Climate guide for Nanaimo, Canada

Nanaimo in September

Weather, crowds & best time to visit

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

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

Weather in Nanaimo in September

Average temperature 16°C, 33 mm of rain, about 11 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.8/10

Ranked #4 of 12 months

Full year for Nanaimo
Avg temp
16°C
Rainfall
33 mm
Humidity
75%
Days with 6h+ sun
11
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Nanaimo scores 8.8/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 16°C, 33 mm of rain, and roughly 11 days with 6+ hours of sunshine this month.

Nanaimo is Vancouver Island's harbour city, with a lively waterfront, island ferries, and forested hikes minutes from downtown.

September is one of the strongest months in Nanaimo (4th)

Temperatures hover around 16°C (60°F) — the kind of month where neither heat nor cold forces the schedule.

With around 33 mm of rain, any showers tend to pass through rather than settle in; about 11 days with 6+ hours of sunshine and 12.3 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Nanaimo at 8.8/10 (4th of 12), just behind July at 9.8/10.

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

Budget for mid-season pricing, and crowds are moderate.

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 Nanaimo in September?
In September, Nanaimo averages 16°C, 33 mm of rain, and about 11 days with 6+ hours of sunshine. Its climate-comfort score is 8.8/10.
Is September a good time to visit Nanaimo?
September earns a 8.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Nanaimo in September?
Expect about 33 mm of rain in September. Average humidity is 75% and there are about 11 days with 6+ hours of sunshine.

Curated in Nanaimo

Tickets & experiences

Things to do in Nanaimo

Nanaimo, Canada. Live activities and tours from GetYourGuide, matched to this destination.