Jersey September Weather

Averages and records for weather in Jersey, United Kingdom in the month of September.
Typical Jersey September Weather
1991–2020
Average daily high 18.9 °C
Average daily low 13.1 °C
Average monthly precipitation 6.1 cm
Daily chance of precipitation 43.9%
Jersey September Weather Records
1959–2024
Highest temperature 30.9 °C September 6, 2021
Lowest temperature 5.6 °C September 28, 1974
Highest daily low 19.6 °C September 10, 2023
Lowest daily high 10.8 °C September 30, 1974
Hottest average high temperature 22.2 °C 2023
Coldest average high temperature 15.8 °C 1974
Most daily precipitation 4.7 cm September 1, 1963
Most monthly precipitation 16.6 cm 1993
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 19.9 13.9 27.6 8.6
September 2 19.9 13.9 27.2 10.2
September 3 19.8 13.8 28.1 10.0
September 4 19.7 13.7 27.5 9.4
September 5 19.6 13.7 29.4 8.9
September 6 19.6 13.6 30.9 8.7
September 7 19.5 13.5 26.8 7.9
September 8 19.4 13.5 30.7 8.9
September 9 19.4 13.4 26.6 10.0
September 10 19.3 13.3 26.4 9.5
September 11 19.2 13.2 27.0 7.5
September 12 19.2 13.2 25.4 9.2
September 13 19.1 13.1 30.8 9.1
September 14 19.0 13.1 27.1 8.3
September 15 19.0 13.1 27.7 7.8
September 16 18.9 13.0 28.2 8.3
September 17 18.8 13.0 26.8 8.7
September 18 18.7 13.0 26.1 7.7
September 19 18.6 12.9 26.4 8.1
September 20 18.4 12.8 25.8 9.0
September 21 18.3 12.7 25.5 6.0
September 22 18.2 12.7 23.7 6.4
September 23 18.1 12.6 24.6 7.5
September 24 18.0 12.5 21.1 7.2
September 25 17.9 12.4 22.8 6.5
September 26 17.8 12.3 24.6 7.4
September 27 17.7 12.3 25.7 7.4
September 28 17.6 12.2 25.8 5.6
September 29 17.5 12.2 25.5 7.0
September 30 17.4 12.1 25.9 6.8
Weather Station Details
Years Station Coordinates
1959–2024 Jersey: Airport location