Manchester September Weather

Averages and records for weather in Manchester, New Hampshire in the month of September.
Typical Manchester September Weather
1991–2020
Average daily high 74.3 °F
Average daily low 53.1 °F
Average monthly precipitation 3.7 inches
Daily chance of precipitation 31.5%
Manchester September Weather Records
1885–2024
Highest temperature 96 °F September 2, 2010
Lowest temperature 26 °F September 24, 1998
Highest daily low 72 °F September 3, 2018
Lowest daily high 43 °F September 18, 1990
Hottest average high temperature 80.0 °F 1961
Coldest average high temperature 63.1 °F 1956
Most daily precipitation 6.9 inches September 17, 1932
Most monthly precipitation 9.6 inches 1888
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 79.0 57.2 94 35
September 2 78.7 56.9 96 37
September 3 78.5 56.6 94 40
September 4 78.2 56.4 93 38
September 5 78.0 56.1 93 35
September 6 77.7 55.7 93 35
September 7 77.5 55.5 96 32
September 8 77.2 55.3 94 37
September 9 76.9 55.1 95 36
September 10 76.6 54.8 95 37
September 11 76.2 54.4 95 36
September 12 75.8 54.0 93 36
September 13 75.5 53.7 91 37
September 14 75.1 53.5 88 35
September 15 74.7 53.2 88 32
September 16 74.2 52.7 89 31
September 17 73.8 52.3 88 32
September 18 73.3 51.9 88 33
September 19 72.9 51.4 90 31
September 20 72.5 51.0 92 29
September 21 72.1 50.6 92 31
September 22 71.6 50.1 90 31
September 23 71.2 49.6 93 31
September 24 70.8 49.1 90 26
September 25 70.5 48.7 89 28
September 26 70.1 48.3 91 29
September 27 69.8 48.0 89 30
September 28 69.3 47.6 86 27
September 29 68.8 47.2 84 28
September 30 68.4 46.7 81 30
Weather Station Details
Years Station Coordinates
1999–2024 Manchester Airport location
1972–1998 Massabesic Lake location
1885–1971 Manchester location