Santa Marta in September

In September, Santa Marta averages 30°C (86°F) during the day and 26°C (79°F) at night, with frequent rain — about 20 days of the month see precipitation (135 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

September is one of the wetter and less comfortable months in Santa Marta. If your dates are flexible, consider a different time of year.

30°C
Avg high
26°C
Avg low
20
Rain days
135 mm
Rainfall

How September compares to the rest of the year in Santa Marta

6th
warmest month of the 12
2nd
wettest month of the 12
12%
of yearly rainfall falls in September
12 h 12 min
daylight on the 15th

September is in the middle of the year for warmth in Santa Marta (6th of 12) and one of the wettest months (2nd of 12). Daytime temperature matches the city's annual average. September runs roughly the same as August (30°C) and cools 1°C in October (30°C).

September sunrise & sunset in Santa Marta

🌅
Sunrise (15th)
5:46 AM
🌇
Sunset (15th)
5:57 PM
Day length
12 h 12 min

Times shown for Santa Marta local time (America/Bogota), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Santa Marta — September

Golden-hour and blue-hour windows for the 15th of September, in Santa Marta's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:46 AM – 5:26 AM
🌄 Golden hour (AM)
5:26 AM – 6:26 AM
🌇 Golden hour (PM)
5:17 PM – 6:17 PM
🌆 Blue hour (PM)
6:17 PM – 6:57 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Santa Marta.

📅 When to book — Santa Marta in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Santa Marta's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — September in Santa Marta

Shoulder

Santa Marta is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Sun & mosquito risk — September in Santa Marta

☀️ UV Index (noon, 15th)
12.8
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Santa Marta in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 29°C / 85°F 25°C / 77°F 9 mm 2
February 29°C / 85°F 25°C / 77°F 5 mm 1
March 30°C / 85°F 25°C / 77°F 18 mm 2
April 30°C / 87°F 26°C / 78°F 58 mm 8
May 30°C / 86°F 26°C / 79°F 109 mm 15
June 30°C / 86°F 26°C / 79°F 126 mm 17
July 30°C / 87°F 26°C / 79°F 90 mm 16
August 30°C / 87°F 26°C / 79°F 138 mm 19
September 30°C / 86°F 26°C / 79°F 135 mm 20
October 30°C / 85°F 25°C / 78°F 217 mm 24
November 30°C / 85°F 25°C / 78°F 161 mm 18
December 30°C / 86°F 26°C / 78°F 34 mm 6

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Santa Marta in September →

Frequently asked questions

How hot is Santa Marta in September?

In September, Santa Marta averages a high of 30°C (86°F) and a low of 26°C (79°F) — generally hot.

Does it rain a lot in Santa Marta in September?

September is quite rainy in Santa Marta, with about 20 rainy days on average.

Is September a good time to visit Santa Marta?

September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Santa Marta in September?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Santa Marta for a complete, climate-based checklist.

Open Santa Marta on the interactive map

Check the live 10-day forecast and sunrise/sunset.