Centralia weather in September: Centralia, Washington: normal highs, lows, rain and records for September
Centralia in September has a normal high of 73°F and a normal low of 48°F, a daily mean of 61°F, falling from 76°F on the 1st to 68°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 1.59 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 9°C, 40 mm of precipitation in September.
- NOAA stationCentralia
- Station IDUSC00451276
- Location46.72°N 122.95°W
- Elevation185 ft (56 m)
- Population19,061
- Jan 46° 34°
- Feb 50° 34°
- Mar 54° 36°
- Apr 60° 39°
- May 67° 44°
- Jun 71° 49°
- Jul 78° 53°
- Aug 78° 53°
- Sep 73° 48°
- Oct 61° 43°
- Nov 51° 37°
- Dec 45° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Centralia in September?
The normal high is 73°F and the normal low 48°F, for a daily mean of 60.5°F. September is 5.0°F cooler than August and 8.6°F warmer than October. September is the 3rd warmest month of the year in Centralia and the 9th wettest. Across the month the normal high falls 8°F, from 76°F on September 1 to 68°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 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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 76°F | 51°F | 21% | 9% |
| September 8 | 75°F | 50°F | 24% | 10% |
| September 15 | 73°F | 49°F | 28% | 13% |
| September 22 | 71°F | 47°F | 32% | 15% |
| September 30 | 68°F | 46°F | 37% | 19% |
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 | 76°F | 51°F | 21% | 9% | 13 h 20 min |
| September 2 | 76°F | 51°F | 21% | 9% | 13 h 20 min |
| September 3 | 76°F | 50°F | 22% | 9% | 13 h 20 min |
| September 4 | 76°F | 50°F | 22% | 10% | 13 h 10 min |
| September 5 | 76°F | 50°F | 23% | 10% | 13 h 10 min |
| September 6 | 75°F | 50°F | 23% | 10% | 13 h 10 min |
| September 7 | 75°F | 50°F | 23% | 10% | 13 h |
| September 8 | 75°F | 50°F | 24% | 10% | 13 h |
| September 9 | 75°F | 50°F | 24% | 11% | 13 h |
| September 10 | 74°F | 49°F | 25% | 11% | 12 h 50 min |
| September 11 | 74°F | 49°F | 25% | 11% | 12 h 50 min |
| September 12 | 74°F | 49°F | 26% | 12% | 12 h 50 min |
| September 13 | 74°F | 49°F | 27% | 12% | 12 h 40 min |
| September 14 | 73°F | 49°F | 27% | 12% | 12 h 40 min |
| September 15 | 73°F | 49°F | 28% | 13% | 12 h 40 min |
| September 16 | 73°F | 48°F | 29% | 13% | 12 h 30 min |
| September 17 | 73°F | 48°F | 29% | 13% | 12 h 30 min |
| September 18 | 72°F | 48°F | 30% | 14% | 12 h 30 min |
| September 19 | 72°F | 48°F | 30% | 14% | 12 h 30 min |
| September 20 | 72°F | 48°F | 31% | 14% | 12 h 20 min |
| September 21 | 71°F | 48°F | 31% | 15% | 12 h 20 min |
| September 22 | 71°F | 47°F | 32% | 15% | 12 h 20 min |
| September 23 | 71°F | 47°F | 33% | 16% | 12 h 10 min |
| September 24 | 70°F | 47°F | 33% | 16% | 12 h 10 min |
| September 25 | 70°F | 47°F | 34% | 16% | 12 h 10 min |
| September 26 | 69°F | 47°F | 35% | 17% | 12 h |
| September 27 | 69°F | 46°F | 35% | 17% | 12 h |
| September 28 | 69°F | 46°F | 36% | 18% | 12 h |
| September 29 | 68°F | 46°F | 37% | 18% | 11 h 50 min |
| September 30 | 68°F | 46°F | 37% | 19% | 11 h 50 min |
- Normal high
- 73°FSeptember average
- Normal low
- 48°FSeptember average
- Precipitation
- 1.59 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 20 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 20
- Days at 80°F or more
- 7
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00451276; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Centralia in September?
On a given September day the chance of 0.01 inch or more is 28% on average, highest around September 30 (37%). In all, 1.59 in falls on 8 days of a normal September.
In a normal September in Centralia, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00451276.
What are the records for September in Centralia?
The warmest September temperature on this station's record (since 1893) is 100°F, on September 5, 1944; the coldest is 24°F, on September 25, 1908. The wettest September brought 7.26 in (2013).
The September mean against the 1991-2020 normal of 60.5°F: 2021 61.4°F (+0.9). 1 of 1 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.4°F | +0.9°F | 1.79 in |
Source: records: ACIS, station USC00451276; recent months: ACIS, station USC00451276. Records and recent months use complete months only.
How does September in Centralia 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; Centralia's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.