Tillamook County Weather in September
Average highs run from 69°F on September 1 to 65°F on September 30, and lows from 50°F to 45°F. Normal precipitation for the month is 3.33 in.
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
- 68°F
- Average low
- 48°F
- Precipitation
- 3.33 in
- Record high
- 97°FSep 14, 1979
- Record low
- 27°FSep 27, 1972
- Chance of a freeze
- 0%
- Daylight
- 13 h 15 min to 11 h 45 min
- Cloud cover
- 49%
- Humidity
- 86%
- Dew point
- 53°F
- Wind
- 5.6 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 | 69°F | 50°F | 93°F 1952 | 34°F 1973 | 0% | |
| Sep 2 | 69°F | 49°F | 90°F 1972 | 34°F 1956 | 0% | |
| Sep 3 | 69°F | 49°F | 87°F 1953 | 33°F 1956 | 0% | |
| Sep 4 | 69°F | 49°F | 95°F 1973 | 36°F 1956 | 0% | |
| Sep 5 | 69°F | 49°F | 93°F 1973 | 37°F 2018 | 0% | |
| Sep 6 | 69°F | 49°F | 92°F 2014 | 34°F 1960 | 0% | |
| Sep 7 | 69°F | 49°F | 87°F 1948 | 33°F 1960 | 0% | |
| Sep 8 | 69°F | 49°F | 92°F 1948 | 36°F 1976 | 0% | |
| Sep 9 | 69°F | 49°F | 91°F 1948 | 34°F 1970 | 0% | |
| Sep 10 | 69°F | 49°F | 92°F 1973 | 32°F 1988 | 0% | |
| Sep 11 | 68°F | 48°F | 82°F 1989 | 32°F 1988 | 0% | |
| Sep 12 | 68°F | 48°F | 87°F 1961 | 32°F 1988 | 0% | |
| Sep 13 | 68°F | 48°F | 93°F 1957 | 29°F 1970 | 0% | |
| Sep 14 | 68°F | 48°F | 97°F 1979 | 31°F 1970 | 0% | |
| Sep 15 | 68°F | 48°F | 87°F 1967 | 33°F 1969 | 0% | |
| Sep 16 | 68°F | 48°F | 83°F 1991 | 31°F 1962 | 0% | |
| Sep 17 | 68°F | 48°F | 90°F 1962 | 32°F 1965 | 0% | |
| Sep 18 | 67°F | 47°F | 83°F 1991 | 34°F 1965 | 0% | |
| Sep 19 | 67°F | 47°F | 92°F 1974 | 31°F 1983 | 0% | |
| Sep 20 | 67°F | 47°F | 85°F 1951 | 34°F 1949 | 0% | |
| Sep 21 | 67°F | 47°F | 92°F 1950 | 32°F 2002 | 0% | |
| Sep 22 | 67°F | 47°F | 93°F 1957 | 32°F 1993 | 0% | |
| Sep 23 | 66°F | 47°F | 85°F 1965 | 32°F 1961 | 0% | |
| Sep 24 | 66°F | 46°F | 94°F 1974 | 32°F 2000 | 0% | |
| Sep 25 | 66°F | 46°F | 89°F 1991 | 31°F 2005 | 0% | |
| Sep 26 | 66°F | 46°F | 93°F 1949 | 30°F 1961 | 0% | |
| Sep 27 | 66°F | 46°F | 90°F 1967 | 27°F 1972 | 0% | |
| Sep 28 | 65°F | 46°F | 90°F 2017 | 29°F 1983 | 0% | |
| Sep 29 | 65°F | 45°F | 86°F 1960 | 28°F 1983 | 0% | |
| Sep 30 | 65°F | 45°F | 86°F 1975 | 31°F 1971 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:37 AM, sunset 7:52 PM
- September 30
- sunrise 7:12 AM, sunset 6:57 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00358498 (Tillamook 6SE), public domain. Records: NOAA GHCN-Daily, station USC00358494, 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.