Merimbula Weather in September
With daytime temperatures of 18°C (64°F) and nighttime lows of 10°C (50°F), September in Merimbula brings pleasant temperatures during the day. Some rainfall is to be expected during the month.
Rainfall in Merimbula in September
Typically around 11 days of rainfall are expected, averaging 56 mm (2.2 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Merimbula in September
Expect highs of 18°C (64°F) in Merimbula in September, with nights dropping to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, March, April, October, November and December typically offer the best weather for Merimbula.
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 Merimbula's climate page.
Merimbula Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
18°C (64°F)
Chance of Rain
38%
Precipitation
56 mm (2.2 in)
Rainy days
11 days
Humidity
61%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Merimbula typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cold, with lows around 8°C (46°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 Merimbula in September
Browse day-by-day weather records for Merimbula spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Merimbula historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Merimbula.
- The warmest day in September was on September 19, 2023, with a maximum of 34°C (93°F).
- On September 29, 1984, Merimbula saw its coldest September day with temperatures maxing out at 11°C (52°F).
- Nighttime temperatures dropped to 0°C (32°F) on September 22, 1994, 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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tolerable
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What to Wear in Merimbula in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Merimbula 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 Merimbula's climate page.
See the full Merimbula climate overview or explore weather in Australia.
