89°F and the normal low 54°F, for a daily mean of 71.0°F. September is 2.9°F cooler than August and 7.5°F warmer than October. September is the 4th warmest month of the year in Tracy and the 10th wettest. Across the month the normal high falls 7°F, from 91°F on September 1 to 84°F on September 30.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 91°F | 55°F | – | – |
| September 8 | 91°F | 54°F | – | – |
| September 15 | 89°F | 54°F | – | – |
| September 22 | 87°F | 53°F | – | – |
| September 30 | 84°F | 52°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 | 91°F | 55°F | – | – | 13 h |
| September 2 | 91°F | 55°F | – | – | 13 h |
| September 3 | 91°F | 55°F | – | – | 13 h |
| September 4 | 91°F | 55°F | – | – | 13 h |
| September 5 | 91°F | 55°F | – | – | 12 h 50 min |
| September 6 | 91°F | 55°F | – | – | 12 h 50 min |
| September 7 | 91°F | 54°F | – | – | 12 h 50 min |
| September 8 | 91°F | 54°F | – | – | 12 h 50 min |
| September 9 | 90°F | 54°F | – | – | 12 h 40 min |
| September 10 | 90°F | 54°F | – | – | 12 h 40 min |
| September 11 | 90°F | 54°F | – | – | 12 h 40 min |
| September 12 | 90°F | 54°F | – | – | 12 h 40 min |
| September 13 | 90°F | 54°F | – | – | 12 h 30 min |
| September 14 | 89°F | 54°F | – | – | 12 h 30 min |
| September 15 | 89°F | 54°F | – | – | 12 h 30 min |
| September 16 | 89°F | 54°F | – | – | 12 h 30 min |
| September 17 | 89°F | 54°F | – | – | 12 h 20 min |
| September 18 | 88°F | 53°F | – | – | 12 h 20 min |
| September 19 | 88°F | 53°F | – | – | 12 h 20 min |
| September 20 | 88°F | 53°F | – | – | 12 h 20 min |
| September 21 | 87°F | 53°F | – | – | 12 h 10 min |
| September 22 | 87°F | 53°F | – | – | 12 h 10 min |
| September 23 | 87°F | 53°F | – | – | 12 h 10 min |
| September 24 | 86°F | 53°F | – | – | 12 h 10 min |
| September 25 | 86°F | 52°F | – | – | 12 h 10 min |
| September 26 | 86°F | 52°F | – | – | 12 h |
| September 27 | 85°F | 52°F | – | – | 12 h |
| September 28 | 85°F | 52°F | – | – | 12 h |
| September 29 | 85°F | 52°F | – | – | 12 h |
| September 30 | 84°F | 52°F | – | – | 11 h 50 min |
- Normal high
- 89°FSeptember average
- Normal low
- 54°FSeptember average
- Precipitation
- 0.08 inmonth total
- Days at 90°F or more
- 14
- 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
- 27
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00048999; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Tracy in September?
In a normal September in Tracy, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00048999.
What are the records for September in Tracy?
The warmest September temperature on this station's record (since 1949) is 112°F, on September 7, 2022; the coldest is 36°F, on September 3, 2026. The wettest September brought 2.31 in (1959).
The September mean against the 1991-2020 normal of 71.0°F: 2021 72.2°F (+1.2), 2022 76.5°F (+5.5), 2023 69.4°F (−1.6), 2024 71.4°F (+0.4), 2025 71.3°F (+0.3), 2026 66.2°F (−4.8). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.2°F | +1.2°F | 0.00 in |
| 2022 | 76.5°F | +5.5°F | 0.15 in |
| 2023 | 69.4°F | −1.6°F | 0.00 in |
| 2024 | 71.4°F | +0.4°F | 0.00 in |
| 2025 | 71.3°F | +0.3°F | 0.06 in |
| 2026 | 66.2°F | −4.8°F | 0.00 in |
Source: records: ACIS, station USC00048999; recent months: ACIS, station USC00048999. Records and recent months use complete months only.
How does September in Tracy compare across California?
Across the 219 places PlainClimate covers in California, September normal highs run from 64°F in Eureka to 104°F in Brawley; Tracy's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.