Nome weather in September: Nome, Alaska: normal highs, lows, rain and records for September
Nome in September has a normal high of 49°F and a normal low of 37°F, a daily mean of 43°F, falling from 54°F on the 1st to 43°F by the 30th. Measurable precipitation falls on 14 days in a normal September, 2.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 9°C and low of 3°C, 56 mm of precipitation and 1 cm of snow in September.
- NOAA stationNome Airport
- Station IDUSW00026617
- Location64.51°N 165.44°W
- Elevation13 ft (4 m)
- Population3,668
- Jan 13° -2°
- Feb 17° 1°
- Mar 18° 2°
- Apr 29° 16°
- May 44° 31°
- Jun 55° 42°
- Jul 58° 46°
- Aug 56° 44°
- Sep 49° 37°
- Oct 36° 25°
- Nov 24° 12°
- Dec 16° 2°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Nome in September?
The normal high is 49°F and the normal low 37°F, for a daily mean of 43.1°F. September is 7.1°F cooler than August and 12.7°F warmer than October. September is the 4th warmest month of the year in Nome and the 3rd wettest. Across the month the normal high falls 11°F, from 54°F on September 1 to 43°F on September 30. From one year to the next September's mean temperature typically moves about 3.4°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 40°F and 47°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 | 54°F | 43°F | 46% | 25% |
| September 8 | 52°F | 40°F | 46% | 24% |
| September 15 | 50°F | 38°F | 46% | 23% |
| September 22 | 46°F | 35°F | 45% | 22% |
| September 30 | 43°F | 31°F | 44% | 20% |
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 | 54°F | 43°F | 46% | 25% | 14 h 40 min |
| September 2 | 54°F | 42°F | 46% | 25% | 14 h 40 min |
| September 3 | 54°F | 42°F | 46% | 25% | 14 h 30 min |
| September 4 | 53°F | 42°F | 46% | 24% | 14 h 20 min |
| September 5 | 53°F | 41°F | 46% | 24% | 14 h 20 min |
| September 6 | 53°F | 41°F | 46% | 24% | 14 h 10 min |
| September 7 | 53°F | 41°F | 46% | 24% | 14 h |
| September 8 | 52°F | 40°F | 46% | 24% | 14 h |
| September 9 | 52°F | 40°F | 46% | 24% | 13 h 50 min |
| September 10 | 51°F | 40°F | 46% | 23% | 13 h 40 min |
| September 11 | 51°F | 39°F | 46% | 23% | 13 h 40 min |
| September 12 | 51°F | 39°F | 46% | 23% | 13 h 30 min |
| September 13 | 50°F | 38°F | 46% | 23% | 13 h 30 min |
| September 14 | 50°F | 38°F | 46% | 23% | 13 h 20 min |
| September 15 | 50°F | 38°F | 46% | 23% | 13 h 10 min |
| September 16 | 49°F | 37°F | 46% | 23% | 13 h 10 min |
| September 17 | 49°F | 37°F | 46% | 23% | 13 h |
| September 18 | 48°F | 36°F | 46% | 22% | 12 h 50 min |
| September 19 | 48°F | 36°F | 46% | 22% | 12 h 50 min |
| September 20 | 47°F | 36°F | 46% | 22% | 12 h 40 min |
| September 21 | 47°F | 35°F | 45% | 22% | 12 h 30 min |
| September 22 | 46°F | 35°F | 45% | 22% | 12 h 30 min |
| September 23 | 46°F | 34°F | 45% | 21% | 12 h 20 min |
| September 24 | 46°F | 34°F | 45% | 21% | 12 h 10 min |
| September 25 | 45°F | 33°F | 45% | 21% | 12 h 10 min |
| September 26 | 45°F | 33°F | 44% | 21% | 12 h |
| September 27 | 44°F | 32°F | 44% | 20% | 11 h 50 min |
| September 28 | 44°F | 32°F | 44% | 20% | 11 h 50 min |
| September 29 | 43°F | 32°F | 44% | 20% | 11 h 40 min |
| September 30 | 43°F | 31°F | 44% | 20% | 11 h 30 min |
- Normal high
- 49°FSeptember average
- Normal low
- 37°FSeptember average
- Precipitation
- 2.20 inmonth total
- Days with precipitation
- 140.01 inch or more
- Snowfall
- 0.5 inmonth total
- Nights at 32°F or colder
- 9
- Daylight
- 14 h 40 min to 11 h 30 minSeptember 1 to September 30
- Sunshine
- 64%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00026617; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Nome in September?
On a given September day the chance of 0.01 inch or more is 45% on average, highest around September 1 (46%). In all, 2.20 in falls on 14 days of a normal September.
In a normal September in Nome, 9 nights fall to freezing and snowfall averages 0.5 inches.
Snow falls on 1 day in a normal September.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00026617.
How humid and windy is Nome in September?
At 3 p.m. the normal temperature is 42°F with 68% relative humidity and a dew point of 32°F; at 6 a.m. it is 35°F with 82% humidity. The wind averages 9.7 mph, most often from the east-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. | 35°F | 30°F | 82% | 8.4 mph | 33% |
| 9 a.m. | 35°F | 30°F | 81% | 8.6 mph | 19% |
| noon | 40°F | 32°F | 72% | 10.6 mph | 23% |
| 3 p.m. | 42°F | 32°F | 68% | 12.3 mph | 15% |
| 6 p.m. | 41°F | 32°F | 70% | 11.1 mph | – |
| 9 p.m. | 37°F | 31°F | 79% | 9.4 mph | 17% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00026617. 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 Nome?
The warmest September temperature on Nome's official record (since 1906) is 71°F, on September 11, 1979; the coldest is 9°F, on September 28, 1992. The wettest September brought 7.46 in (1986); the snowiest, 4.0 inches (1919).
The September mean against the 1991-2020 normal of 43.1°F: 2021 42.3°F (−0.9), 2022 46.6°F (+3.5), 2023 40.0°F (−3.1), 2024 42.2°F (−0.9), 2025 41.9°F (−1.2), 2026 44.4°F (+1.3). 2 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 42.3°F | −0.9°F | 1.84 in |
| 2022 | 46.6°F | +3.5°F | 5.57 in |
| 2023 | 40.0°F | −3.1°F | 3.36 in |
| 2024 | 42.2°F | −0.9°F | 2.18 in |
| 2025 | 41.9°F | −1.2°F | 1.08 in |
| 2026 | 44.4°F | +1.3°F | 3.35 in |
Source: records: ACIS, NWS threaded record OMEthr; recent months: ACIS, station USW00026617. Records and recent months use complete months only.
How does September in Nome 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; Nome's is 49°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.