Anacortes weather in September: Anacortes, Washington: normal highs, lows, rain and records for September
Anacortes in September has a normal high of 70°F and a normal low of 51°F, a daily mean of 61°F, falling from 73°F on the 1st to 66°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 1.55 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 11°C, 39 mm of precipitation in September.
- NOAA stationAnacortes
- Station IDUSC00450176
- Location48.51°N 122.61°W
- Elevation20 ft (6 m)
- Population18,148
- Jan 48° 37°
- Feb 51° 37°
- Mar 54° 40°
- Apr 59° 43°
- May 66° 48°
- Jun 70° 52°
- Jul 75° 54°
- Aug 75° 54°
- Sep 70° 51°
- Oct 61° 46°
- Nov 53° 40°
- Dec 47° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Anacortes in September?
The normal high is 70°F and the normal low 51°F, for a daily mean of 60.7°F. September is 4.0°F cooler than August and 7.3°F warmer than October. September is the 4th warmest month of the year in Anacortes and the 9th wettest. Across the month the normal high falls 7°F, from 73°F on September 1 to 66°F on September 30. From one year to the next September's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 59°F and 62°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 73°F | 53°F | 21% | 11% |
| September 8 | 72°F | 53°F | 23% | 12% |
| September 15 | 71°F | 52°F | 25% | 14% |
| September 22 | 69°F | 50°F | 28% | 16% |
| September 30 | 66°F | 49°F | 32% | 18% |
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 | 73°F | 53°F | 21% | 11% | 13 h 30 min |
| September 2 | 73°F | 53°F | 21% | 11% | 13 h 30 min |
| September 3 | 73°F | 53°F | 21% | 11% | 13 h 20 min |
| September 4 | 73°F | 53°F | 22% | 11% | 13 h 20 min |
| September 5 | 73°F | 53°F | 22% | 12% | 13 h 20 min |
| September 6 | 72°F | 53°F | 22% | 12% | 13 h 10 min |
| September 7 | 72°F | 53°F | 23% | 12% | 13 h 10 min |
| September 8 | 72°F | 53°F | 23% | 12% | 13 h |
| September 9 | 72°F | 53°F | 23% | 13% | 13 h |
| September 10 | 72°F | 52°F | 23% | 13% | 13 h |
| September 11 | 71°F | 52°F | 24% | 13% | 12 h 50 min |
| September 12 | 71°F | 52°F | 24% | 13% | 12 h 50 min |
| September 13 | 71°F | 52°F | 24% | 13% | 12 h 50 min |
| September 14 | 71°F | 52°F | 25% | 14% | 12 h 40 min |
| September 15 | 71°F | 52°F | 25% | 14% | 12 h 40 min |
| September 16 | 70°F | 52°F | 25% | 14% | 12 h 40 min |
| September 17 | 70°F | 51°F | 26% | 14% | 12 h 30 min |
| September 18 | 70°F | 51°F | 26% | 15% | 12 h 30 min |
| September 19 | 70°F | 51°F | 26% | 15% | 12 h 30 min |
| September 20 | 69°F | 51°F | 27% | 15% | 12 h 20 min |
| September 21 | 69°F | 51°F | 27% | 15% | 12 h 20 min |
| September 22 | 69°F | 50°F | 28% | 16% | 12 h 20 min |
| September 23 | 68°F | 50°F | 28% | 16% | 12 h 10 min |
| September 24 | 68°F | 50°F | 29% | 16% | 12 h 10 min |
| September 25 | 68°F | 50°F | 29% | 16% | 12 h 10 min |
| September 26 | 68°F | 50°F | 30% | 17% | 12 h |
| September 27 | 67°F | 49°F | 30% | 17% | 12 h |
| September 28 | 67°F | 49°F | 31% | 18% | 11 h 50 min |
| September 29 | 67°F | 49°F | 32% | 18% | 11 h 50 min |
| September 30 | 66°F | 49°F | 32% | 18% | 11 h 50 min |
- Normal high
- 70°FSeptember average
- Normal low
- 51°FSeptember average
- Precipitation
- 1.55 inmonth total
- Days with precipitation
- 80.01 inch or more
- Daylight
- 13 h 30 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 14
- Days at 80°F or more
- 1
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00450176; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Anacortes in September?
On a given September day the chance of 0.01 inch or more is 26% on average, highest around September 30 (32%). In all, 1.55 in falls on 8 days of a normal September.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00450176.
What are the records for September in Anacortes?
The warmest September temperature on this station's record (since 1905) is 88°F, on September 5, 1944; the coldest is 33°F, on September 24, 1908. The wettest September brought 3.55 in (1983).
Source: records: ACIS, station USC00450176. Records and recent months use complete months only.
How does September in Anacortes compare across Washington?
Across the 96 places PlainClimate covers in Washington, September normal highs run from 66°F in Coupeville to 81°F in Pasco; Anacortes's is 70°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.