Mercury Desert Rock Airport weather in September: Mercury Desert Rock Airport, Nevada: normal highs, lows, rain and records for September
Mercury Desert Rock Airport in September has a normal high of 91°F and a normal low of 62°F, a daily mean of 76°F, falling from 96°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 2 days in a normal September, 0.38 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 16°C, 10 mm of precipitation in September.
- NOAA stationMercury Desert Rock Airport
- Station IDUSW00003160
- Location36.62°N 116.03°W
- Elevation3,230 ft (985 m)
- Jan 57° 33°
- Feb 60° 36°
- Mar 67° 41°
- Apr 74° 47°
- May 84° 55°
- Jun 95° 64°
- Jul 101° 71°
- Aug 99° 70°
- Sep 91° 62°
- Oct 78° 50°
- Nov 65° 39°
- Dec 55° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Mercury Desert Rock Airport in September?
The normal high is 91°F and the normal low 62°F, for a daily mean of 76.3°F. September is 8.0°F cooler than August and 12.3°F warmer than October. September is the 4th warmest month of the year in Mercury Desert Rock Airport and the 6th wettest. Across the month the normal high falls 11°F, from 96°F on September 1 to 85°F on September 30. From one year to the next September's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 74°F and 78°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 | 96°F | 66°F | 6% | 3% |
| September 8 | 94°F | 64°F | 6% | 3% |
| September 15 | 92°F | 62°F | 5% | 3% |
| September 22 | 89°F | 59°F | 5% | 3% |
| September 30 | 85°F | 56°F | 5% | 3% |
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 | 96°F | 66°F | 6% | 3% | 13 h |
| September 2 | 96°F | 66°F | 6% | 3% | 13 h |
| September 3 | 96°F | 66°F | 6% | 3% | 13 h |
| September 4 | 95°F | 66°F | 6% | 3% | 12 h 50 min |
| September 5 | 95°F | 65°F | 6% | 3% | 12 h 50 min |
| September 6 | 95°F | 65°F | 6% | 3% | 12 h 50 min |
| September 7 | 94°F | 65°F | 6% | 3% | 12 h 50 min |
| September 8 | 94°F | 64°F | 6% | 3% | 12 h 40 min |
| September 9 | 94°F | 64°F | 6% | 3% | 12 h 40 min |
| September 10 | 93°F | 64°F | 6% | 3% | 12 h 40 min |
| September 11 | 93°F | 63°F | 6% | 3% | 12 h 40 min |
| September 12 | 93°F | 63°F | 6% | 3% | 12 h 40 min |
| September 13 | 92°F | 63°F | 6% | 3% | 12 h 30 min |
| September 14 | 92°F | 62°F | 6% | 3% | 12 h 30 min |
| September 15 | 92°F | 62°F | 5% | 3% | 12 h 30 min |
| September 16 | 91°F | 62°F | 5% | 3% | 12 h 30 min |
| September 17 | 91°F | 61°F | 5% | 3% | 12 h 20 min |
| September 18 | 90°F | 61°F | 5% | 3% | 12 h 20 min |
| September 19 | 90°F | 60°F | 5% | 3% | 12 h 20 min |
| September 20 | 90°F | 60°F | 5% | 3% | 12 h 20 min |
| September 21 | 89°F | 60°F | 5% | 3% | 12 h 10 min |
| September 22 | 89°F | 59°F | 5% | 3% | 12 h 10 min |
| September 23 | 88°F | 59°F | 5% | 3% | 12 h 10 min |
| September 24 | 88°F | 59°F | 5% | 3% | 12 h 10 min |
| September 25 | 87°F | 58°F | 5% | 3% | 12 h 10 min |
| September 26 | 87°F | 58°F | 5% | 3% | 12 h |
| September 27 | 87°F | 57°F | 5% | 3% | 12 h |
| September 28 | 86°F | 57°F | 5% | 3% | 12 h |
| September 29 | 86°F | 57°F | 5% | 3% | 12 h |
| September 30 | 85°F | 56°F | 5% | 3% | 11 h 50 min |
- Normal high
- 91°FSeptember average
- Normal low
- 62°FSeptember average
- Precipitation
- 0.38 inmonth total
- Days with precipitation
- 20.01 inch or more
- Days at 90°F or more
- 20
- 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
- 96%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003160; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Mercury Desert Rock Airport in September?
On a given September day the chance of 0.01 inch or more is 5% on average, highest around September 2 (6%). In all, 0.38 in falls on 2 days of a normal September.
In a normal September in Mercury Desert Rock Airport, 20 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003160.
How humid and windy is Mercury Desert Rock Airport in September?
At 3 p.m. the normal temperature is 84°F with 15% relative humidity and a dew point of 31°F; at 6 a.m. it is 62°F with 30% humidity. The wind averages 7.8 mph, most often from the south-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. | 62°F | 30°F | 30% | 5.8 mph | 89% |
| 9 a.m. | 76°F | 32°F | 20% | 8.1 mph | 90% |
| noon | 82°F | 32°F | 16% | 10.6 mph | 85% |
| 3 p.m. | 84°F | 31°F | 15% | 10.8 mph | 84% |
| 6 p.m. | 77°F | 29°F | 17% | 8.1 mph | 91% |
| 9 p.m. | 70°F | 29°F | 22% | 6.4 mph | 94% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003160. 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 Mercury Desert Rock Airport?
The warmest September temperature on this station's record (since 1978) is 110°F, on September 6, 2022; the coldest is 39°F, on September 30, 1982. The wettest September brought 2.78 in (1997).
The September mean against the 1991-2020 normal of 76.3°F: 2021 78.5°F (+2.3), 2022 79.4°F (+3.1), 2023 74.6°F (−1.7), 2024 80.3°F (+4.0), 2025 77.6°F (+1.3), 2026 77.7°F (+1.4). 5 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.5°F | +2.3°F | 0.00 in |
| 2022 | 79.4°F | +3.1°F | 0.70 in |
| 2023 | 74.6°F | −1.7°F | 0.34 in |
| 2024 | 80.3°F | +4.0°F | 0.00 in |
| 2025 | 77.6°F | +1.3°F | 0.16 in |
| 2026 | 77.7°F | +1.4°F | 0.20 in |
Source: records: ACIS, station USW00003160; recent months: ACIS, station USW00003160. Records and recent months use complete months only.
How does September in Mercury Desert Rock Airport compare across Nevada?
Across the 55 places PlainClimate covers in Nevada, September normal highs run from 71°F in Incline Village to 102°F in Laughlin; Mercury Desert Rock Airport's is 91°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Mercury Desert Rock Airport in August99°F by day, 70°F at night
- Mercury Desert Rock Airport in October78°F by day, 50°F at night
- Mercury Desert Rock Airport through the yearEvery month, frost dates, records and recent years
- Nevada in SeptemberThe statewide normal and the warmest and coolest places
- Laughlin: Nevada's warmest Septembernormal high 102°F