Langdon Weather in September
Average highs run from 73°F on September 1 to 61°F on September 30, and lows from 50°F to 38°F. Normal precipitation for the month is 2.11 in over about 8 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
- 67°F
- Average low
- 44°F
- Precipitation
- 2.11 in
- Record high
- 103°FSep 3, 1983
- Record low
- 15°FSep 26, 1928
- Chance of a freeze
- 70%
- Daylight
- 13 h 24 min to 11 h 42 min
- Cloud cover
- 59%
- Humidity
- 65%
- Dew point
- 43°F
- Wind
- 11.2 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 | 73°F | 50°F | 100°F 1929 | 28°F 1946 | 27% | 0% |
| Sep 2 | 73°F | 49°F | 95°F 1983 | 29°F 1917 | 27% | 0% |
| Sep 3 | 72°F | 49°F | 103°F 1983 | 28°F 1918 | 27% | 0% |
| Sep 4 | 72°F | 49°F | 97°F 1948 | 25°F 1930 | 27% | 0% |
| Sep 5 | 72°F | 48°F | 100°F 1978 | 28°F 1903 | 27% | 0% |
| Sep 6 | 71°F | 48°F | 98°F 1978 | 27°F 1956 | 27% | 0% |
| Sep 7 | 71°F | 48°F | 101°F 1931 | 30°F 1965 | 27% | 0% |
| Sep 8 | 71°F | 47°F | 97°F 1906 | 29°F 1898 | 27% | 0% |
| Sep 9 | 70°F | 47°F | 93°F 1897 | 24°F 1918 | 27% | 0% |
| Sep 10 | 70°F | 46°F | 93°F 1906 | 22°F 1918 | 27% | 0% |
| Sep 11 | 69°F | 46°F | 93°F 1952 | 22°F 1955 | 27% | 0% |
| Sep 12 | 69°F | 46°F | 91°F 1952 | 26°F 1898 | 27% | 0% |
| Sep 13 | 69°F | 45°F | 91°F 2017 | 22°F 1923 | 27% | 0% |
| Sep 14 | 68°F | 45°F | 89°F 1946 | 20°F 1956 | 27% | 0% |
| Sep 15 | 68°F | 44°F | 87°F 1908 | 23°F 1916 | 27% | 0% |
| Sep 16 | 67°F | 44°F | 90°F 1979 | 24°F 1903 | 27% | 0% |
| Sep 17 | 67°F | 44°F | 89°F 1976 | 24°F 1903 | 28% | 0% |
| Sep 18 | 67°F | 43°F | 93°F 1939 | 22°F 1929 | 28% | |
| Sep 19 | 66°F | 43°F | 90°F 1914 | 22°F 1929 | 28% | |
| Sep 20 | 66°F | 42°F | 88°F 1937 | 23°F 1904 | 28% | |
| Sep 21 | 65°F | 42°F | 95°F 1938 | 25°F 1913 | 28% | |
| Sep 22 | 65°F | 41°F | 96°F 1938 | 20°F 1947 | 28% | |
| Sep 23 | 64°F | 41°F | 90°F 1917 | 20°F 1989 | 27% | |
| Sep 24 | 64°F | 41°F | 85°F 2007 | 19°F 1947 | 27% | |
| Sep 25 | 63°F | 40°F | 92°F 1938 | 17°F 1939 | 27% | |
| Sep 26 | 63°F | 40°F | 90°F 1952 | 15°F 1928 | 27% | |
| Sep 27 | 62°F | 39°F | 94°F 1952 | 19°F 1907 | 27% | |
| Sep 28 | 62°F | 39°F | 90°F 1952 | 17°F 1930 | 27% | |
| Sep 29 | 61°F | 38°F | 90°F 2021 | 19°F 1945 | 26% | |
| Sep 30 | 61°F | 38°F | 88°F 1922 | 21°F 1930 | 26% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- September 1
- sunrise 6:51 AM, sunset 8:15 PM
- September 30
- sunrise 7:32 AM, sunset 7:14 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00324958 (Langdon Exp Farm), public domain. Records: NOAA GHCN-Daily, station USC00324958, 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.