Melbourne Weather in September
September in Melbourne typically sees daytime highs of 17°C (63°F) and nighttime lows of 8°C (46°F). As the wettest month of the year, expect more rainfall than other months.
Rainfall in Melbourne in September
An umbrella might come in handy since it is the wettest month of the year. You can expect rain on around 10 days based on historical patterns, with 69 mm (2.7 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Melbourne in September
September in Melbourne brings moderate temperatures, with highs of 17°C (63°F) and nights around 8°C (46°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Melbourne in September
With about 185 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.
Wind Speed in Melbourne in September
Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in September
The water is 13°C (55°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Melbourne. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Melbourne's climate page.
Melbourne Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
17°C (63°F)
Water Temperature
13°C (55°F)
Chance of Rain
34%
Precipitation
69 mm (2.7 in)
Rainy days
10 days
Humidity
52%
Windspeed
3 m/s (6 knots)
Sunshine
185 hours
Percentage Sunshine
52%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Melbourne typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Melbourne in September
Browse day-by-day weather records for Melbourne spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Melbourne historical weather extremes in September
According to our 49 years of weather records for Melbourne, the following extremes were recorded between 1976 and 2025.
- The warmest day in September was on September 12, 2009, with a maximum of 30°C (86°F).
- On September 5, 1995, Melbourne saw its coldest September day with temperatures maxing out at 6°C (43°F).
- Nighttime temperatures dropped to -1°C (30°F) on September 29, 1997, marking the coldest September night on record.
Best Places in Australia in September
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →
perfect weather
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unpleasant
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What to Wear in Melbourne in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 13°C (55°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Melbourne in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Melbourne's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Melbourne climate overview or explore weather in Australia.
