Radium Springs Weather in September
Average highs run from 91°F on September 1 to 84°F on September 30, and lows from 60°F to 49°F. Normal precipitation for the month is 1.44 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
- 88°F
- Average low
- 55°F
- Precipitation
- 1.44 in
- Record high
- 103°FSep 1, 2011
- Record low
- 37°FSep 30, 1984
- Chance of a freeze
- 0%
- Days of 90°F or more
- 13.1
- Daylight
- 12 h 49 min to 11 h 53 min
- Cloud cover
- 38%
- Humidity
- 44%
- Dew point
- 48°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 | 91°F | 60°F | 103°F 2011 | 56°F 1980 | 19% | 0% |
| Sep 2 | 91°F | 60°F | 99°F 2011 | 53°F 1980 | 19% | 0% |
| Sep 3 | 91°F | 60°F | 100°F 2014 | 53°F 1992 | 19% | 0% |
| Sep 4 | 91°F | 60°F | 100°F 2011 | 50°F 1961 | 19% | 0% |
| Sep 5 | 91°F | 59°F | 99°F 1983 | 48°F 1961 | 18% | 0% |
| Sep 6 | 90°F | 59°F | 99°F 1979 | 51°F 1984 | 18% | 0% |
| Sep 7 | 90°F | 59°F | 100°F 1995 | 52°F 1984 | 18% | 0% |
| Sep 8 | 90°F | 58°F | 103°F 2023 | 54°F 1966 | 18% | 0% |
| Sep 9 | 90°F | 58°F | 103°F 2023 | 53°F 2020 | 18% | 0% |
| Sep 10 | 89°F | 58°F | 102°F 2023 | 51°F 2020 | 17% | 0% |
| Sep 11 | 89°F | 57°F | 100°F 2023 | 52°F 2020 | 17% | 0% |
| Sep 12 | 89°F | 57°F | 101°F 2026 | 53°F 1959 | 17% | 0% |
| Sep 13 | 89°F | 57°F | 99°F 2026 | 48°F 1968 | 17% | 0% |
| Sep 14 | 88°F | 56°F | 99°F 2026 | 44°F 1959 | 16% | 0% |
| Sep 15 | 88°F | 56°F | 100°F 1998 | 45°F 1959 | 16% | 0% |
| Sep 16 | 88°F | 55°F | 96°F 1971 | 49°F 2012 | 16% | 0% |
| Sep 17 | 88°F | 55°F | 96°F 2021 | 47°F 1968 | 15% | 0% |
| Sep 18 | 87°F | 55°F | 97°F 1997 | 42°F 1968 | 15% | 0% |
| Sep 19 | 87°F | 54°F | 97°F 2021 | 46°F 1968 | 15% | 0% |
| Sep 20 | 87°F | 54°F | 96°F 2005 | 42°F 1971 | 14% | 0% |
| Sep 21 | 87°F | 53°F | 96°F 2005 | 40°F 1965 | 14% | 0% |
| Sep 22 | 86°F | 53°F | 94°F 1980 | 44°F 1965 | 14% | 0% |
| Sep 23 | 86°F | 52°F | 95°F 2005 | 42°F 1975 | 13% | 0% |
| Sep 24 | 86°F | 52°F | 94°F 1998 | 42°F 1975 | 13% | 0% |
| Sep 25 | 85°F | 51°F | 95°F 1998 | 43°F 1970 | 13% | 0% |
| Sep 26 | 85°F | 51°F | 96°F 2020 | 42°F 1975 | 12% | 0% |
| Sep 27 | 85°F | 51°F | 97°F 2005 | 42°F 1975 | 12% | 0% |
| Sep 28 | 85°F | 50°F | 98°F 2024 | 42°F 1973 | 12% | 0% |
| Sep 29 | 84°F | 50°F | 96°F 1998 | 42°F 1973 | 12% | 0% |
| Sep 30 | 84°F | 49°F | 95°F 1977 | 37°F 1984 | 12% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- September 1
- sunrise 6:43 AM, sunset 7:32 PM
- September 30
- sunrise 7:01 AM, sunset 6:54 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00294426 (Jornada Exp Range), public domain. Records: NOAA GHCN-Daily, station USC00298535, 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.