Winslow weather in September: Winslow, Arizona: normal highs, lows, rain and records for September
Winslow in September has a normal high of 86°F and a normal low of 54°F, a daily mean of 70°F, falling from 90°F on the 1st to 80°F by the 30th. Measurable precipitation falls on 5 days in a normal September, 0.87 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 12°C, 22 mm of precipitation in September.
- NOAA stationWinslow Municipal Airport
- Station IDUSW00023194
- Location35.03°N 110.72°W
- Elevation4,886 ft (1,489 m)
- Population8,577
- Jan 50° 22°
- Feb 56° 26°
- Mar 65° 32°
- Apr 72° 38°
- May 81° 46°
- Jun 92° 55°
- Jul 95° 64°
- Aug 92° 63°
- Sep 86° 54°
- Oct 74° 40°
- Nov 60° 29°
- Dec 49° 22°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Winslow in September?
The normal high is 86°F and the normal low 54°F, for a daily mean of 69.7°F. September is 7.4°F cooler than August and 12.6°F warmer than October. September is the 4th warmest month of the year in Winslow and the 3rd wettest. Across the month the normal high falls 10°F, from 90°F on September 1 to 80°F on September 30. From one year to the next September's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 68°F and 72°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 23%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 90°F | 59°F | 23% | 10% |
| September 8 | 88°F | 57°F | 20% | 9% |
| September 15 | 86°F | 54°F | 17% | 8% |
| September 22 | 84°F | 51°F | 14% | 6% |
| September 30 | 80°F | 47°F | 11% | 5% |
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 | 90°F | 59°F | 23% | 10% | 13 h |
| September 2 | 90°F | 59°F | 23% | 10% | 12 h 50 min |
| September 3 | 89°F | 59°F | 22% | 10% | 12 h 50 min |
| September 4 | 89°F | 58°F | 22% | 10% | 12 h 50 min |
| September 5 | 89°F | 58°F | 21% | 9% | 12 h 50 min |
| September 6 | 89°F | 58°F | 21% | 9% | 12 h 50 min |
| September 7 | 88°F | 57°F | 21% | 9% | 12 h 40 min |
| September 8 | 88°F | 57°F | 20% | 9% | 12 h 40 min |
| September 9 | 88°F | 57°F | 20% | 9% | 12 h 40 min |
| September 10 | 88°F | 56°F | 19% | 9% | 12 h 40 min |
| September 11 | 87°F | 56°F | 19% | 9% | 12 h 40 min |
| September 12 | 87°F | 56°F | 18% | 8% | 12 h 30 min |
| September 13 | 87°F | 55°F | 18% | 8% | 12 h 30 min |
| September 14 | 86°F | 55°F | 17% | 8% | 12 h 30 min |
| September 15 | 86°F | 54°F | 17% | 8% | 12 h 30 min |
| September 16 | 86°F | 54°F | 16% | 7% | 12 h 20 min |
| September 17 | 85°F | 53°F | 16% | 7% | 12 h 20 min |
| September 18 | 85°F | 53°F | 16% | 7% | 12 h 20 min |
| September 19 | 85°F | 53°F | 15% | 7% | 12 h 20 min |
| September 20 | 84°F | 52°F | 15% | 7% | 12 h 20 min |
| September 21 | 84°F | 52°F | 14% | 6% | 12 h 10 min |
| September 22 | 84°F | 51°F | 14% | 6% | 12 h 10 min |
| September 23 | 83°F | 51°F | 13% | 6% | 12 h 10 min |
| September 24 | 83°F | 50°F | 13% | 6% | 12 h 10 min |
| September 25 | 82°F | 50°F | 13% | 6% | 12 h 10 min |
| September 26 | 82°F | 49°F | 12% | 5% | 12 h |
| September 27 | 82°F | 49°F | 12% | 5% | 12 h |
| September 28 | 81°F | 48°F | 12% | 5% | 12 h |
| September 29 | 81°F | 48°F | 12% | 5% | 12 h |
| September 30 | 80°F | 47°F | 11% | 5% | 11 h 50 min |
- Normal high
- 86°FSeptember average
- Normal low
- 54°FSeptember average
- Precipitation
- 0.87 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 8
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 25
- Sunshine
- 90%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023194; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Winslow in September?
On a given September day the chance of 0.01 inch or more is 17% on average, highest around September 1 (23%). In all, 0.87 in falls on 5 days of a normal September.
In a normal September in Winslow, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023194.
How humid and windy is Winslow in September?
At 3 p.m. the normal temperature is 79°F with 18% relative humidity and a dew point of 32°F; at 6 a.m. it is 49°F with 55% humidity. The wind averages 7.1 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. | 49°F | 34°F | 55% | 4.5 mph | 91% |
| 9 a.m. | 63°F | 36°F | 37% | 6.7 mph | 94% |
| noon | 75°F | 35°F | 23% | 8.5 mph | 92% |
| 3 p.m. | 79°F | 32°F | 18% | 10.4 mph | 91% |
| 6 p.m. | 75°F | 32°F | 21% | 9.6 mph | 93% |
| 9 p.m. | 62°F | 33°F | 34% | 7.2 mph | 93% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023194. 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 Winslow?
The warmest September temperature on Winslow's official record (since 1915) is 103°F, on September 6, 2020; the coldest is 29°F, on September 27, 1924. The wettest September brought 4.44 in (2026).
The September mean against the 1991-2020 normal of 69.7°F: 2021 71.7°F (+2.0), 2022 72.7°F (+3.0), 2023 70.7°F (+1.0), 2024 72.4°F (+2.7), 2025 69.9°F (+0.2), 2026 71.2°F (+1.5). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.7°F | +2.0°F | 1.19 in |
| 2022 | 72.7°F | +3.0°F | 0.99 in |
| 2023 | 70.7°F | +1.0°F | 0.76 in |
| 2024 | 72.4°F | +2.7°F | 0.10 in |
| 2025 | 69.9°F | +0.2°F | 1.72 in |
| 2026 | 71.2°F | +1.5°F | 4.44 in |
Source: records: ACIS, NWS threaded record INWthr; recent months: ACIS, station USW00023194. Records and recent months use complete months only.
How does September in Winslow 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; Winslow's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.