Weather on September 21
Jersey City, NJ
55 Years of Data
About This Date
September 21st in Jersey City, NJ typically brings pleasant fall weather, with average highs around 74°F and lows near 59°F. Over 55 years of records, the warmest September 21st was in 1998 (77°F average), while the coldest was 1977 (55°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 21st dates historically, with the wettest September 21st recording 3.56" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 21st in Jersey City, NJ? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 58° | 64° | — | — |
| 2024 | 79° | 63° | 71° | — | — |
| 2023 | 76° | 59° | 67° | — | — |
| 2022 | 79° | 64° | 71° | — | — |
| 2021 | 76° | 63° | 69° | 0.23" | — |
| 2020 | 65° | 49° | 57° | — | — |
| 2019 | 84° | 61° | 72° | — | — |
| 2018 | 72° | 67° | 69° | — | — |
| 2017 | 80° | 71° | 76° | — | — |
| 2016 | 84° | 68° | 76° | — | — |
| 2015 | 73° | 59° | 66° | — | — |
| 2014 | 75° | 67° | 71° | 0.38" | — |
| 2013 | 77° | 61° | 69° | 1.83" | — |
| 2012 | 75° | 60° | 68° | — | — |
| 2011 | 73° | 63° | 68° | 0.15" | — |
| 2010 | 74° | 54° | 64° | — | — |
| 2009 | 75° | 57° | 66° | — | — |
| 2008 | 80° | 56° | 68° | — | — |
| 2007 | 82° | 63° | 72° | — | — |
| 2006 | 68° | 52° | 60° | — | — |
| 2005 | 83° | 65° | 74° | — | — |
| 2004 | 80° | 58° | 69° | — | — |
| 2003 | 75° | 61° | 68° | — | — |
| 2002 | 82° | 69° | 76° | — | — |
| 2001 | 75° | 64° | 70° | 0.91" | — |
| 2000 | 74° | 61° | 67° | — | — |
| 1999 | 67° | 55° | 61° | 1.57" | — |
| 1998warmest | 84° | 69° | 77° | 0.38" | — |
| 1997 | 64° | 53° | 59° | — | — |
| 1996 | 76° | 55° | 65° | — | — |
| 1995 | 74° | 54° | 64° | — | — |
| 1994 | 74° | 41° | 57° | — | — |
| 1993 | 62° | 52° | 57° | 0.61" | — |
| 1992 | 73° | 61° | 67° | 0.05" | — |
| 1991 | 65° | 46° | 55° | — | — |
| 1990 | 71° | 50° | 61° | — | — |
| 1989 | 76° | 69° | 72° | — | — |
| 1988 | 77° | 62° | 70° | — | — |
| 1987 | 66° | 54° | 60° | — | — |
| 1986 | 72° | 60° | 66° | — | — |
| 1985 | 80° | 62° | 71° | — | — |
| 1984 | 75° | 60° | 68° | — | — |
| 1983 | 78° | 60° | 69° | 2.79" | — |
| 1982 | 66° | 52° | 59° | — | — |
| 1981 | 72° | 58° | 65° | — | — |
| 1980 | 74° | 59° | 66° | — | — |
| 1979 | 67° | 57° | 62° | 3.56" | — |
| 1978 | 80° | 57° | 69° | — | — |
| 1977coldest | 61° | 50° | 55° | — | — |
| 1976 | 67° | 58° | 62° | — | — |
| 1975 | 72° | 62° | 67° | — | — |
| 1974 | 76° | 58° | 67° | 1.4" | — |
| 1973 | 65° | 50° | 57° | — | — |
| 1972 | 60° | 55° | 58° | 1.02" | — |
| 1971 | 72° | 62° | 67° | — | — |
Jersey City, NJ Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Jersey City, NJ Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Jersey City, NJ Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Jersey City, NJ
Jersey City, NJ has no months that meet our "pleasant" threshold — every season has tradeoffs.