Miramichi September Weather

Averages and records for weather in Miramichi, New Brunswick in the month of September.
Typical Miramichi September Weather
1991–2020
Average daily high 20.2 °C
Average daily low 8.3 °C
Average monthly precipitation 9.2 cm
Daily chance of precipitation 35.5%
Miramichi September Weather Records
1943–2024
Highest temperature 35.9 °C September 1, 2010
Lowest temperature -5.0 °C September 22, 1950
Highest daily low 21.0 °C September 9, 2001
Lowest daily high 6.7 °C September 25, 1956
Hottest average high temperature 23.1 °C 2003
Coldest average high temperature 16.4 °C 1962
Most daily precipitation 13.4 cm September 30, 2015
Most monthly precipitation 20.6 cm 1999
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
September 1 22.7 10.8 35.9 2.3
September 2 22.5 10.7 32.0 1.1
September 3 22.4 10.5 30.7 0.0
September 4 22.2 10.3 28.9 0.1
September 5 22.0 10.1 31.7 1.3
September 6 21.8 9.9 32.5 1.6
September 7 21.7 9.7 32.5 2.8
September 8 21.6 9.6 31.4 2.2
September 9 21.4 9.5 33.1 1.7
September 10 21.1 9.2 31.7 1.1
September 11 20.9 9.0 32.2 -0.6
September 12 20.7 8.8 31.1 0.0
September 13 20.6 8.6 30.6 -1.1
September 14 20.5 8.5 30.7 -1.2
September 15 20.3 8.4 31.3 -1.7
September 16 20.2 8.2 28.3 -0.6
September 17 20.0 8.0 31.4 -0.6
September 18 19.8 7.8 29.5 -1.7
September 19 19.5 7.6 30.0 -0.6
September 20 19.3 7.4 32.4 -1.7
September 21 19.0 7.2 31.1 -2.0
September 22 18.7 6.9 28.3 -5.0
September 23 18.5 6.7 30.0 -1.1
September 24 18.3 6.5 27.8 -2.4
September 25 18.1 6.3 27.7 -3.3
September 26 17.9 6.1 31.2 -1.6
September 27 17.7 6.0 25.7 -2.8
September 28 17.4 5.8 29.2 -2.6
September 29 17.1 5.5 27.5 -4.4
September 30 16.9 5.3 25.0 -3.4
Weather Station Details
Years Station Coordinates
2005–2024 Miramichi RCS location
1943–2005 Miramichi A location