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When to go · Bo

Bo in September

Avoid month. Listed as a month to avoid: May–Oct (rainy season).

Key facts

Verdict
Avoid
Temperature
34°C (93°F) / 25°C (77°F)
average high / low
Rain days
10
Crowds
Low
Sierra Leone overall
Prices
Low
Sierra Leone overall

Verdict

AvoidBest and avoid months for Bo

Listed as a month to avoid: May–Oct (rainy season).

Is another month better than September?

September is rated avoid. These months rate higher:

Weather in September

Long-term averages
  • BoHighs around 34 °C (93 °F), lows around 25 °C (77 °F), rain on about 10 days
  • Freetown Peninsula and coast, Sierra Leone · Freetown, River No. 2, Bureh, Banana Islands, Bonthestorm or typhoon risk

    One of the wettest capitals in the world: over 3 m of rain a year, most of it July–September, with floods and landslides.

Crowds and prices

Crowds · Sierra Leone overall
Low
Prices · Sierra Leone overall
Low

Sierra Leone overall: Still very wet.

Compare two months

Weather, crowds and prices for any two months in Bo, side by side.

  • Verdict

    Sep: Avoid

    Jan: Great (better)

  • Daytime high

    Sep: 34 °C (93 °F)

    Jan: 30 °C (86 °F)

  • Night low

    Sep: 25 °C (77 °F)

    Jan: 22 °C (72 °F)

  • Rain days

    Sep: 10

    Jan: 2 (better)

  • Crowds

    Sep: Low

    Jan: Medium

  • Prices

    Sep: Low

    Jan: Medium

  • Festivals listed

    Sep: 0

    Jan: 0

September: Listed as a month to avoid: May–Oct (rainy season).

January: Inside Bo's best window: Nov–Apr (dry season).

Bo: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast
  • A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Across Sierra Leone in September →