Atlántico weather in September
September is one of the least pleasant months in Atlántico: highs of 30°C (86°F) and about 168 mm (6.6 in) of rain on average. Nights average 26°C (80°F) and cloud cover 75% (NASA POWER, 2001–2025 averages). It is the 2nd wettest month of the year and the 6th coolest. Compared with August, it is about as warm and wetter; October brings highs of 30°C (85°F) and 220 mm (8.7 in) of rain.
Figures are long-term averages for Barranquilla, the largest city in Atlántico. See below for other places.
Is September a good time to visit Atlántico?
least pleasant month Weather score 57/100.
September is one of the least pleasant months for weather in Atlántico. For better conditions, consider Dec–Apr.
Does it rain a lot in Atlántico in September?
Yes, it is one of the rainy months: about 168 mm (6.6 in) falls in an average September. It is the 2nd wettest month of the year.
How warm is Atlántico in September?
Days average 30°C (86°F) and nights 26°C (80°F).
Atlántico weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 30°C (85°F) | 24°C (76°F) | 2 mm | 23% | best |
| February | 30°C (86°F) | 24°C (76°F) | 2 mm | 24% | best |
| March | 30°C (86°F) | 25°C (76°F) | 6 mm | 40% | best |
| April | 30°C (87°F) | 25°C (78°F) | 38 mm | 62% | best |
| May | 30°C (87°F) | 26°C (79°F) | 151 mm | 74% | least pleasant |
| June | 30°C (87°F) | 26°C (79°F) | 111 mm | 69% | fair |
| July | 30°C (87°F) | 26°C (79°F) | 120 mm | 66% | fair |
| August | 30°C (87°F) | 26°C (79°F) | 129 mm | 71% | fair |
| September | 30°C (86°F) | 26°C (80°F) | 168 mm | 75% | least pleasant |
| October | 30°C (85°F) | 26°C (79°F) | 220 mm | 76% | least pleasant |
| November | 29°C (85°F) | 26°C (79°F) | 143 mm | 63% | fair |
| December | 30°C (85°F) | 25°C (78°F) | 37 mm | 36% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Atlántico in September
Weather can differ a lot within Atlántico: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Barranquilla | 30°C (86°F) | 26°C (80°F) | 168 mm | least pleasant |
| Soledad | 30°C (86°F) | 26°C (80°F) | 168 mm | least pleasant |
| Malambo | 30°C (86°F) | 26°C (80°F) | 168 mm | least pleasant |
| Sabanalarga | 32°C (89°F) | 24°C (76°F) | 128 mm | least pleasant |
| Baranoa | 30°C (86°F) | 26°C (80°F) | 168 mm | least pleasant |
| Sabanagrande | 30°C (86°F) | 26°C (80°F) | 168 mm | least pleasant |
| Santo Tomás | 30°C (86°F) | 26°C (80°F) | 168 mm | least pleasant |
| Luruaco | 32°C (89°F) | 24°C (76°F) | 128 mm | least pleasant |
| Palmar de Varela | 32°C (89°F) | 24°C (76°F) | 128 mm | least pleasant |
| Puerto Colombia | 30°C (86°F) | 26°C (80°F) | 168 mm | least pleasant |
| Repelón | 32°C (89°F) | 24°C (76°F) | 128 mm | least pleasant |
| Ponedera | 32°C (89°F) | 24°C (76°F) | 128 mm | least pleasant |