Port Angeles weather in September: Port Angeles, Washington: normal highs, lows, rain and records for September

Port Angeles in September has a normal high of 66°F and a normal low of 47°F, a daily mean of 57°F, falling from 69°F on the 1st to 62°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 1.29 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 19°C and low of 8°C, 33 mm of precipitation in September.

  • NOAA stationPort Angeles International Airport
  • Station IDUSW00094266
  • Location48.12°N 123.50°W
  • Elevation288 ft (88 m)
  • Population20,112
  1. Jan 45° 33°
  2. Feb 47° 33°
  3. Mar 50° 35°
  4. Apr 54° 39°
  5. May 60° 43°
  6. Jun 63° 47°
  7. Jul 68° 51°
  8. Aug 70° 51°
  9. Sep 66° 47°
  10. Oct 57° 42°
  11. Nov 49° 36°
  12. Dec 45° 33°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Port Angeles in September?

The normal high is 66°F and the normal low 47°F, for a daily mean of 56.6°F. September is 3.8°F cooler than August and 7.4°F warmer than October. September is the 3rd warmest month of the year in Port Angeles and the 8th wettest. Across the month the normal high falls 7°F, from 69°F on September 1 to 62°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 55°F and 58°F.

Port Angeles in September, day by day: normal high and low

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 36%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 169°F49°F23%9%
September 868°F48°F26%11%
September 1567°F47°F30%12%
September 2265°F46°F33%14%
September 3062°F45°F36%17%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Port Angeles: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 169°F49°F23%9%13 h 30 min
September 269°F49°F24%9%13 h 20 min
September 369°F49°F24%10%13 h 20 min
September 469°F49°F25%10%13 h 20 min
September 569°F49°F25%10%13 h 10 min
September 668°F49°F26%10%13 h 10 min
September 768°F49°F26%10%13 h 10 min
September 868°F48°F26%11%13 h
September 968°F48°F27%11%13 h
September 1068°F48°F27%11%13 h
September 1168°F48°F28%11%12 h 50 min
September 1267°F48°F28%12%12 h 50 min
September 1367°F48°F29%12%12 h 50 min
September 1467°F47°F29%12%12 h 40 min
September 1567°F47°F30%12%12 h 40 min
September 1666°F47°F30%13%12 h 40 min
September 1766°F47°F31%13%12 h 30 min
September 1866°F47°F31%13%12 h 30 min
September 1966°F47°F32%13%12 h 30 min
September 2065°F46°F32%14%12 h 20 min
September 2165°F46°F33%14%12 h 20 min
September 2265°F46°F33%14%12 h 20 min
September 2364°F46°F33%15%12 h 10 min
September 2464°F46°F34%15%12 h 10 min
September 2564°F46°F34%15%12 h 10 min
September 2663°F45°F35%16%12 h
September 2763°F45°F35%16%12 h
September 2863°F45°F35%16%11 h 50 min
September 2962°F45°F36%17%11 h 50 min
September 3062°F45°F36%17%11 h 50 min
Normal high
66°FSeptember average
Normal low
47°FSeptember average
Precipitation
1.29 inmonth total
Days with precipitation
90.01 inch or more
Daylight
13 h 30 min to 11 h 50 minSeptember 1 to September 30
Days at 70°F or more
7
Days at 80°F or more
1
Sunshine
76%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094266; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Port Angeles in September?

On a given September day the chance of 0.01 inch or more is 30% on average, highest around September 30 (36%). In all, 1.29 in falls on 9 days of a normal September.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094266.

What are the records for September in Port Angeles?

The warmest September temperature on this station's record (since 1998) is 88°F, on September 4, 2017; the coldest is 33°F, on September 30, 1999. The wettest September brought 5.33 in (2013).

The September mean against the 1991-2020 normal of 56.6°F: 2021 57.2°F (+0.6), 2022 60.1°F (+3.5), 2023 58.1°F (+1.5), 2024 59.5°F (+2.9), 2025 57.6°F (+1.0), 2026 55.7°F (−0.9). 5 of 6 ran warmer than normal.

Port Angeles: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202157.2°F+0.6°F2.32 in
202260.1°F+3.5°F0.01 in
202358.1°F+1.5°F0.45 in
202459.5°F+2.9°F1.05 in
202557.6°F+1.0°F–
202655.7°F−0.9°F1.13 in

Source: records: ACIS, station USW00094266; recent months: ACIS, station USW00094266. Records and recent months use complete months only.

How does September in Port Angeles 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; Port Angeles's is 66°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places