Climate guide for Cat Ba Island, Vietnam

Cat Ba Island in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Vietnam

Best time to visit Cat Ba Island in SeptemberWeather, crowds & prices

September score

5.2/10

Ranked #12 of 12 months

Full year for Cat Ba Island
Avg temp
32°C
Rainfall
260 mm
Humidity
77%
Sunny days
11
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Cat Ba Island scores 5.2/10 for nature and wildlife travel - ranked #12 of 12. Expect around 32°C, 260 mm of rain, and roughly 11 sunny days this month.

Largest island in Halong/Lan Ha Bay featuring rainforest national parks, bioluminescent plankton, and kayaking.

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 Cat Ba Island in September?
In September, Cat Ba Island averages 32°C, 260 mm of rain, and about 11 sunny days. Its climate-comfort score is 5.2/10.
Is September a good time to visit Cat Ba Island?
September earns a 5.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Cat Ba Island in September?
Expect about 260 mm of rain in September. Average humidity is 77% and there are about 11 sunny days.

Curated in Cat Ba Island

Tickets & experiences

Things to do in Cat Ba Island

Cat Ba Island, Vietnam. Live activities and tours from GetYourGuide, matched to this destination.