September · Australia
Best time to visit Barossa Valley in September Weather, crowds & prices
Weather in Barossa Valley in September
Average temperature 13°C, 35 mm of rain, about 19 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.2/10
Ranked #6 of 12 months
- Avg temp
- 13°C
- Rainfall
- 35 mm
- Humidity
- 68%
- Days with 6h+ sun
- 19
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Barossa Valley scores 9.2/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 13°C, 35 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
Barossa Valley is South Australia’s wine heartland-shiraz estates and stone-town cellar doors. Best window: October-April in the Southern Hemisphere.
September is one of the strongest months in Barossa Valley (6th)
Temperatures hover around 13°C (56°F) — the kind of month where neither heat nor cold forces the schedule.
With around 35 mm of rain, any showers tend to pass through rather than settle in; about 19 days with 6+ hours of sunshine and 11.8 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Barossa Valley at 9.2/10 (6th of 12), just behind December at 10/10.
Pack layers you can shed by midday plus one warm layer for the evening.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Barossa Valley in September?
- In September, Barossa Valley averages 13°C, 35 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 9.2/10.
- Is September a good time to visit Barossa Valley?
- September earns a 9.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Barossa Valley in September?
- Expect about 35 mm of rain in September. Average humidity is 68% and there are about 19 days with 6+ hours of sunshine.
Curated in Barossa Valley
Tickets & experiences
Things to do in Barossa Valley
Barossa Valley, Australia. Live activities and tours from GetYourGuide, matched to this destination.