Bettles weather in September: Bettles, Alaska: normal highs, lows, rain and records for September
Bettles in September has a normal high of 50°F and a normal low of 33°F, a daily mean of 41°F, falling from 57°F on the 1st to 41°F by the 30th. Measurable precipitation falls on 13 days in a normal September, 2.13 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 10°C and low of 0°C, 54 mm of precipitation and 8 cm of snow in September.
- NOAA stationBettles Airport
- Station IDUSW00026533
- Location66.92°N 151.51°W
- Elevation642 ft (196 m)
- Population24
- Jan -2° -19°
- Feb 7° -13°
- Mar 17° -9°
- Apr 36° 13°
- May 56° 34°
- Jun 70° 47°
- Jul 70° 49°
- Aug 63° 43°
- Sep 50° 33°
- Oct 28° 14°
- Nov 8° -7°
- Dec 2° -14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Bettles in September?
The normal high is 50°F and the normal low 33°F, for a daily mean of 41.2°F. September is 11.5°F cooler than August and 19.9°F warmer than October. September is the 5th warmest month of the year in Bettles and the 3rd wettest. Across the month the normal high falls 16°F, from 57°F on September 1 to 41°F on September 30. From one year to the next September's mean temperature typically moves about 4.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 37°F and 45°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 46%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 57°F | 38°F | 46% | 23% |
| September 8 | 54°F | 36°F | 44% | 22% |
| September 15 | 50°F | 33°F | 43% | 21% |
| September 22 | 46°F | 30°F | 42% | 19% |
| September 30 | 41°F | 26°F | 40% | 17% |
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 | 57°F | 38°F | 46% | 23% | 15 h |
| September 2 | 57°F | 38°F | 45% | 23% | 15 h |
| September 3 | 56°F | 37°F | 45% | 23% | 14 h 50 min |
| September 4 | 56°F | 37°F | 45% | 22% | 14 h 40 min |
| September 5 | 55°F | 37°F | 45% | 22% | 14 h 30 min |
| September 6 | 55°F | 36°F | 45% | 22% | 14 h 30 min |
| September 7 | 55°F | 36°F | 44% | 22% | 14 h 20 min |
| September 8 | 54°F | 36°F | 44% | 22% | 14 h 10 min |
| September 9 | 54°F | 35°F | 44% | 22% | 14 h |
| September 10 | 53°F | 35°F | 44% | 22% | 14 h |
| September 11 | 53°F | 35°F | 44% | 21% | 13 h 50 min |
| September 12 | 52°F | 34°F | 44% | 21% | 13 h 40 min |
| September 13 | 52°F | 34°F | 44% | 21% | 13 h 30 min |
| September 14 | 51°F | 33°F | 43% | 21% | 13 h 30 min |
| September 15 | 50°F | 33°F | 43% | 21% | 13 h 20 min |
| September 16 | 50°F | 33°F | 43% | 21% | 13 h 10 min |
| September 17 | 49°F | 32°F | 43% | 21% | 13 h 10 min |
| September 18 | 49°F | 32°F | 43% | 20% | 13 h |
| September 19 | 48°F | 32°F | 43% | 20% | 12 h 50 min |
| September 20 | 48°F | 31°F | 42% | 20% | 12 h 40 min |
| September 21 | 47°F | 31°F | 42% | 20% | 12 h 40 min |
| September 22 | 46°F | 30°F | 42% | 19% | 12 h 30 min |
| September 23 | 46°F | 30°F | 42% | 19% | 12 h 20 min |
| September 24 | 45°F | 29°F | 41% | 19% | 12 h 10 min |
| September 25 | 45°F | 29°F | 41% | 18% | 12 h 10 min |
| September 26 | 44°F | 29°F | 41% | 18% | 12 h |
| September 27 | 43°F | 28°F | 41% | 18% | 11 h 50 min |
| September 28 | 43°F | 28°F | 41% | 17% | 11 h 50 min |
| September 29 | 42°F | 27°F | 41% | 17% | 11 h 40 min |
| September 30 | 41°F | 26°F | 40% | 17% | 11 h 30 min |
- Normal high
- 50°FSeptember average
- Normal low
- 33°FSeptember average
- Precipitation
- 2.13 inmonth total
- Days with precipitation
- 130.01 inch or more
- Snowfall
- 3.2 inmonth total
- Nights at 32°F or colder
- 14
- Daylight
- 15 h to 11 h 30 minSeptember 1 to September 30
- Sunshine
- 65%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00026533; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Bettles in September?
On a given September day the chance of 0.01 inch or more is 43% on average, highest around September 1 (46%). In all, 2.13 in falls on 13 days of a normal September.
In a normal September in Bettles, 14 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 3.2 inches.
Snow falls on 3 days in a normal September, and an inch or more covers the ground on 2 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00026533.
How humid and windy is Bettles in September?
At 3 p.m. the normal temperature is 39°F with 62% relative humidity and a dew point of 27°F; at 6 a.m. it is 29°F with 82% humidity. The wind averages 5.1 mph, most often from the north-northeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 29°F | 24°F | 82% | 5.1 mph | 28% |
| 9 a.m. | 30°F | 24°F | 79% | 5.4 mph | 20% |
| noon | 35°F | 26°F | 69% | 5.9 mph | 25% |
| 3 p.m. | 39°F | 27°F | 62% | 5.9 mph | 18% |
| 6 p.m. | 37°F | 27°F | 65% | 4.6 mph | 18% |
| 9 p.m. | 33°F | 26°F | 77% | 4.1 mph | 24% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00026533. 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 Bettles?
The warmest September temperature on Bettles's official record (since 1944) is 79°F, on September 5, 1957; the coldest is 0°F, on September 23, 1992. The wettest September brought 5.35 in (2016); the snowiest, 19.2 inches (1996).
The September mean against the 1991-2020 normal of 41.2°F: 2021 39.9°F (−1.3), 2022 43.8°F (+2.6), 2023 41.3°F (at normal), 2024 42.7°F (+1.5), 2025 42.0°F (+0.8), 2026 42.0°F (+0.8). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 39.9°F | −1.3°F | 2.05 in |
| 2022 | 43.8°F | +2.6°F | 3.12 in |
| 2023 | 41.3°F | at normal | 3.16 in |
| 2024 | 42.7°F | +1.5°F | 1.09 in |
| 2025 | 42.0°F | +0.8°F | 3.13 in |
| 2026 | 42.0°F | +0.8°F | 3.27 in |
Source: records: ACIS, NWS threaded record BTTthr; recent months: ACIS, station USW00026533. Records and recent months use complete months only.
How does September in Bettles compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, September normal highs run from 37°F in Utqiaġvik to 60°F in Klawock; Bettles's is 50°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.