When to go · Guinea-Bissau
Guinea-Bissau in September
Avoid month. Very wet; roads flood.
Key facts
- Verdict
- Avoid
- Crowds
- Low
- Guinea-Bissau
- Prices
- Low
- Guinea-Bissau
Verdict
Very wet; roads flood.
Is another month better than September?
September is rated avoid. These months rate higher:
Weather in September
- Coast and Bissau · Bissau, Cacheu, Varelastorm or typhoon risk
Dry and pleasant Dec–Mar with Harmattan haze; very wet Jul–Sep (Bissau gets about 2,000 mm a year).
- Bijagós islands · Bubaque, Orango, João Vieira, Rubanestorm or typhoon risk
Sea breezes; rough crossings in the rains; turtle nesting Aug–Nov.
- Interior east · Bafatá, Gabúrainy
Hotter and drier; Harmattan dust Jan–Mar.
- Bissau30 °C (86 °F) / 23 °C (73 °F), 17 rain days86 °F (30 °C) / 73 °F (23 °C), 17 rain days
- Bafatá31 °C (88 °F) / 22 °C (72 °F), 18 rain days88 °F (31 °C) / 72 °F (22 °C), 18 rain days
- Bolama31 °C (88 °F) / 23 °C (73 °F), 18 rain days88 °F (31 °C) / 73 °F (23 °C), 18 rain days
- Buba30 °C (86 °F) / 22 °C (72 °F), 18 rain days86 °F (30 °C) / 72 °F (22 °C), 18 rain days
- Cacheu32 °C (90 °F) / 25 °C (77 °F), 12 rain days90 °F (32 °C) / 77 °F (25 °C), 12 rain days
- Gabú31 °C (88 °F) / 22 °C (72 °F), 18 rain days88 °F (31 °C) / 72 °F (22 °C), 18 rain days
- Varela30 °C (86 °F) / 24 °C (75 °F), 20 rain days86 °F (30 °C) / 75 °F (24 °C), 20 rain days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Independence Day
24 Sep
Parades.
Crowds and prices
- Crowds · Guinea-Bissau
- Low
- Prices · Guinea-Bissau
- Low
Compare two months
Weather, crowds and prices for any two months in Guinea-Bissau, side by side.
Verdict
Sep: Avoid
Jan: Great (better)
Crowds
Sep: Low
Jan: Medium
Prices
Sep: Low
Jan: Medium
Festivals listed
Sep: 1
Jan: 2
September: Very wet; roads flood.
January: Dry and warm; calm seas for the Bijagós.
Guinea-Bissau: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast
- A spare day in the plan: storms can cancel flights and ferries
Where to go in September
Better another month
Coast and Bissau
Dry and pleasant Dec–Mar with Harmattan haze; very wet Jul–Sep (Bissau gets about 2,000 mm a year).
Bijagós islands
Sea breezes; rough crossings in the rains; turtle nesting Aug–Nov.
Very wet.