Travel Weather Fairy🎊 Featured event
Vivid Sydney 2026
📅 May 22–Jun 13, 2026
Sydney’s major winter festival combines light, music, ideas and food. Harbour and central-city areas can be extremely busy in the evening.
Check official source →🇦🇺 Australia · New South Wales
Sydney Weather in September
SpringFor Sydney, September typically brings mild daytime weather and cool nights: the 10-year average high is about 21°C (70°F), while the average low is 11°C (51°F). The 10-year average shows around 7 rainy days and about 54 mm of monthly precipitation, so rain is relatively limited.
Avg high69.6°F 20.9°CAvg low51.2°F 10.6°CRainy days~7.3 daysMonthly rain53.9 mm
🧳 Packing guide
What to wear in Sydney in September
Packing for Sydney in September is easiest with layers: long sleeves or a T-shirt with a light jacket make a practical combination. Heavy rain gear is usually unnecessary, although a small umbrella is an easy backup.
Travel takeaway: For many travelers, these temperatures are comfortable for city sightseeing when you pack one flexible layer.
🗓️ Travel timing at a glance
Sydney: 12-month travel weather
Sydney’s seasons are opposite the Northern Hemisphere: summer is December–February and winter is June–August. Rain falls throughout the year rather than in one fixed wet season.
JanSummerFebSummerMarEarly autumnAprAutumnMayLate autumnJunWinterJulWinterAugLate winterSepSpringOctSpringNovLate springDecSummer
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Sydney 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
⚠️ Busy / closure period
Sydney New Year’s Eve
📅 Dec 31, 2026
One of Sydney’s biggest annual events brings huge crowds to the harbour. Recheck 2026 viewing areas, tickets and transport controls before departure.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Sydney in September · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ September 2025 · latest complete year☔ 4 days · 78.6 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
17.8°C/8.2°C
No rain
2
18°C/9.5°C
No rain
3
20.4°C/8.9°C
No rain
4
22.5°C/12.1°C
No rain
5
16.7°C/11.3°C
No rain
6
19.3°C/10.5°C
No rain
7
21.8°C/10.1°C
No rain
8
28°C/15.6°C
No rain
9
24.4°C/16.7°C
No rain
10
17.5°C/13.4°C
🌧️ 27.5 mm
11
15.9°C/8.8°C
🌧️ 35.3 mm
12
19°C/9.5°C
No rain
13
19.1°C/9.1°C
No rain
14
21.3°C/9.5°C
No rain
15
24.7°C/9.7°C
No rain
16
26.5°C/15.7°C
No rain
17
24.8°C/13.5°C
No rain
18
19.4°C/9.4°C
No rain
19
22.7°C/9.7°C
No rain
20
22.1°C/13.3°C
🌧️ 7 mm
21
21.9°C/9.8°C
No rain
22
22.3°C/10.2°C
🌧️ 5.5 mm
23
16.4°C/8.2°C
No rain
24
24.2°C/8.8°C
No rain
25
25.8°C/10°C
No rain
26
28.8°C/16.5°C
No rain
27
31.7°C/17.4°C
No rain
28
23.7°C/17.6°C
No rain
29
22.5°C/14.7°C
No rain
30
23.9°C/13.9°C
No rain
September 2024☔ 6 days · 59.8 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
25.8°C/13.9°C
No rain
2
25.1°C/12.3°C
No rain
3
17.3°C/8°C
No rain
4
20.7°C/5.4°C
No rain
5
26.7°C/10.8°C
No rain
6
29.3°C/15.3°C
No rain
7
24.2°C/14.2°C
No rain
8
19.7°C/12.4°C
No rain
9
24.6°C/10°C
No rain
10
20.1°C/12.1°C
No rain
11
22.7°C/8.4°C
No rain
12
19.1°C/13.9°C
🌧️ 3.8 mm
13
17.1°C/10°C
No rain
14
22.2°C/7.7°C
No rain
15
15.8°C/9.3°C
No rain
16
18.3°C/5.1°C
No rain
17
20.6°C/8.3°C
No rain
18
24.9°C/6.3°C
No rain
19
26.7°C/12.4°C
No rain
20
24°C/8.1°C
No rain
21
23°C/11.2°C
No rain
22
25.2°C/9.2°C
No rain
23
27.8°C/9.6°C
No rain
24
24.1°C/13.3°C
No rain
25
29.4°C/16.3°C
No rain
26
17.5°C/12°C
🌧️ 19.8 mm
27
16.5°C/13.1°C
🌧️ 2.4 mm
28
18.2°C/14°C
🌧️ 1 mm
29
19.8°C/11.7°C
🌧️ 12.6 mm
30
18.9°C/11.6°C
🌧️ 19.1 mm
September 2023☔ 4 days · 18.7 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
17.4°C/9.9°C
No rain
2
16.6°C/8.5°C
No rain
3
18.4°C/7.7°C
No rain
4
19.2°C/7.7°C
No rain
5
23.9°C/12.1°C
No rain
6
20.5°C/7.4°C
No rain
7
23.3°C/7.3°C
No rain
8
19.4°C/11.5°C
🌧️ 4.8 mm
9
18.7°C/8°C
No rain
10
18.4°C/6.4°C
No rain
11
18.8°C/6.3°C
No rain
12
20.2°C/7.6°C
No rain
13
21.9°C/8.2°C
No rain
14
24.3°C/7.8°C
No rain
15
26.6°C/7.8°C
No rain
16
31.6°C/11.4°C
No rain
17
31.4°C/15.5°C
No rain
18
31.9°C/11.5°C
No rain
19
34°C/11.9°C
No rain
20
33.9°C/19.4°C
No rain
21
22.5°C/14.4°C
No rain
22
17.7°C/10.9°C
No rain
23
19.3°C/9.7°C
No rain
24
19.9°C/8.1°C
No rain
25
24.1°C/8°C
No rain
26
20.8°C/10.8°C
🌧️ 3.8 mm
27
22.1°C/12.2°C
🌧️ 3.9 mm
28
21.2°C/13.2°C
🌧️ 4 mm
29
26.1°C/10.9°C
No rain
30
25.3°C/11°C
No rain
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
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Current Sydney weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Sydney weather in other months
Switch months to compare the seasonal pattern.