Blue Canyon Airport weather in September: Blue Canyon Airport, California: normal highs, lows, rain and records for September
Blue Canyon Airport in September has a normal high of 73°F and a normal low of 57°F, a daily mean of 65°F, falling from 76°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 2 days in a normal September, 0.59 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 14°C, 15 mm of precipitation in September.
- NOAA stationBlue Canyon Airport
- Station IDUSW00023225
- Location39.28°N 120.71°W
- Elevation5,276 ft (1,608 m)
- Jan 47° 34°
- Feb 45° 33°
- Mar 48° 35°
- Apr 52° 38°
- May 61° 46°
- Jun 70° 54°
- Jul 78° 63°
- Aug 77° 62°
- Sep 73° 57°
- Oct 63° 48°
- Nov 51° 39°
- Dec 45° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Blue Canyon Airport in September?
The normal high is 73°F and the normal low 57°F, for a daily mean of 65.1°F. September is 4.7°F cooler than August and 9.6°F warmer than October. September is the 3rd warmest month of the year in Blue Canyon Airport and the 10th wettest. Across the month the normal high falls 7°F, from 76°F on September 1 to 69°F on September 30. From one year to the next September's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 62°F and 68°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 | 76°F | 60°F | 5% | 2% |
| September 8 | 75°F | 59°F | 6% | 3% |
| September 15 | 73°F | 58°F | 8% | 4% |
| September 22 | 71°F | 56°F | 9% | 6% |
| September 30 | 69°F | 53°F | 12% | 8% |
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 | 76°F | 60°F | 5% | 2% | 13 h 10 min |
| September 2 | 76°F | 60°F | 5% | 2% | 13 h |
| September 3 | 76°F | 60°F | 5% | 2% | 13 h |
| September 4 | 76°F | 60°F | 5% | 3% | 13 h |
| September 5 | 75°F | 60°F | 5% | 3% | 13 h |
| September 6 | 75°F | 60°F | 6% | 3% | 12 h 50 min |
| September 7 | 75°F | 59°F | 6% | 3% | 12 h 50 min |
| September 8 | 75°F | 59°F | 6% | 3% | 12 h 50 min |
| September 9 | 75°F | 59°F | 6% | 3% | 12 h 50 min |
| September 10 | 75°F | 59°F | 6% | 3% | 12 h 40 min |
| September 11 | 74°F | 59°F | 7% | 4% | 12 h 40 min |
| September 12 | 74°F | 58°F | 7% | 4% | 12 h 40 min |
| September 13 | 74°F | 58°F | 7% | 4% | 12 h 40 min |
| September 14 | 74°F | 58°F | 7% | 4% | 12 h 30 min |
| September 15 | 73°F | 58°F | 8% | 4% | 12 h 30 min |
| September 16 | 73°F | 57°F | 8% | 5% | 12 h 30 min |
| September 17 | 73°F | 57°F | 8% | 5% | 12 h 30 min |
| September 18 | 73°F | 57°F | 8% | 5% | 12 h 20 min |
| September 19 | 72°F | 57°F | 9% | 5% | 12 h 20 min |
| September 20 | 72°F | 56°F | 9% | 5% | 12 h 20 min |
| September 21 | 72°F | 56°F | 9% | 6% | 12 h 20 min |
| September 22 | 71°F | 56°F | 9% | 6% | 12 h 10 min |
| September 23 | 71°F | 55°F | 10% | 6% | 12 h 10 min |
| September 24 | 71°F | 55°F | 10% | 6% | 12 h 10 min |
| September 25 | 70°F | 55°F | 10% | 7% | 12 h 10 min |
| September 26 | 70°F | 54°F | 10% | 7% | 12 h |
| September 27 | 70°F | 54°F | 11% | 7% | 12 h |
| September 28 | 69°F | 54°F | 11% | 7% | 12 h |
| September 29 | 69°F | 53°F | 11% | 7% | 11 h 50 min |
| September 30 | 69°F | 53°F | 12% | 8% | 11 h 50 min |
- Normal high
- 73°FSeptember average
- Normal low
- 57°FSeptember average
- Precipitation
- 0.59 inmonth total
- Days with precipitation
- 20.01 inch or more
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 21
- Days at 80°F or more
- 6
- Sunshine
- 93%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023225; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Blue Canyon Airport in September?
On a given September day the chance of 0.01 inch or more is 8% on average, highest around September 30 (12%). In all, 0.59 in falls on 2 days of a normal September.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023225.
How humid and windy is Blue Canyon Airport in September?
At 3 p.m. the normal temperature is 66°F with 31% relative humidity and a dew point of 35°F; at 6 a.m. it is 56°F with 36% humidity. The wind averages 4.9 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 56°F | 30°F | 36% | 4.0 mph | – |
| 9 a.m. | 62°F | 32°F | 32% | 5.2 mph | – |
| noon | 66°F | 33°F | 29% | 7.4 mph | 86% |
| 3 p.m. | 66°F | 35°F | 31% | 7.4 mph | 83% |
| 6 p.m. | 60°F | 36°F | 41% | 2.9 mph | – |
| 9 p.m. | 58°F | 34°F | 40% | 3.8 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023225. 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 Blue Canyon Airport?
The warmest September temperature on this station's record (since 1943) is 96°F, on September 6, 2022; the coldest is 27°F, on September 30, 1971. The wettest September brought 7.05 in (1986); the snowiest, 7.4 inches (1971).
The September mean against the 1991-2020 normal of 65.1°F: 2021 67.1°F (+2.0), 2022 67.5°F (+2.4), 2023 60.8°F (−4.3), 2024 67.4°F (+2.3), 2025 63.7°F (−1.4), 2026 60.4°F (−4.7). 3 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 67.1°F | +2.0°F | 1.97 in |
| 2022 | 67.5°F | +2.4°F | 2.26 in |
| 2023 | 60.8°F | −4.3°F | 1.19 in |
| 2024 | 67.4°F | +2.3°F | 0.10 in |
| 2025 | 63.7°F | −1.4°F | 0.82 in |
| 2026 | 60.4°F | −4.7°F | 2.20 in |
Source: records: ACIS, station USW00023225; recent months: ACIS, station USW00023225. Records and recent months use complete months only.
How does September in Blue Canyon Airport 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; Blue Canyon Airport's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Blue Canyon Airport in August77°F by day, 62°F at night
- Blue Canyon Airport in October63°F by day, 48°F at night
- Blue Canyon Airport 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