Grand Canyon National Park Airport weather in September: Grand Canyon National Park Airport, Arizona: normal highs, lows, rain and records for September
Grand Canyon National Park Airport in September has a normal high of 77°F and a normal low of 40°F, a daily mean of 59°F, falling from 81°F on the 1st to 72°F by the 30th. Measurable precipitation falls on 6 days in a normal September, 1.37 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 5°C, 35 mm of precipitation in September.
- NOAA stationGrand Canyon National Park Airport
- Station IDUSW00003195
- Location35.95°N 112.15°W
- Elevation6,606 ft (2,014 m)
- Jan 44° 16°
- Feb 47° 17°
- Mar 55° 22°
- Apr 61° 25°
- May 71° 32°
- Jun 83° 38°
- Jul 85° 49°
- Aug 83° 49°
- Sep 77° 40°
- Oct 66° 30°
- Nov 54° 21°
- Dec 44° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Grand Canyon National Park Airport in September?
The normal high is 77°F and the normal low 40°F, for a daily mean of 58.6°F. September is 7.5°F cooler than August and 10.8°F warmer than October. September is the 4th warmest month of the year in Grand Canyon National Park Airport and the 3rd wettest. Across the month the normal high falls 9°F, from 81°F on September 1 to 72°F on September 30. From one year to the next September's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 57°F and 60°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 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 81°F | 45°F | 31% | 14% |
| September 8 | 80°F | 43°F | 27% | 12% |
| September 15 | 77°F | 41°F | 22% | 11% |
| September 22 | 75°F | 38°F | 18% | 9% |
| September 30 | 72°F | 35°F | 15% | 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 | 81°F | 45°F | 31% | 14% | 13 h |
| September 2 | 81°F | 45°F | 30% | 14% | 13 h |
| September 3 | 81°F | 45°F | 30% | 13% | 12 h 50 min |
| September 4 | 81°F | 44°F | 29% | 13% | 12 h 50 min |
| September 5 | 80°F | 44°F | 29% | 13% | 12 h 50 min |
| September 6 | 80°F | 44°F | 28% | 13% | 12 h 50 min |
| September 7 | 80°F | 43°F | 27% | 13% | 12 h 50 min |
| September 8 | 80°F | 43°F | 27% | 12% | 12 h 40 min |
| September 9 | 79°F | 43°F | 26% | 12% | 12 h 40 min |
| September 10 | 79°F | 42°F | 25% | 12% | 12 h 40 min |
| September 11 | 79°F | 42°F | 25% | 12% | 12 h 40 min |
| September 12 | 78°F | 42°F | 24% | 11% | 12 h 30 min |
| September 13 | 78°F | 41°F | 23% | 11% | 12 h 30 min |
| September 14 | 78°F | 41°F | 23% | 11% | 12 h 30 min |
| September 15 | 77°F | 41°F | 22% | 11% | 12 h 30 min |
| September 16 | 77°F | 40°F | 21% | 10% | 12 h 30 min |
| September 17 | 77°F | 40°F | 21% | 10% | 12 h 20 min |
| September 18 | 76°F | 40°F | 20% | 10% | 12 h 20 min |
| September 19 | 76°F | 39°F | 19% | 10% | 12 h 20 min |
| September 20 | 76°F | 39°F | 19% | 9% | 12 h 20 min |
| September 21 | 75°F | 39°F | 18% | 9% | 12 h 10 min |
| September 22 | 75°F | 38°F | 18% | 9% | 12 h 10 min |
| September 23 | 74°F | 38°F | 17% | 9% | 12 h 10 min |
| September 24 | 74°F | 38°F | 17% | 9% | 12 h 10 min |
| September 25 | 74°F | 37°F | 17% | 9% | 12 h 10 min |
| September 26 | 73°F | 37°F | 16% | 8% | 12 h |
| September 27 | 73°F | 36°F | 16% | 8% | 12 h |
| September 28 | 73°F | 36°F | 16% | 8% | 12 h |
| September 29 | 72°F | 36°F | 16% | 8% | 12 h |
| September 30 | 72°F | 35°F | 15% | 8% | 11 h 50 min |
- Normal high
- 77°FSeptember average
- Normal low
- 40°FSeptember average
- Precipitation
- 1.37 inmonth total
- Days with precipitation
- 60.01 inch or more
- Nights at 32°F or colder
- 4
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 26
- Days at 80°F or more
- 11
- Sunshine
- 89%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003195; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Grand Canyon National Park Airport in September?
On a given September day the chance of 0.01 inch or more is 22% on average, highest around September 1 (31%). In all, 1.37 in falls on 6 days of a normal September.
In a normal September in Grand Canyon National Park Airport, 4 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003195.
How humid and windy is Grand Canyon National Park Airport in September?
At 3 p.m. the normal temperature is 70°F with 22% relative humidity and a dew point of 29°F; at 6 a.m. it is 38°F with 69% humidity. The wind averages 5.8 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. | 38°F | 29°F | 69% | 2.4 mph | 88% |
| 9 a.m. | 61°F | 34°F | 36% | 7.3 mph | 87% |
| noon | 69°F | 31°F | 25% | 10.7 mph | 80% |
| 3 p.m. | 70°F | 29°F | 22% | 11.0 mph | 72% |
| 6 p.m. | 65°F | 29°F | 27% | 7.4 mph | 82% |
| 9 p.m. | 48°F | 30°F | 49% | 2.8 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003195. 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 Grand Canyon National Park Airport?
The warmest September temperature on this station's record (since 1996) is 95°F, on September 6, 2020; the coldest is 20°F, on September 25, 2017. The wettest September brought 4.35 in (2004).
The September mean against the 1991-2020 normal of 58.6°F: 2021 61.4°F (+2.8), 2022 61.2°F (+2.6), 2023 59.5°F (+0.9), 2024 61.3°F (+2.6), 2025 59.6°F (+1.0), 2026 61.3°F (+2.6). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.4°F | +2.8°F | 0.87 in |
| 2022 | 61.2°F | +2.6°F | 2.87 in |
| 2023 | 59.5°F | +0.9°F | 1.79 in |
| 2024 | 61.3°F | +2.6°F | 0.03 in |
| 2025 | 59.6°F | +1.0°F | 2.50 in |
| 2026 | 61.3°F | +2.6°F | 0.03 in |
Source: records: ACIS, station USW00003195; recent months: ACIS, station USW00003195. Records and recent months use complete months only.
How does September in Grand Canyon National Park Airport compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, September normal highs run from 70°F in Greer to 104°F in Tacna; Grand Canyon National Park Airport's is 77°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Grand Canyon National Park Airport in August83°F by day, 49°F at night
- Grand Canyon National Park Airport in October66°F by day, 30°F at night
- Grand Canyon National Park Airport through the yearEvery month, frost dates, records and recent years
- Arizona in SeptemberThe statewide normal and the warmest and coolest places
- Tacna: Arizona's warmest Septembernormal high 104°F