September weather in Castleford, ID
The average temperature in Castleford in September is 60.2°F (44.2°F–76.3°F). Average precipitation: 0.50 inches.
September is a fall month in Castleford, and is warmer than the annual average of 48.1°F. Daily temperatures swing about 32.1°F between overnight low and afternoon high. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
76.3°F
Avg Low
44.2°F
Precipitation
0.50 in
Daylight
12h 16m
September records in Castleford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1998) | 37.9°F (2006) | 0.09 in (2000) |
| September 2 | 93.9°F (1969) | 34.0°F (2008) | 0.49 in (2000) |
| September 3 | 93.9°F (2007) | 30.0°F (1964) | 0.01 in (1995) |
| September 4 | 95.0°F (2017) | 36.0°F (1969) | 0.10 in (2007) |
| September 5 | 91.9°F (2017) | 36.0°F (1969) | 0.98 in (1978) |
| September 6 | 96.1°F (2020) | 33.1°F (1996) | 0.60 in (1978) |
| September 7 | 93.9°F (1966) | 30.0°F (1992) | 0.52 in (2019) |
| September 8 | 91.9°F (1966) | 32.0°F (1994) | 0.24 in (2019) |
| September 9 | 89.1°F (2012) | 30.0°F (1976) | 0.80 in (1985) |
| September 10 | 90.0°F (1968) | 30.9°F (1985) | 0.55 in (1980) |
| September 11 | 93.0°F (1990) | 30.9°F (1989) | 0.71 in (1976) |
| September 12 | 91.9°F (1990) | 32.0°F (1972) | 0.65 in (1985) |
| September 13 | 90.0°F (1981) | 30.9°F (1974) | 0.13 in (1963) |
| September 14 | 96.1°F (2000) | 30.9°F (1970) | 0.15 in (2016) |
| September 15 | 95.0°F (2000) | 33.1°F (1969) | 0.25 in (2015) |
| September 16 | 90.0°F (1989) | 28.0°F (1970) | 0.24 in (2015) |
| September 17 | 91.0°F (1981) | 28.0°F (1971) | 0.31 in (1977) |
| September 18 | 90.0°F (1981) | 25.0°F (1971) | 0.73 in (1978) |
| September 19 | 87.1°F (2009) | 27.0°F (1971) | 0.21 in (2017) |
| September 20 | 86.0°F (1979) | 30.0°F (1978) | 0.49 in (1988) |
| September 21 | 89.1°F (1966) | 24.1°F (1983) | 0.34 in (2017) |
| September 22 | 91.0°F (1966) | 27.0°F (1995) | 0.19 in (2016) |
| September 23 | 91.0°F (1966) | 27.0°F (1996) | 0.28 in (2016) |
| September 24 | 88.0°F (1997) | 27.0°F (2000) | 0.23 in (1973) |
| September 25 | 87.1°F (1989) | 21.9°F (1984) | 0.40 in (1979) |
| September 26 | 88.0°F (2015) | 26.1°F (1985) | 0.64 in (1998) |
| September 27 | 89.1°F (1969) | 26.1°F (1964) | 0.26 in (1972) |
| September 28 | 86.0°F (1963) | 23.0°F (1985) | 0.14 in (1991) |
| September 29 | 89.1°F (1963) | 15.1°F (1985) | 0.19 in (1994) |
| September 30 | 95.0°F (2003) | 21.0°F (1985) | 0.30 in (1971) |