Tonopah weather in September: Tonopah, Nevada: normal highs, lows, rain and records for September
Tonopah in September has a normal high of 82°F and a normal low of 50°F, a daily mean of 66°F, falling from 87°F on the 1st to 75°F by the 30th. Measurable precipitation falls on 2 days in a normal September, 0.45 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 10°C, 11 mm of precipitation in September.
- NOAA stationTonopah
- Station IDUSW00023153
- Location38.05°N 117.09°W
- Elevation5,395 ft (1,644 m)
- Population (census place)1,938
- Jan 46° 22°
- Feb 49° 25°
- Mar 58° 30°
- Apr 64° 36°
- May 74° 44°
- Jun 85° 53°
- Jul 92° 59°
- Aug 90° 57°
- Sep 82° 50°
- Oct 68° 39°
- Nov 55° 27°
- Dec 45° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Tonopah in September?
The normal high is 82°F and the normal low 50°F, for a daily mean of 65.7°F. September is 8.0°F cooler than August and 12.2°F warmer than October. September is the 4th warmest month of the year in Tonopah and the 5th wettest. Across the month the normal high falls 12°F, from 87°F on September 1 to 75°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 64°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 8%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 87°F | 54°F | 8% | 4% |
| September 8 | 85°F | 52°F | 8% | 4% |
| September 15 | 82°F | 50°F | 8% | 4% |
| September 22 | 79°F | 48°F | 8% | 3% |
| September 30 | 75°F | 45°F | 7% | 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 | 87°F | 54°F | 8% | 4% | 13 h |
| September 2 | 87°F | 54°F | 8% | 4% | 13 h |
| September 3 | 87°F | 53°F | 8% | 4% | 13 h |
| September 4 | 86°F | 53°F | 8% | 4% | 13 h |
| September 5 | 86°F | 53°F | 8% | 4% | 12 h 50 min |
| September 6 | 86°F | 53°F | 8% | 4% | 12 h 50 min |
| September 7 | 85°F | 52°F | 8% | 4% | 12 h 50 min |
| September 8 | 85°F | 52°F | 8% | 4% | 12 h 50 min |
| September 9 | 85°F | 52°F | 8% | 4% | 12 h 40 min |
| September 10 | 84°F | 52°F | 8% | 4% | 12 h 40 min |
| September 11 | 84°F | 51°F | 8% | 4% | 12 h 40 min |
| September 12 | 83°F | 51°F | 8% | 4% | 12 h 40 min |
| September 13 | 83°F | 51°F | 8% | 4% | 12 h 30 min |
| September 14 | 83°F | 50°F | 8% | 4% | 12 h 30 min |
| September 15 | 82°F | 50°F | 8% | 4% | 12 h 30 min |
| September 16 | 82°F | 50°F | 8% | 4% | 12 h 30 min |
| September 17 | 81°F | 49°F | 8% | 4% | 12 h 20 min |
| September 18 | 81°F | 49°F | 8% | 4% | 12 h 20 min |
| September 19 | 81°F | 49°F | 8% | 3% | 12 h 20 min |
| September 20 | 80°F | 48°F | 8% | 3% | 12 h 20 min |
| September 21 | 80°F | 48°F | 8% | 3% | 12 h 10 min |
| September 22 | 79°F | 48°F | 8% | 3% | 12 h 10 min |
| September 23 | 79°F | 47°F | 7% | 3% | 12 h 10 min |
| September 24 | 78°F | 47°F | 7% | 3% | 12 h 10 min |
| September 25 | 78°F | 46°F | 7% | 3% | 12 h 10 min |
| September 26 | 77°F | 46°F | 7% | 3% | 12 h |
| September 27 | 77°F | 46°F | 7% | 3% | 12 h |
| September 28 | 76°F | 45°F | 7% | 3% | 12 h |
| September 29 | 76°F | 45°F | 7% | 3% | 12 h |
| September 30 | 75°F | 45°F | 7% | 3% | 11 h 50 min |
- Normal high
- 82°FSeptember average
- Normal low
- 50°FSeptember average
- Precipitation
- 0.45 inmonth total
- Days with precipitation
- 20.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 21
- Sunshine
- 93%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023153; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Tonopah in September?
On a given September day the chance of 0.01 inch or more is 8% on average, highest around September 1 (8%). In all, 0.45 in falls on 2 days of a normal September.
In a normal September in Tonopah, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023153.
How humid and windy is Tonopah in September?
At 3 p.m. the normal temperature is 74°F with 16% relative humidity and a dew point of 25°F; at 6 a.m. it is 46°F with 43% humidity. The wind averages 9.3 mph, most often from the west-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. | 46°F | 25°F | 43% | 8.9 mph | 88% |
| 9 a.m. | 63°F | 28°F | 26% | 6.3 mph | 91% |
| noon | 72°F | 27°F | 18% | 10.3 mph | 88% |
| 3 p.m. | 74°F | 25°F | 16% | 11.8 mph | 87% |
| 6 p.m. | 66°F | 25°F | 21% | 9.4 mph | 86% |
| 9 p.m. | 57°F | 24°F | 28% | 7.8 mph | 89% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023153. 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 Tonopah?
The warmest September temperature on this station's record (since 1954) is 101°F, on September 6, 2022; the coldest is 24°F, on September 30, 1982. The wettest September brought 2.05 in (1978).
The September mean against the 1991-2020 normal of 65.7°F: 2021 67.7°F (+2.0), 2022 69.4°F (+3.7), 2023 63.4°F (−2.3), 2024 67.5°F (+1.8), 2025 66.0°F (+0.3), 2026 65.1°F (−0.6). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 67.7°F | +2.0°F | 0.00 in |
| 2022 | 69.4°F | +3.7°F | 0.52 in |
| 2023 | 63.4°F | −2.3°F | 1.21 in |
| 2024 | 67.5°F | +1.8°F | 0.00 in |
| 2025 | 66.0°F | +0.3°F | 2.03 in |
| 2026 | 65.1°F | −0.6°F | 0.22 in |
Source: records: ACIS, station USW00023153; recent months: ACIS, station USW00023153. Records and recent months use complete months only.
How does September in Tonopah 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; Tonopah's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.