Truckee weather in September: Truckee, California: normal highs, lows, rain and records for September
Truckee in September has a normal high of 76°F and a normal low of 34°F, a daily mean of 55°F, falling from 80°F on the 1st to 71°F by the 30th. Measurable precipitation falls on 3 days in a normal September, 0.63 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 1°C, 16 mm of precipitation and 1 cm of snow in September.
- NOAA stationTruckee Ranger Station
- Station IDUSC00049043
- Location39.33°N 120.17°W
- Elevation5,823 ft (1,775 m)
- From the center2 miles
- Population17,240
- Jan 42° 16°
- Feb 45° 18°
- Mar 50° 21°
- Apr 55° 25°
- May 64° 31°
- Jun 75° 36°
- Jul 84° 41°
- Aug 84° 40°
- Sep 76° 34°
- Oct 65° 28°
- Nov 51° 21°
- Dec 41° 15°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Truckee in September?
The normal high is 76°F and the normal low 34°F, for a daily mean of 55.2°F. September is 6.9°F cooler than August and 9.2°F warmer than October. September is the 4th warmest month of the year in Truckee and the 9th 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 1.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 54°F and 57°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 12%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 80°F | 37°F | 8% | 3% |
| September 8 | 79°F | 36°F | 9% | 4% |
| September 15 | 77°F | 34°F | 9% | 4% |
| September 22 | 74°F | 33°F | 11% | 4% |
| September 30 | 71°F | 31°F | 12% | 5% |
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 | 37°F | 8% | 3% | 13 h 10 min |
| September 2 | 80°F | 37°F | 8% | 3% | 13 h |
| September 3 | 80°F | 37°F | 8% | 3% | 13 h |
| September 4 | 80°F | 37°F | 8% | 3% | 13 h |
| September 5 | 79°F | 37°F | 8% | 3% | 13 h |
| September 6 | 79°F | 36°F | 8% | 4% | 12 h 50 min |
| September 7 | 79°F | 36°F | 8% | 4% | 12 h 50 min |
| September 8 | 79°F | 36°F | 9% | 4% | 12 h 50 min |
| September 9 | 78°F | 36°F | 9% | 4% | 12 h 50 min |
| September 10 | 78°F | 35°F | 9% | 4% | 12 h 40 min |
| September 11 | 78°F | 35°F | 9% | 4% | 12 h 40 min |
| September 12 | 77°F | 35°F | 9% | 4% | 12 h 40 min |
| September 13 | 77°F | 35°F | 9% | 4% | 12 h 40 min |
| September 14 | 77°F | 35°F | 9% | 4% | 12 h 30 min |
| September 15 | 77°F | 34°F | 9% | 4% | 12 h 30 min |
| September 16 | 76°F | 34°F | 10% | 4% | 12 h 30 min |
| September 17 | 76°F | 34°F | 10% | 4% | 12 h 30 min |
| September 18 | 76°F | 34°F | 10% | 4% | 12 h 20 min |
| September 19 | 75°F | 33°F | 10% | 4% | 12 h 20 min |
| September 20 | 75°F | 33°F | 10% | 4% | 12 h 20 min |
| September 21 | 75°F | 33°F | 10% | 4% | 12 h 20 min |
| September 22 | 74°F | 33°F | 11% | 4% | 12 h 10 min |
| September 23 | 74°F | 32°F | 11% | 5% | 12 h 10 min |
| September 24 | 74°F | 32°F | 11% | 5% | 12 h 10 min |
| September 25 | 73°F | 32°F | 11% | 5% | 12 h 10 min |
| September 26 | 73°F | 32°F | 11% | 5% | 12 h |
| September 27 | 73°F | 32°F | 11% | 5% | 12 h |
| September 28 | 72°F | 31°F | 11% | 5% | 12 h |
| September 29 | 72°F | 31°F | 11% | 5% | 11 h 50 min |
| September 30 | 71°F | 31°F | 12% | 5% | 11 h 50 min |
- Normal high
- 76°FSeptember average
- Normal low
- 34°FSeptember average
- Precipitation
- 0.63 inmonth total
- Days with precipitation
- 30.01 inch or more
- Snowfall
- 0.5 inmonth total
- Nights at 32°F or colder
- 9
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 24
- Days at 80°F or more
- 12
- Sunshine
- 93%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00049043; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Truckee in September?
On a given September day the chance of 0.01 inch or more is 10% on average, highest around September 30 (12%). In all, 0.63 in falls on 3 days of a normal September.
In a normal September in Truckee, 9 nights fall to freezing and snowfall averages 0.5 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00049043.
What are the records for September in Truckee?
The warmest September temperature on this station's record (since 1904) is 95°F, on September 14, 1937; the coldest is 16°F, on September 30, 1950. The wettest September brought 4.25 in (1998); the snowiest, 7.5 inches (1986).
Source: records: ACIS, station USC00049043. Records and recent months use complete months only.
How does September in Truckee 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; Truckee's is 76°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.