Norwich September Weather

Averages and records for weather in Norwich, Connecticut in the month of September.
Typical Norwich September Weather
1991–2020
Average daily high 76.0 °F
Average daily low 53.9 °F
Average monthly precipitation 4.6 inches
Average monthly snow none
Daily chance of precipitation 28.6%
Daily chance of snow 0%
Norwich September Weather Records
1948–2024
Highest temperature 101 °F September 3, 1953
Lowest temperature 29 °F September 29, 1957
Highest daily low 76 °F September 3, 1973
Lowest daily high 52 °F September 15, 1970
Hottest average high temperature 82.3 °F 1961
Coldest average high temperature 71.3 °F 1950
Most daily precipitation 6.3 inches September 2, 2021
Most monthly precipitation 12.1 inches 2018
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
September 1 80.3 58.3 98 43
September 2 80.0 58.0 94 40
September 3 79.8 57.8 101 42
September 4 79.5 57.5 94 44
September 5 79.3 57.1 91 42
September 6 79.0 56.8 95 41
September 7 78.7 56.4 92 39
September 8 78.5 56.2 95 40
September 9 78.2 55.9 93 37
September 10 77.9 55.7 94 39
September 11 77.5 55.3 97 38
September 12 77.1 54.9 94 40
September 13 76.8 54.7 93 37
September 14 76.6 54.4 91 39
September 15 76.2 54.1 88 35
September 16 75.8 53.8 90 35
September 17 75.4 53.4 88 32
September 18 75.1 53.0 88 31
September 19 74.7 52.6 89 34
September 20 74.3 52.3 90 30
September 21 74.0 52.0 87 33
September 22 73.6 51.6 90 33
September 23 73.3 51.2 87 34
September 24 72.9 50.7 91 29
September 25 72.6 50.4 89 30
September 26 72.3 50.1 88 30
September 27 71.9 49.8 87 31
September 28 71.5 49.5 87 31
September 29 71.1 49.0 84 29
September 30 70.7 48.5 84 30
Weather Station Details
Years Station Coordinates
1956–2024 Norwich Public Utility Plant location
1952–1956 Norwich 5 SW location
1948–1952 Norwich location