Bahia weather in September
September is one of the best months to visit Bahia: highs of 27°C (81°F) and about 71 mm (2.8 in) of rain on average. Nights average 21°C (70°F) and cloud cover 45% (NASA POWER, 2001–2025 averages). The sea averages 26°C (79°F). It is the 3rd driest month of the year and the 4th coolest. Compared with August, it is warmer and drier; October brings highs of 29°C (84°F) and 69 mm (2.7 in) of rain.
Figures are long-term averages for Salvador, the largest city in Bahia. See below for other places.
Is September a good time to visit Bahia?
best month Weather score 79/100.
Yes. September is one of the best months for weather in Bahia.
Does it rain a lot in Bahia in September?
Some rain is normal: about 71 mm (2.8 in) falls in an average September. It is the 3rd driest month of the year.
How warm is Bahia in September?
Days average 27°C (81°F) and nights 21°C (70°F).
Bahia weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 30°C (86°F) | 24°C (75°F) | 83 mm | 51% | 27°C (81°F) | best |
| February | 30°C (87°F) | 24°C (75°F) | 87 mm | 52% | 29°C (84°F) | best |
| March | 30°C (87°F) | 24°C (76°F) | 100 mm | 51% | 29°C (85°F) | fair |
| April | 29°C (85°F) | 24°C (75°F) | 147 mm | 53% | 29°C (85°F) | least pleasant |
| May | 28°C (82°F) | 23°C (74°F) | 166 mm | 53% | 28°C (83°F) | least pleasant |
| June | 27°C (80°F) | 22°C (72°F) | 138 mm | 54% | 27°C (81°F) | least pleasant |
| July | 26°C (78°F) | 21°C (70°F) | 128 mm | 52% | 26°C (79°F) | fair |
| August | 26°C (79°F) | 21°C (70°F) | 96 mm | 49% | 26°C (79°F) | fair |
| September | 27°C (81°F) | 21°C (70°F) | 71 mm | 45% | 26°C (79°F) | best |
| October | 29°C (84°F) | 22°C (72°F) | 69 mm | 48% | 26°C (79°F) | best |
| November | 30°C (85°F) | 23°C (73°F) | 72 mm | 53% | 26°C (80°F) | best |
| December | 30°C (87°F) | 23°C (74°F) | 57 mm | 51% | 27°C (80°F) | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months
Weather across Bahia in September
Weather can differ a lot within Bahia: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Salvador | 27°C (81°F) | 21°C (70°F) | 71 mm | best |
| Feira de Santana | 29°C (84°F) | 19°C (65°F) | 64 mm | best |
| Vitória da Conquista | 29°C (83°F) | 15°C (58°F) | 26 mm | best |
| Camaçari | 27°C (81°F) | 21°C (70°F) | 67 mm | best |
| Juazeiro | 34°C (93°F) | 19°C (66°F) | 8 mm | fair |
| Lauro de Freitas | 26°C (79°F) | 24°C (75°F) | 56 mm | best |
| Itabuna | 29°C (83°F) | 17°C (63°F) | 51 mm | best |
| Ilhéus | 26°C (78°F) | 23°C (74°F) | 57 mm | best |
| Porto Seguro | 29°C (83°F) | 17°C (63°F) | 65 mm | best |
| Barreiras | 35°C (95°F) | 20°C (68°F) | 8 mm | fair |
| Alagoinhas | 29°C (83°F) | 18°C (65°F) | 65 mm | best |
| Teixeira de Freitas | 30°C (85°F) | 17°C (62°F) | 54 mm | best |