Bissau Weather in September
Guinea-Bissau · September climate averages and travel tips
Avg high29°C (84°F)
Avg low25°C (76°F)
Rainfall416 mm (16.4 in)
RatingPoor 2.5/10
In September, Bissau has average highs of 29°C (84°F) and lows of 25°C (76°F). The month is very wet, with about 416 mm (16.4 in) of rain spread over 30 days, making it the third wettest month of the year. Humidity averages 89%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.1 hours of daylight and frequently cloudy skies.
Is September a good time to visit Bissau?
September is not the best time to visit Bissau (2.5/10) mainly because of the rain. The weather is much better in December and January.
September weather at a glance
| Average high | 29°C (84°F) |
|---|---|
| Average low | 25°C (76°F) |
| Daily mean | 27°C (80°F) |
| Rainfall | 416 mm (16.4 in) |
| Rainy days (1 mm+) | 30 |
| Humidity | 89% |
| Cloud cover | 77% |
| Daylight | 12.1 hours |
| Est. sunshine | 3.1 hours/day |
| Wind | 7.2 km/h |
| vs August | About as warm as August, with 129 mm less rain. |
What to pack for Bissau in September
- light, breathable clothing
- sunscreen and a hat
- an umbrella or rain jacket
Bissau weather in other months
Jan29°C / 17°C0 mmExcellentFeb32°C / 18°C0 mmGoodMar35°C / 21°C1 mmFairApr37°C / 23°C0 mmFairMay36°C / 24°C24 mmFairJun32°C / 25°C138 mmPoorJul29°C / 25°C430 mmPoorAug29°C / 25°C545 mmPoorSep29°C / 25°C416 mmPoorOct30°C / 25°C214 mmPoorNov30°C / 23°C12 mmGoodDec29°C / 18°C0 mmExcellent
← AugustBest time to visit BissauOctober →
Better weather in September nearby
- Arusha28°C · 30 mm · Excellent
- Essaouira24°C · 10 mm · Excellent
- Johannesburg26°C · 16 mm · Excellent
- Soweto27°C · 15 mm · Excellent
- Gqeberha20°C · 26 mm · Excellent
- Asmara24°C · 38 mm · Excellent
Nearby in September
- Banjul29°C · 247 mm
- Camayenne27°C · 519 mm
- Conakry27°C · 519 mm
- Touba32°C · 162 mm
- Dakar28°C · 186 mm
- Pikine29°C · 163 mm
Where else is good in September? See where to go in September.