September weather in Meriden, CT
The average temperature in Meriden in September is 64.5°F (53.6°F–75.4°F). Average precipitation: 4.28 inches.
September is a fall month in Meriden, and is warmer than the annual average of 50.7°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
75.4°F
Avg Low
53.6°F
Precipitation
4.28 in
Daylight
12h 16m
September records in Meriden
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2010) | 45.0°F (2009) | 4.50 in (2021) |
| September 2 | 91.9°F (2015) | 39.9°F (2017) | 1.69 in (2003) |
| September 3 | 91.9°F (2015) | 46.0°F (2024) | 0.48 in (2006) |
| September 4 | 91.9°F (2018) | 48.0°F (2024) | 0.87 in (2019) |
| September 5 | 91.9°F (2023) | 46.0°F (2000) | 1.25 in (2022) |
| September 6 | 93.9°F (2018) | 44.1°F (2000) | 4.05 in (2022) |
| September 7 | 93.9°F (2023) | 42.1°F (2000) | 0.59 in (2025) |
| September 8 | 97.0°F (2015) | 45.0°F (2025) | 1.60 in (2011) |
| September 9 | 91.9°F (2016) | 42.1°F (2013) | 1.08 in (2023) |
| September 10 | 90.0°F (2016) | 45.0°F (2003) | 2.05 in (1999) |
| September 11 | 93.0°F (2013) | 42.1°F (2012) | 1.17 in (2009) |
| September 12 | 93.0°F (2005) | 41.0°F (2006) | 0.66 in (2013) |
| September 13 | 91.9°F (2005) | 44.1°F (2002) | 0.91 in (2023) |
| September 14 | 91.0°F (2016) | 46.0°F (2014) | 0.98 in (2001) |
| September 15 | 84.0°F (2015) | 42.1°F (2001) | 1.38 in (2006) |
| September 16 | 87.1°F (2015) | 39.0°F (2001) | 4.53 in (1999) |
| September 17 | 89.1°F (2015) | 39.9°F (2000) | 0.37 in (2005) |
| September 18 | 86.0°F (2015) | 37.9°F (2013) | 3.84 in (2004) |
| September 19 | 88.0°F (2024) | 37.9°F (2019) | 1.40 in (2000) |
| September 20 | 84.9°F (2016) | 37.0°F (2020) | 0.18 in (2022) |
| September 21 | 84.9°F (2016) | 35.1°F (2020) | 0.68 in (1999) |
| September 22 | 86.0°F (2016) | 33.1°F (2020) | 1.12 in (2013) |
| September 23 | 87.1°F (2017) | 39.0°F (2014) | 1.39 in (2003) |
| September 24 | 91.9°F (2017) | 37.9°F (2022) | 1.74 in (2021) |
| September 25 | 89.1°F (2017) | 39.0°F (2012) | 4.48 in (2018) |
| September 26 | 88.0°F (2007) | 39.0°F (2016) | 2.08 in (2008) |
| September 27 | 89.1°F (2017) | 35.1°F (2000) | 1.25 in (2009) |
| September 28 | 84.0°F (2014) | 36.0°F (2000) | 3.20 in (2003) |
| September 29 | 82.9°F (2015) | 33.1°F (2000) | 1.45 in (2023) |
| September 30 | 81.0°F (2025) | 34.0°F (2000) | 1.47 in (2015) |