Climate guide for Geelong, Australia

Geelong in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Australia

Best time to visit Geelong in September Weather, crowds & prices

Weather in Geelong in September

Average temperature 12°C, 37 mm of rain, about 13 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.3/10

Ranked #6 of 12 months

Full year for Geelong
Avg temp
12°C
Rainfall
37 mm
Humidity
73%
Days with 6h+ sun
13
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Geelong scores 8.3/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 12°C, 37 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.

Geelong is Victoria’s waterfront city on Port Phillip Bay-gateway to the Great Ocean Road and Bellarine wine. Best window: November through March in the Southern Hemisphere.

September in Geelong: strong conditions, 6th of 12

Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.

With around 37 mm of rain, any showers tend to pass through rather than settle in; about 13 days with 6+ hours of sunshine and 11.8 hours of daylight fill the rest.

That is 8.3/10 on the same scale — 6th of 12 months, versus 10/10 for the best month here.

Pack layers you can shed by midday plus one warm layer for the evening.

Expect mid-season pricing, and crowds are moderate.

If your dates are flexible, February is materially better in Geelong — 1.7 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Geelong in September?
In September, Geelong averages 12°C, 37 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
Is September a good time to visit Geelong?
September earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Geelong in September?
Expect about 37 mm of rain in September. Average humidity is 73% and there are about 13 days with 6+ hours of sunshine.

Curated in Geelong

Tickets & experiences

Things to do in Geelong

Geelong, Australia. Live activities and tours from GetYourGuide, matched to this destination.