Sydney in september: average Weather, Temperature and Climate
Weather in Sydney in september 2025
The weather in Sydney in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
58°F
Clear/Sunny
36% of time
24%
14%
11%
Weather at 12pm
65°F
Clear/Sunny
38% of time
23%
20%
14%
Weather at 6pm
63°F
Clear/Sunny
42% of time
21%
19%
11%
Weather at 3am
58°F
37%
25%
14%
12%
Evolution of daily average temperature and precipitation in Sydney in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sydney in september.
The climate of Sydney in september is good
The climate in september in Sydney is relatively dry (with 4.1in of precipitation over 5 days). The weather is better from the previous month since in august it receives an average of 4.2in of precipitation over 4 days.
The climate comfortable in this location this month. The high seasonal norm is 67°F. The minimum is 58°F. Thus, the mean temperature average in september in Sydney is 61°F. Note that these seasonal averages are in contrast with those observed in Sydney in the month of september with a maximum record of 83°F in 2010 and a minimum record of 38°F in 2019. You can hope to have about 19 days with temperatures up to 65°F, or 63% of the month.
Day length in Sydney in september is 12:32. Sunrise is at 05:39 and sets at 18:11.
With a good climate, september is a good time to go in this city in Canada.
Seasonal average climate and temperature of Sydney in september
Check below seasonal norms These datas are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 83°F (2010) | ||||
| Lowest record temperature | 38°F (2019) | ||||
| Number of days at +65°F | 19 day(s) (63%) | ||||
| Sea temperature | |||||
| Average sea temperature | 62°F | ||||
| Lowest sea temperature | 56°F | ||||
| Highest sea temperature | 67°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.1in | ||||
| Number of days with rainfall | 5 day(s) (17%) | ||||
| Record daily rainfall | 2.4in (2017) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 9.11km | ||||
| Cloud cover | 42% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:39 | ||||
| Time of sunset | 18:11 | ||||
| Length of day | 12:32 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Sydney in september 2024:
59°F to 74°F
65°F to 70°F
52°F to 65°F
49°F to 68°F
52°F to 76°F
56°F to 72°F
61°F to 67°F
67°F to 72°F
58°F to 67°F
52°F to 70°F
54°F to 65°F
49°F to 68°F
52°F to 76°F
56°F to 61°F
49°F to 65°F
54°F to 77°F
63°F to 77°F
65°F to 74°F
65°F to 74°F
59°F to 63°F
56°F to 59°F
54°F to 56°F
54°F to 59°F
56°F to 59°F
56°F to 58°F
54°F to 58°F
56°F to 58°F
58°F to 59°F
56°F to 61°F
54°F to 61°F
Map: other cities in Canada in september
Cities near Sydney:
| Cape Breton Island in september | good weather |
| Charlottetown in september | good weather |
| Halifax in september | good weather |
| Hebron (Prince Edward Island) in september | good weather |
| Corner Brook in september | tolerable weather |
| Moncton in september | good weather |
| Fundy National Park in september | good weather |
| Miramichi in september | good weather |
| Gros Morne National Park in september | tolerable weather |
| Bathurst in september | good weather |
| Saint John in september | good weather |
| Fredericton in september | good weather |
Click over cities on the map for information about the weather in september.
Sydney
perfect weather
good
tolerable
bad
very bad
Weather data for Sydney in september:
Weather data for Sydney for september are derived from an average of the weather forecast since 2009 in Sydney. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sydney can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Sydney.