São Tomé and Príncipe in September

End of gravana; still good for trekking.

No other month rates higher than September for São Tomé and Príncipe in this guide.

• São Tomé north and east · São Tomé city, Guadalupe, Lagoa Azulbest weather

  Drier and sunnier in the rain shadow; gravana (June–September) is cooler and cloudy-bright; a short dry gravanito around December–January.

• São Tomé south and west, Obo forest · Porto Alegre, Ribeira Peixe, Obo, Pico Cão Grandefine

  Among the wettest places in Africa — several metres of rain a year; even the dry season brings showers.

• Príncipe · Santo António, Bom Bom, Sundybest weather

  Hot and humid; the north is drier than the forested south.

• São Tomé28 °C (82 °F) / 22 °C (72 °F), 7 rain days82 °F (28 °C) / 72 °F (22 °C), 7 rain days
• Santo António28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days

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.

• Armed Forces Day

  6 Sep

  Public holiday.

• Agrarian Reform Day

  30 Sep

  Marks the nationalisation of the roças.

Crowds · São Tomé and Príncipe

Medium

Prices · São Tomé and Príncipe

Medium

Weather, crowds and prices for any two months in São Tomé and Príncipe, side by side.

Nothing unusual for the weather this month.

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Rated best or good this month

• São Tomé north and east

  Best weather of the year (São Tomé city, Guadalupe, Lagoa Azul)

• Príncipe

  Best weather of the year (Santo António, Bom Bom, Sundy)

• São Tomé

  Dry; humid on the coast.

• Santo António

  Best months: Jun–Sep, Dec–Feb