Climate guide for Santa Marta, Colombia

Santa Marta in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
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September · Colombia

Best time to visit Santa Marta in September Weather, crowds & prices

Weather in Santa Marta in September

Average temperature 28°C, 164 mm of rain, about 25 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.1/10

Ranked #9 of 12 months

Full year for Santa Marta
Avg temp
28°C
Rainfall
164 mm
Humidity
81%
Days with 6h+ sun
25
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Santa Marta scores 7.1/10 for beach and coastal travel - ranked #9 of 12. Expect around 28°C, 164 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.

Santa Marta is Colombia's Caribbean base, with a colonial centre and the Sierra Nevada and Tayrona close.

September in Santa Marta — reliably good (9th best month)

Days in September average 28°C (82°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

164 mm of rain makes this a wet month here, though with about 25 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 7.1/10 on the same scale — 9th of 12 months, versus 9.9/10 for the best month here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Budget for low-season pricing, and crowds are light for this destination.

If your dates are flexible, February is materially better in Santa Marta — 2.8 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 Santa Marta in September?
In September, Santa Marta averages 28°C, 164 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
Is September a good time to visit Santa Marta?
September earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Santa Marta in September?
Expect about 164 mm of rain in September. Average humidity is 81% and there are about 25 days with 6+ hours of sunshine.

Curated in Santa Marta

Tickets & experiences

Things to do in Santa Marta

Santa Marta, Colombia. Live activities and tours from GetYourGuide, matched to this destination.