Climate Summary for September

Station: Trenton-Mercer Airport (288887) State: New Jersey Period of Record: 9/1945-9/2023 (# of years included = 27) Normals Period: 1991-2020 Temperature Precipitation EXTREMES EXTREMES Greatest Daily Greatest | Cumulative Chance Chance Day Normal Normal | Highest Yr Lowest Yr Highest Yr Lowest Yr || amount snowfall | normal >=.01" >=.1" Max (F) Min (F) | Max (F) Max (F) Min (F) Min (F) || Inches Yr Inches Yr | precip(in) precip snow 1 82 62 | 97 2010 65 2002 73 2000 52 2017 || 5.60 2021 0.0 2023* | 0.13 0.30 0.00 2 81 62 | 97 2010 65 2003 72 2014* 50 2001 || 2.05 2006 0.0 2023* | 0.27 0.37 0.00 3 81 62 | 94 2015 70 2003 76 2018 54 2021 || 1.21 2020 0.0 2023* | 0.40 0.19 0.00 4 81 61 | 94 2018* 76 2003 73 2018 55 2017 || 0.69 2012 0.0 2023* | 0.54 0.15 0.00 5 81 61 | 93 2018 66 2000 73 2023 51 2000 || 0.59 2006 0.0 2023* | 0.68 0.30 0.00 6 80 61 | 95 2018 67 2019* 74 2018 49 2000 || 2.88 2011 0.0 2023* | 0.80 0.22 0.00 7 80 60 | 93 2023* 70 2000 72 1999 45 2000 || 0.71 1998 0.0 2023* | 0.93 0.19 0.00 8 80 60 | 95 2016 70 2018 71 2004 49 2000 || 1.45 2011 0.0 2023* | 1.06 0.26 0.00 9 80 60 | 95 2016 61 2018 77 2016 51 2017* || 1.06 1999 0.0 2023* | 1.19 0.33 0.00 10 79 60 | 97 2016 68 2018 73 2016* 51 2017 || 2.26 2023 0.0 2023* | 1.32 0.33 0.00 11 79 59 | 93 2013 66 2009 72 2013 49 2012 || 1.90 1945 0.0 2023* | 1.45 0.26 0.00 12 78 59 | 91 2005 67 2010 72 2018 49 2006 || 1.02 2008 0.0 2023* | 1.57 0.30 0.00 13 78 59 | 92 2005 69 2019* 70 2018 49 2002 || 1.15 2003 0.0 2023* | 1.70 0.37 0.00 14 78 58 | 93 2016 65 2013 71 2008* 48 2013* || 0.86 2001 0.0 2023* | 1.83 0.30 0.00 15 78 58 | 87 2021* 66 2020 72 2005 45 2013* || 1.76 2005 0.0 2023* | 1.97 0.41 0.00 16 77 58 | 89 1998 65 2000 72 2005 44 2001 || 7.25 1999 0.0 2023* | 2.12 0.33 0.00 17 77 58 | 86 2015 57 1945 70 2005 45 2013* || 0.63 1945 0.0 2023* | 2.26 0.22 0.00 18 76 57 | 86 2016 68 2023* 68 2018 41 2013 || 1.65 1945 0.0 2023* | 2.40 0.22 0.00 19 76 57 | 86 2005 63 2020 69 2017 42 2020 || 2.14 2000 0.0 2023* | 2.54 0.22 0.00 20 76 56 | 84 2005 63 2020 69 2017 42 2020 || 0.18 2001 0.0 2023* | 2.68 0.07 0.00 21 75 56 | 87 1998 65 2020* 66 2018* 41 2020 || 0.83 2013 0.0 2023* | 2.82 0.19 0.00 22 75 56 | 90 2010 62 1999 70 2021 40 2020 || 0.49 2010 0.0 2023* | 2.95 0.30 0.00 23 74 55 | 89 2019 61 2023* 71 2011 43 2014 || 1.60 2021 0.0 2023* | 3.08 0.37 0.00 24 74 55 | 92 2017 65 2023 67 2011* 40 1998 || 0.87 2023 0.0 2023* | 3.22 0.26 0.00 25 74 54 | 90 2017 60 2000 68 2010* 43 2012 || 1.96 2018 0.0 2023* | 3.35 0.30 0.00 26 73 54 | 91 2007 53 2000 69 2011 43 2001 || 0.84 2002 0.0 2023* | 3.49 0.37 0.00 27 73 54 | 92 1998 66 2001 69 2011 41 2000 || 1.04 2009 0.0 2023* | 3.63 0.37 0.00 28 72 53 | 84 2019* 62 2023 70 2011 45 2001 || 5.73 2004 0.0 2023* | 3.77 0.52 0.00 29 72 53 | 86 1945 60 2000 67 2015 39 2000 || 1.04 2020 0.0 2023* | 3.91 0.30 0.00 30 72 52 | 79 2015* 55 2001 68 2010 36 2000 || 1.57 2020 0.0 2023* | 4.05 0.37 0.00 * - Asterisk indicates that the record was also reached in previous years.