Trout Lake Weather in September
Average highs run from 80°F on September 1 to 69°F on September 30, and lows from 46°F to 39°F.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 75°F
- Average low
- 42°F
- Record high
- 101°FSep 4, 2020
- Record low
- 24°FSep 25, 1926
- Chance of a freeze
- 66%
- Days of 90°F or more
- 1.3
- Daylight
- 13 h 17 min to 11 h 44 min
- Cloud cover
- 43%
- Humidity
- 66%
- Dew point
- 43°F
- Wind
- 5.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Sep 1 | 80°F | 46°F | 100°F 1998 | 37°F 1973 | 0% | |
| Sep 2 | 80°F | 46°F | 98°F 2017 | 36°F 1919 | 0% | |
| Sep 3 | 79°F | 46°F | 98°F 1988 | 38°F 1932 | 0% | |
| Sep 4 | 79°F | 45°F | 101°F 2020 | 38°F 1956 | 0% | |
| Sep 5 | 79°F | 45°F | 96°F 2003 | 38°F 1921 | 0% | |
| Sep 6 | 79°F | 45°F | 96°F 2024 | 36°F 1895 | 0% | |
| Sep 7 | 78°F | 45°F | 94°F 1924 | 35°F 1929 | 0% | |
| Sep 8 | 78°F | 44°F | 95°F 2003 | 36°F 1960 | 0% | |
| Sep 9 | 78°F | 44°F | 96°F 1963 | 34°F 1962 | 0% | |
| Sep 10 | 78°F | 44°F | 96°F 1944 | 35°F 1907 | 0% | |
| Sep 11 | 77°F | 44°F | 96°F 2024 | 30°F 1921 | 0% | |
| Sep 12 | 77°F | 43°F | 94°F 2011 | 30°F 1921 | 0% | |
| Sep 13 | 77°F | 43°F | 93°F 2009 | 29°F 1921 | 0% | |
| Sep 14 | 76°F | 43°F | 95°F 1938 | 30°F 1921 | 0% | |
| Sep 15 | 76°F | 43°F | 95°F 1938 | 32°F 1921 | 0% | |
| Sep 16 | 75°F | 42°F | 94°F 2002 | 32°F 1936 | 0% | |
| Sep 17 | 75°F | 42°F | 98°F 1938 | 27°F 1965 | 0% | |
| Sep 18 | 75°F | 42°F | 91°F 1952 | 29°F 1965 | 0% | |
| Sep 19 | 74°F | 42°F | 90°F 1952 | 32°F 1965 | 0% | |
| Sep 20 | 74°F | 41°F | 90°F 1999 | 29°F 1926 | 0% | |
| Sep 21 | 73°F | 41°F | 94°F 1939 | 29°F 1895 | 0% | |
| Sep 22 | 73°F | 41°F | 92°F 2014 | 32°F 1993 | 0% | |
| Sep 23 | 73°F | 41°F | 90°F 1966 | 26°F 1908 | 0% | |
| Sep 24 | 72°F | 40°F | 90°F 1942 | 28°F 2000 | 0% | |
| Sep 25 | 72°F | 40°F | 90°F 1994 | 24°F 1926 | 0% | |
| Sep 26 | 71°F | 40°F | 89°F 1991 | 26°F 1926 | 0% | |
| Sep 27 | 71°F | 40°F | 88°F 2003 | 29°F 1972 | 0% | |
| Sep 28 | 70°F | 39°F | 91°F 1994 | 27°F 1999 | 0% | |
| Sep 29 | 70°F | 39°F | 91°F 2003 | 26°F 1985 | 0% | |
| Sep 30 | 69°F | 39°F | 90°F 1993 | 28°F 1985 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:27 AM, sunset 7:44 PM
- September 30
- sunrise 7:04 AM, sunset 6:48 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00455659 (Mt Adams RS), public domain. Records: NOAA GHCN-Daily, station USC00354003, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.