Weather on September 4
Nampa, ID
55 Years of Data
Avg High
86°F
Avg Low
50°F
Warmest
1998
78°F avg
Coldest
1980
51°F avg
About This Date
September 4th in Nampa, ID typically brings warm fall weather, with average highs around 86°F and lows near 50°F — a 36°F daily swing. Over 44 years of records, the warmest September 4th was in 1998 (78°F average), while the coldest was 1980 (51°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 9% of September 4th dates historically.
Planning for September 4th in Nampa, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2014 | 75° | 44° | 60° | — | — |
| 2013 | 87° | 62° | 75° | 0.08" | — |
| 2012 | 89° | 45° | 67° | — | — |
| 2011 | 83° | 45° | 64° | — | — |
| 2010 | 91° | 54° | 72° | — | — |
| 2009 | 85° | 56° | 70° | — | — |
| 2008 | 81° | 43° | 62° | — | — |
| 2007 | 99° | 55° | 77° | — | — |
| 2006 | 92° | 51° | 71° | — | — |
| 2005 | 87° | 60° | 74° | — | — |
| 2004 | 73° | 49° | 61° | — | — |
| 2003 | 96° | 59° | 78° | — | — |
| 2002 | 94° | 51° | 72° | — | — |
| 2001 | 93° | 53° | 73° | — | — |
| 2000 | 69° | 44° | 57° | — | — |
| 1999 | 76° | 45° | 60° | — | — |
| 1998warmest | 101° | 55° | 78° | — | — |
| 1997 | 84° | 53° | 69° | — | — |
| 1996 | 89° | 46° | 68° | — | — |
| 1995 | 92° | 63° | 77° | 0.36" | — |
| 1994 | 88° | 51° | 69° | — | — |
| 1993 | 91° | 57° | 74° | — | — |
| 1992 | 75° | 54° | 64° | 0.03" | — |
| 1991 | 85° | 47° | 66° | — | — |
| 1990 | 89° | 49° | 69° | — | — |
| 1989 | 78° | 34° | 56° | — | — |
| 1988 | 86° | 53° | 70° | — | — |
| 1987 | 76° | 50° | 63° | — | — |
| 1986 | 86° | 49° | 67° | — | — |
| 1985 | 83° | 45° | 64° | — | — |
| 1984 | 88° | 49° | 68° | — | — |
| 1983 | 80° | 46° | 63° | — | — |
| 1982 | 84° | 46° | 65° | — | — |
| 1981 | 84° | 56° | 70° | — | — |
| 1980coldest | 67° | 35° | 51° | — | — |
| 1979 | 85° | 49° | 67° | — | — |
| 1978 | 95° | 54° | 74° | 0.05" | — |
| 1977 | 93° | 56° | 74° | — | — |
| 1976 | 93° | 49° | 71° | — | — |
| 1975 | 84° | 48° | 66° | — | — |
| 1974 | 94° | 50° | 72° | — | — |
| 1973 | 90° | 48° | 69° | — | — |
| 1972 | 91° | 48° | 70° | — | — |
| 1971 | 81° | 40° | 60° | — | — |
44 years of data from NAMPA SUGAR FACTORY