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Ipswich September Weather

Averages and records for weather in Ipswich, United Kingdom in the month of September.

Typical Ipswich September Weather 1991–2020
Average daily high	18.9 °C
Average daily low	10.4 °C
Average monthly precipitation	5.0 cm
Daily chance of precipitation	49.7%

Ipswich September Weather Records 1959–2024
Highest temperature	30.4 °C	September 9, 2023
Lowest temperature	1.5 °C	September 30, 1969
Highest daily low	18.7 °C	September 9, 2023
Lowest daily high	10.3 °C	September 26, 1993
Hottest average high temperature	22.4 °C	2023
Coldest average high temperature	15.7 °C	1972
Most daily precipitation	5.5 cm	September 15, 1968
Most monthly precipitation	11.9 cm	1968

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
September 1	20.4	11.4	27.0	6.1
September 2	20.2	11.3	25.3	4.8
September 3	20.1	11.2	25.6	5.6
September 4	20.0	11.1	28.5	2.6
September 5	19.9	11.0	30.0	4.2
September 6	19.8	11.0	28.5	5.1
September 7	19.7	10.9	28.9	2.6
September 8	19.6	10.8	30.4	4.3
September 9	19.4	10.8	30.4	3.9
September 10	19.3	10.7	27.6	4.5
September 11	19.2	10.6	26.1	4.4
September 12	19.2	10.5	29.6	4.2
September 13	19.1	10.4	28.6	3.7
September 14	19.0	10.4	29.7	2.1
September 15	18.9	10.4	26.7	4.2
September 16	18.8	10.3	26.2	4.0
September 17	18.7	10.3	26.0	3.9
September 18	18.5	10.2	24.7	2.6
September 19	18.4	10.1	25.0	4.0
September 20	18.2	10.0	24.0	3.2
September 21	18.1	9.9	25.6	3.3
September 22	17.9	9.8	22.9	3.5
September 23	17.7	9.7	23.6	2.9
September 24	17.6	9.6	23.1	1.6
September 25	17.5	9.5	23.7	2.8
September 26	17.3	9.5	22.9	4.1
September 27	17.2	9.4	23.5	2.9
September 28	17.1	9.4	26.1	2.9
September 29	16.9	9.3	26.8	2.5
September 30	16.8	9.2	27.1	1.5

Weather Station Details

Years	Station	Coordinates
1959–2024	Wattisham	location