Connecticut September Weather
Connecticut weather averages and all-time records in the month of September from 1991–2020 based on data made available by the NOAA.
State:
Month:
| Statewide September Averages |
| High temperature |
73.9 °F |
| Low temperature |
52.9 °F |
| Precipitation |
4.4 inches |
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Connecticut Cities
September weather averages for various places in Connecticut, from 1991–2020.