Surprise Weather in September
Average highs run from 102°F on September 1 to 93°F on September 30, and lows from 77°F to 67°F. Normal precipitation for the month is 0.74 in over about 2 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
- 98°F
- Average low
- 73°F
- Precipitation
- 0.74 in
- Record high
- 116°FSep 1, 1995
- Record low
- 44°FSep 27, 1920
- Chance of a freeze
- 0%
- Days of 90°F or more
- 29.0
- Daylight
- 12 h 52 min to 11 h 52 min
- Cloud cover
- 28%
- Humidity
- 30%
- Dew point
- 48°F
- Wind
- 6.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 102°F | 77°F | 116°F 1995 | 59°F 1962 | 11% |
| Sep 2 | 102°F | 77°F | 114°F 1948 | 58°F 1953 | 10% |
| Sep 3 | 102°F | 77°F | 114°F 1945 | 60°F 1946 | 10% |
| Sep 4 | 102°F | 76°F | 115°F 1945 | 57°F 1921 | 10% |
| Sep 5 | 102°F | 76°F | 115°F 1945 | 59°F 1985 | 10% |
| Sep 6 | 101°F | 76°F | 113°F 2020 | 60°F 1985 | 10% |
| Sep 7 | 101°F | 76°F | 112°F 1977 | 62°F 1929 | 10% |
| Sep 8 | 101°F | 75°F | 112°F 1969 | 57°F 1920 | 10% |
| Sep 9 | 101°F | 75°F | 112°F 1969 | 54°F 1920 | 9% |
| Sep 10 | 100°F | 75°F | 111°F 1968 | 55°F 1920 | 9% |
| Sep 11 | 100°F | 75°F | 112°F 1971 | 52°F 1920 | 9% |
| Sep 12 | 100°F | 74°F | 112°F 1971 | 50°F 1985 | 9% |
| Sep 13 | 100°F | 74°F | 113°F 1971 | 51°F 1952 | 9% |
| Sep 14 | 99°F | 73°F | 111°F 1946 | 51°F 1952 | 8% |
| Sep 15 | 99°F | 73°F | 109°F 1932 | 54°F 1928 | 8% |
| Sep 16 | 99°F | 73°F | 111°F 1935 | 52°F 1928 | 8% |
| Sep 17 | 98°F | 72°F | 112°F 1962 | 55°F 1970 | 8% |
| Sep 18 | 98°F | 72°F | 109°F 1962 | 54°F 1921 | 8% |
| Sep 19 | 98°F | 72°F | 110°F 1962 | 50°F 1978 | 8% |
| Sep 20 | 97°F | 71°F | 109°F 1962 | 46°F 1978 | 7% |
| Sep 21 | 97°F | 71°F | 108°F 1954 | 49°F 1965 | 7% |
| Sep 22 | 97°F | 70°F | 109°F 1982 | 49°F 1941 | 7% |
| Sep 23 | 96°F | 70°F | 109°F 1947 | 48°F 1960 | 7% |
| Sep 24 | 96°F | 69°F | 109°F 1947 | 47°F 1941 | 7% |
| Sep 25 | 95°F | 69°F | 109°F 1947 | 48°F 1920 | 7% |
| Sep 26 | 95°F | 69°F | 108°F 1991 | 46°F 1920 | 7% |
| Sep 27 | 95°F | 68°F | 108°F 1938 | 44°F 1920 | 7% |
| Sep 28 | 94°F | 68°F | 109°F 1969 | 48°F 1920 | 7% |
| Sep 29 | 94°F | 67°F | 109°F 1969 | 50°F 1923 | 6% |
| Sep 30 | 93°F | 67°F | 108°F 1980 | 47°F 1934 | 6% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- September 1
- sunrise 6:03 AM, sunset 6:55 PM
- September 30
- sunrise 6:23 AM, sunset 6:15 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00029634 (Youngtown), public domain. Records: NOAA GHCN-Daily, station USC00024977, 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.