Weather history and climate summary information is available for the following locations:
- Cedar City
- Ogden
- Salt Lake City
- Wendover
Warmest September Days
The warmest September days in Utah are:
| Salt Lake City, Utah | 1979 | 99.9°F |
| Salt Lake City, Utah | 1990 | 99°F |
| Salt Lake City, Utah | 1995 | 98.1°F |
| Salt Lake City, Utah | 1977 | 97°F |
| Salt Lake City, Utah | 2000 | 97°F |
Coldest September Days
The coldest September days in Utah were:
| Wendover, Utah | 1978 | 9°F |
| Wendover, Utah | 1977 | 19.2°F |
| Cedar City, Utah | 2006 | 25°F |
| Cedar City, Utah | 2007 | 25°F |
| Cedar City, Utah | 1985 | 25°F |
Wettest September Days
The wettest single days in September occurred:
| Ogden, Utah | 2006 | 2.5 inches |
| Wendover, Utah | 1979 | 1.9 inches |
| Ogden, Utah | 1973 | 1.6 inches |
| Salt Lake City, Utah | 1978 | 1.6 inches |
| Ogden, Utah | 1982 | 1.5 inches |