Cordova weather in September: Cordova, Alaska: normal highs, lows, rain and records for September
Cordova in September has a normal high of 56°F and a normal low of 40°F, a daily mean of 48°F, falling from 60°F on the 1st to 53°F by the 30th. Measurable precipitation falls on 21 days in a normal September, 13.21 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 5°C, 336 mm of precipitation in September.
- NOAA stationCordova M K Smith Airport
- Station IDUSW00026410
- Location60.49°N 145.45°W
- Elevation31 ft (9 m)
- Population2,413
- Jan 34° 19°
- Feb 37° 21°
- Mar 39° 23°
- Apr 47° 30°
- May 54° 37°
- Jun 59° 44°
- Jul 62° 48°
- Aug 62° 46°
- Sep 56° 40°
- Oct 48° 33°
- Nov 38° 25°
- Dec 35° 22°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cordova in September?
The normal high is 56°F and the normal low 40°F, for a daily mean of 48.4°F. September is 5.7°F cooler than August and 8.3°F warmer than October. September is the 4th warmest month of the year in Cordova and the wettest. Across the month the normal high falls 7°F, from 60°F on September 1 to 53°F on September 30. From one year to the next September's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 47°F and 50°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 70%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 60°F | 43°F | 68% | 51% |
| September 8 | 58°F | 42°F | 69% | 53% |
| September 15 | 57°F | 40°F | 70% | 54% |
| September 22 | 55°F | 39°F | 70% | 55% |
| September 30 | 53°F | 38°F | 70% | 55% |
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 | 60°F | 43°F | 68% | 51% | 14 h 20 min |
| September 2 | 60°F | 43°F | 68% | 51% | 14 h 10 min |
| September 3 | 60°F | 43°F | 68% | 51% | 14 h 10 min |
| September 4 | 59°F | 43°F | 68% | 51% | 14 h |
| September 5 | 59°F | 42°F | 68% | 52% | 14 h |
| September 6 | 59°F | 42°F | 69% | 52% | 13 h 50 min |
| September 7 | 59°F | 42°F | 69% | 52% | 13 h 40 min |
| September 8 | 58°F | 42°F | 69% | 53% | 13 h 40 min |
| September 9 | 58°F | 42°F | 69% | 53% | 13 h 30 min |
| September 10 | 58°F | 41°F | 69% | 53% | 13 h 30 min |
| September 11 | 58°F | 41°F | 69% | 53% | 13 h 20 min |
| September 12 | 57°F | 41°F | 69% | 54% | 13 h 20 min |
| September 13 | 57°F | 41°F | 69% | 54% | 13 h 10 min |
| September 14 | 57°F | 41°F | 70% | 54% | 13 h 10 min |
| September 15 | 57°F | 40°F | 70% | 54% | 13 h |
| September 16 | 56°F | 40°F | 70% | 55% | 13 h |
| September 17 | 56°F | 40°F | 70% | 55% | 12 h 50 min |
| September 18 | 56°F | 40°F | 70% | 55% | 12 h 40 min |
| September 19 | 56°F | 40°F | 70% | 55% | 12 h 40 min |
| September 20 | 55°F | 39°F | 70% | 55% | 12 h 30 min |
| September 21 | 55°F | 39°F | 70% | 55% | 12 h 30 min |
| September 22 | 55°F | 39°F | 70% | 55% | 12 h 20 min |
| September 23 | 55°F | 39°F | 70% | 56% | 12 h 20 min |
| September 24 | 54°F | 39°F | 70% | 56% | 12 h 10 min |
| September 25 | 54°F | 39°F | 70% | 56% | 12 h 10 min |
| September 26 | 54°F | 38°F | 70% | 55% | 12 h |
| September 27 | 54°F | 38°F | 70% | 55% | 12 h |
| September 28 | 53°F | 38°F | 70% | 55% | 11 h 50 min |
| September 29 | 53°F | 38°F | 70% | 55% | 11 h 40 min |
| September 30 | 53°F | 38°F | 70% | 55% | 11 h 40 min |
- Normal high
- 56°FSeptember average
- Normal low
- 40°FSeptember average
- Precipitation
- 13.21 inmonth total
- Days with precipitation
- 210.01 inch or more
- Nights at 32°F or colder
- 5
- Daylight
- 14 h 20 min to 11 h 40 minSeptember 1 to September 30
- Days at 70°F or more
- 1
- Sunshine
- 60%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00026410; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Cordova in September?
On a given September day the chance of 0.01 inch or more is 69% on average, highest around September 25 (70%). In all, 13.21 in falls on 21 days of a normal September, 5 of them with an inch or more.
In a normal September in Cordova, 5 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00026410.
How humid and windy is Cordova in September?
At 3 p.m. the normal temperature is 50°F with 67% relative humidity and a dew point of 40°F; at 6 a.m. it is 41°F with 88% humidity. The wind averages 4.8 mph, most often from the east in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 41°F | 38°F | 88% | 4.3 mph | – |
| 9 a.m. | 44°F | 40°F | 85% | 4.1 mph | – |
| noon | 50°F | 40°F | 70% | 5.8 mph | – |
| 3 p.m. | 50°F | 40°F | 67% | 6.4 mph | – |
| 6 p.m. | 47°F | 41°F | 77% | 4.7 mph | – |
| 9 p.m. | 43°F | 39°F | 85% | 4.1 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00026410. 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 Cordova?
The warmest September temperature on this station's record (since 1909) is 78°F, on September 21, 1913; the coldest is 20°F, on September 24, 1956. The wettest September brought 49.63 in (1912).
The September mean against the 1991-2020 normal of 48.4°F: 2021 48.2°F (−0.2), 2022 49.2°F (+0.8), 2023 47.8°F (−0.6), 2026 50.3°F (+1.9). 2 of 4 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 48.2°F | −0.2°F | 9.55 in |
| 2022 | 49.2°F | +0.8°F | 22.00 in |
| 2023 | 47.8°F | −0.6°F | – |
| 2026 | 50.3°F | +1.9°F | 10.31 in |
Source: records: ACIS, station USW00026410; recent months: ACIS, station USW00026410. Records and recent months use complete months only.
How does September in Cordova 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; Cordova's is 56°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.