Hanna Weather in September
Average highs run from 76°F on September 1 to 65°F on September 30, and lows from 44°F to 36°F. Normal precipitation for the month is 1.10 in over about 4 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
- 71°F
- Average low
- 40°F
- Precipitation
- 1.10 in
- Snowfall
- 0.4 in
- Record high
- 89°FSep 4, 1998
- Record low
- 11°FSep 30, 1959
- Chance of a freeze
- 88%
- Daylight
- 13 h 07 min to 11 h 47 min
- Cloud cover
- 44%
- Humidity
- 49%
- Dew point
- 33°F
- Wind
- 10.3 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 | 76°F | 44°F | 86°F 1960 | 32°F 1956 | 14% | 0% |
| Sep 2 | 76°F | 44°F | 85°F 1950 | 22°F 1959 | 14% | 0% |
| Sep 3 | 76°F | 44°F | 85°F 2002 | 24°F 1959 | 14% | 0% |
| Sep 4 | 75°F | 43°F | 89°F 1998 | 23°F 1964 | 14% | 0% |
| Sep 5 | 75°F | 43°F | 89°F 1998 | 21°F 1956 | 14% | 0% |
| Sep 6 | 75°F | 43°F | 88°F 1978 | 20°F 1956 | 14% | 1% |
| Sep 7 | 75°F | 43°F | 89°F 1959 | 30°F 1953 | 14% | 1% |
| Sep 8 | 74°F | 42°F | 86°F 2005 | 29°F 1956 | 14% | 1% |
| Sep 9 | 74°F | 42°F | 85°F 1979 | 15°F 1962 | 14% | 1% |
| Sep 10 | 74°F | 42°F | 86°F 1959 | 23°F 2016 | 14% | 1% |
| Sep 11 | 73°F | 42°F | 88°F 1996 | 21°F 1957 | 14% | 1% |
| Sep 12 | 73°F | 41°F | 84°F 1956 | 24°F 1974 | 14% | 1% |
| Sep 13 | 73°F | 41°F | 84°F 1958 | 17°F 1974 | 15% | 1% |
| Sep 14 | 72°F | 41°F | 83°F 1990 | 18°F 1957 | 15% | 1% |
| Sep 15 | 72°F | 40°F | 82°F 2000 | 19°F 1957 | 15% | 1% |
| Sep 16 | 71°F | 40°F | 88°F 2000 | 18°F 1965 | 15% | 1% |
| Sep 17 | 71°F | 40°F | 87°F 2000 | 16°F 1965 | 15% | 2% |
| Sep 18 | 71°F | 40°F | 87°F 2000 | 16°F 1971 | 15% | 2% |
| Sep 19 | 70°F | 39°F | 85°F 2000 | 21°F 1965 | 15% | 2% |
| Sep 20 | 70°F | 39°F | 85°F 1956 | 12°F 1983 | 15% | 2% |
| Sep 21 | 69°F | 39°F | 79°F 1966 | 16°F 1983 | 15% | 2% |
| Sep 22 | 69°F | 38°F | 83°F 2010 | 18°F 1957 | 15% | 2% |
| Sep 23 | 69°F | 38°F | 82°F 1966 | 22°F 1964 | 15% | 2% |
| Sep 24 | 68°F | 38°F | 78°F 1949 | 17°F 1965 | 15% | 2% |
| Sep 25 | 68°F | 38°F | 79°F 1954 | 16°F 2000 | 15% | 2% |
| Sep 26 | 67°F | 37°F | 80°F 1963 | 18°F 2000 | 15% | 3% |
| Sep 27 | 67°F | 37°F | 81°F 2010 | 12°F 1964 | 15% | 3% |
| Sep 28 | 66°F | 37°F | 81°F 2010 | 12°F 1984 | 15% | 3% |
| Sep 29 | 66°F | 36°F | 81°F 1957 | 13°F 1984 | 15% | 3% |
| Sep 30 | 65°F | 36°F | 81°F 2001 | 11°F 1959 | 15% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- September 1
- sunrise 6:32 AM, sunset 7:39 PM
- September 30
- sunrise 7:02 AM, sunset 6:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00482995 (Elk Mtn), public domain. Records: NOAA GHCN-Daily, station USC00482995, 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.