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Katoomba September Weather

Averages and records for weather in Katoomba, New South Wales in the month of September.

Typical Katoomba September Weather 1991–2020
Average daily high	15.6 °C
Average daily low	5.9 °C
Average monthly precipitation	6.3 cm
Daily chance of precipitation	34.5%

Katoomba September Weather Records 1750–2023
Highest temperature	28.6 °C	September 23, 2017
Lowest temperature	-2.8 °C	September 6, 1995
Highest daily low	19.5 °C	September 25, 1965
Lowest daily high	4.0 °C	September 1, 1987
Hottest average high temperature	19.0 °C	2013
Coldest average high temperature	11.1 °C	1976
Most daily precipitation	13.0 cm	September 24, 1892
Most monthly precipitation	38.9 cm	1932

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	13.7	4.5	20.0	-2.1
September 2	13.8	4.6	22.1	-1.1
September 3	13.9	4.7	22.0	0.1
September 4	14.1	4.8	22.0	-0.8
September 5	14.2	5.0	22.3	-1.6
September 6	14.3	5.0	23.6	-2.8
September 7	14.5	5.1	25.1	-2.1
September 8	14.7	5.2	21.2	-0.5
September 9	14.9	5.4	22.4	-0.2
September 10	15.1	5.5	22.6	-2.3
September 11	15.1	5.6	21.0	-0.6
September 12	15.2	5.7	23.7	-1.6
September 13	15.3	5.7	24.7	-1.1
September 14	15.4	5.8	22.0	-2.1
September 15	15.5	5.8	24.6	-0.1
September 16	15.6	5.9	25.0	0.0
September 17	15.8	5.9	25.5	-0.2
September 18	15.9	6.0	28.0	0.8
September 19	16.0	6.1	27.0	-1.0
September 20	16.2	6.2	26.5	-0.6
September 21	16.4	6.3	24.0	0.1
September 22	16.5	6.5	25.9	-0.8
September 23	16.6	6.6	28.6	0.1
September 24	16.7	6.6	24.4	0.8
September 25	16.8	6.7	24.7	0.7
September 26	16.9	6.8	26.6	-1.5
September 27	17.0	6.9	27.2	-1.7
September 28	17.1	6.9	25.0	-0.9
September 29	17.1	7.0	24.9	-0.6
September 30	17.2	7.0	27.0	-0.1

Weather Station Details

Years	Station	Coordinates
1750–2023	Katoomba (Murri St)	location