Yucca Valley weather in September: Yucca Valley, California: normal highs, lows, rain and records for September
Yucca Valley in September has a normal high of 89°F and a normal low of 60°F, a daily mean of 75°F, falling from 93°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 2 days in a normal September, 0.15 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 16°C, 4 mm of precipitation in September.
- NOAA stationYucca Valley
- Station IDUSC00049888
- Location34.13°N 116.39°W
- Elevation3,249 ft (990 m)
- Population21,858
- Jan 58° 38°
- Feb 61° 39°
- Mar 67° 40°
- Apr 73° 47°
- May 82° 52°
- Jun 91° 59°
- Jul 96° 66°
- Aug 96° 68°
- Sep 89° 60°
- Oct 80° 50°
- Nov 66° 41°
- Dec 58° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Yucca Valley in September?
The normal high is 89°F and the normal low 60°F, for a daily mean of 74.9°F. September is 6.8°F cooler than August and 10.1°F warmer than October. September is the 4th warmest month of the year in Yucca Valley and the 10th wettest. Across the month the normal high falls 8°F, from 93°F on September 1 to 85°F on September 30. From one year to the next September's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 73°F and 77°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 6%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 93°F | 66°F | 6% | 3% |
| September 8 | 92°F | 64°F | 6% | 3% |
| September 15 | 90°F | 61°F | 6% | 2% |
| September 22 | 88°F | 58°F | 5% | 2% |
| September 30 | 85°F | 55°F | 4% | 2% |
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 | 93°F | 66°F | 6% | 3% | 13 h |
| September 2 | 93°F | 66°F | 6% | 3% | 12 h 50 min |
| September 3 | 93°F | 65°F | 6% | 3% | 12 h 50 min |
| September 4 | 93°F | 65°F | 6% | 3% | 12 h 50 min |
| September 5 | 92°F | 65°F | 6% | 3% | 12 h 50 min |
| September 6 | 92°F | 64°F | 6% | 3% | 12 h 40 min |
| September 7 | 92°F | 64°F | 6% | 3% | 12 h 40 min |
| September 8 | 92°F | 64°F | 6% | 3% | 12 h 40 min |
| September 9 | 91°F | 63°F | 6% | 3% | 12 h 40 min |
| September 10 | 91°F | 63°F | 6% | 3% | 12 h 40 min |
| September 11 | 91°F | 62°F | 6% | 3% | 12 h 30 min |
| September 12 | 91°F | 62°F | 6% | 3% | 12 h 30 min |
| September 13 | 90°F | 62°F | 6% | 3% | 12 h 30 min |
| September 14 | 90°F | 61°F | 6% | 3% | 12 h 30 min |
| September 15 | 90°F | 61°F | 6% | 2% | 12 h 30 min |
| September 16 | 89°F | 60°F | 5% | 2% | 12 h 20 min |
| September 17 | 89°F | 60°F | 5% | 2% | 12 h 20 min |
| September 18 | 89°F | 59°F | 5% | 2% | 12 h 20 min |
| September 19 | 89°F | 59°F | 5% | 2% | 12 h 20 min |
| September 20 | 88°F | 59°F | 5% | 2% | 12 h 20 min |
| September 21 | 88°F | 58°F | 5% | 2% | 12 h 10 min |
| September 22 | 88°F | 58°F | 5% | 2% | 12 h 10 min |
| September 23 | 87°F | 57°F | 5% | 2% | 12 h 10 min |
| September 24 | 87°F | 57°F | 4% | 2% | 12 h 10 min |
| September 25 | 87°F | 57°F | 4% | 2% | 12 h 10 min |
| September 26 | 87°F | 56°F | 4% | 2% | 12 h |
| September 27 | 86°F | 56°F | 4% | 2% | 12 h |
| September 28 | 86°F | 55°F | 4% | 2% | 12 h |
| September 29 | 86°F | 55°F | 4% | 2% | 12 h |
| September 30 | 85°F | 55°F | 4% | 2% | 11 h 50 min |
- Normal high
- 89°FSeptember average
- Normal low
- 60°FSeptember average
- Precipitation
- 0.15 inmonth total
- Days with precipitation
- 20.01 inch or more
- Days at 90°F or more
- 19
- 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
- 28
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00049888; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Yucca Valley in September?
On a given September day the chance of 0.01 inch or more is 5% on average, highest around September 1 (6%). In all, 0.15 in falls on 2 days of a normal September.
In a normal September in Yucca Valley, 19 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00049888.
What are the records for September in Yucca Valley?
The September mean against the 1991-2020 normal of 74.9°F: 2021 77.4°F (+2.5). 1 of 1 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 77.4°F | +2.5°F | 0.03 in |
Source: recent months: ACIS, station USC00049888. Records and recent months use complete months only.
How does September in Yucca Valley 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; Yucca Valley's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Yucca Valley in August96°F by day, 68°F at night
- Yucca Valley in October80°F by day, 50°F at night
- Yucca Valley through the yearEvery month, frost dates, records and recent years
- California in SeptemberThe statewide normal and the warmest and coolest places
- Brawley: California's warmest Septembernormal high 104°F