Loa Weather in September
Average highs run from 79°F on September 1 to 69°F on September 30, and lows from 44°F to 33°F. Normal precipitation for the month is 0.98 in over about 5 wet days.
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
- 39°F
- Precipitation
- 0.98 in
- Record high
- 103°FSep 2, 2024
- Record low
- 12°FSep 29, 1898
- Chance of a freeze
- 87%
- Daylight
- 13 h 00 min to 11 h 49 min
- Cloud cover
- 39%
- Humidity
- 39%
- Dew point
- 32°F
- Wind
- 7.4 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 | 79°F | 44°F | 99°F 2020 | 30°F 1900 | 21% | 0% |
| Sep 2 | 79°F | 44°F | 103°F 2024 | 23°F 1908 | 21% | 0% |
| Sep 3 | 79°F | 44°F | 98°F 1908 | 27°F 1964 | 21% | 0% |
| Sep 4 | 79°F | 43°F | 98°F 2022 | 25°F 1900 | 20% | 0% |
| Sep 5 | 78°F | 43°F | 98°F 2022 | 25°F 1900 | 20% | 0% |
| Sep 6 | 78°F | 43°F | 98°F 1944 | 30°F 1900 | 20% | 0% |
| Sep 7 | 78°F | 42°F | 100°F 2022 | 28°F 1900 | 20% | 0% |
| Sep 8 | 78°F | 42°F | 100°F 2022 | 28°F 1898 | 19% | 0% |
| Sep 9 | 77°F | 42°F | 96°F 2022 | 25°F 1900 | 19% | 0% |
| Sep 10 | 77°F | 41°F | 95°F 1959 | 25°F 1900 | 19% | |
| Sep 11 | 77°F | 41°F | 97°F 1907 | 16°F 1898 | 19% | |
| Sep 12 | 76°F | 40°F | 94°F 1907 | 26°F 1951 | 19% | |
| Sep 13 | 76°F | 40°F | 95°F 1990 | 25°F 1898 | 19% | |
| Sep 14 | 76°F | 40°F | 95°F 1948 | 26°F 1898 | 18% | |
| Sep 15 | 75°F | 39°F | 93°F 2000 | 24°F 1900 | 18% | |
| Sep 16 | 75°F | 39°F | 92°F 2000 | 20°F 1898 | 18% | |
| Sep 17 | 75°F | 38°F | 94°F 2025 | 23°F 1898 | 17% | |
| Sep 18 | 74°F | 38°F | 93°F 1935 | 19°F 1965 | 17% | |
| Sep 19 | 74°F | 38°F | 95°F 1937 | 21°F 1988 | 17% | |
| Sep 20 | 73°F | 37°F | 94°F 1920 | 22°F 1898 | 17% | |
| Sep 21 | 73°F | 37°F | 91°F 1915 | 22°F 1900 | 17% | |
| Sep 22 | 73°F | 36°F | 91°F 1943 | 21°F 1900 | 16% | |
| Sep 23 | 72°F | 36°F | 97°F 1920 | 21°F 1901 | 16% | |
| Sep 24 | 72°F | 35°F | 90°F 1915 | 22°F 1898 | 16% | |
| Sep 25 | 71°F | 35°F | 93°F 1947 | 21°F 1898 | 16% | |
| Sep 26 | 71°F | 35°F | 90°F 1960 | 16°F 1908 | 16% | |
| Sep 27 | 70°F | 34°F | 90°F 1942 | 14°F 1908 | 16% | |
| Sep 28 | 70°F | 34°F | 90°F 1947 | 15°F 1898 | 16% | |
| Sep 29 | 70°F | 33°F | 92°F 2024 | 12°F 1898 | 16% | |
| Sep 30 | 69°F | 33°F | 91°F 1963 | 14°F 1898 | 16% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- September 1
- sunrise 6:56 AM, sunset 7:56 PM
- September 30
- sunrise 7:22 AM, sunset 7:11 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00425148 (Loa), public domain. Records: NOAA GHCN-Daily, station USC00427260, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.