Where to Go for Great Weather
Republic of the Congo · Kouilou · September

Kouilou in Septemberhow the month reads

September is a solid shoulder month for Kouilou inside Republic of the Congo, with cooler than the yearly mean by 1.5°C. The safety bulletins below apply.

Rank
5 of 12
Score
60/100
September match
60/100

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What’s open · September

Things to do in Kouilou in September

  • Open
    Leatherback and olive ridley turtle nesting

    leatherbacks and olive ridleys nest on Congolese beaches from September to April

    Sources: cambridge.org, wcs.org

Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-10-26. Dates move — confirm before you book.

  • Temperature
    27°C
    −1.5°C vs. yearly mean
  • Month rank
    5 of 12
    for Kouilou
  • Best months
    May · June · July
    highest regional score
12-month temperature · Kouilou

September in context

Temperature°C
Temperature · 12-month climatologyKouilou, Republic of the Congo — September. Average daytime high by month in °C. Lowest in July (25.6), highest in April (30.5). Monthly means: 29.7, 30.2, 30.5, 30.5, 29.4, 26.8, 25.6, 25.8, 27.0, 28.7, 29.2, 29.2.
View data table
MonthAverage daytime high (°C)
January29.7
February30.2
March30.5
April30.5
May29.4
June26.8
July25.6
August25.8
September27.0
October28.7
November29.2
December29.2
Safety · 3 governments

What the governments say about Republic of the Congo

Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 3 governments · Advisory last changed
See breakdown by country
DE

Exercise normal precautions

Changed Checked www.auswaertiges-amt.de
US

Exercise increased caution

Changed Checked travel.state.gov

Parts of Republic of the Congo carry a higher advisory — up to level 3, "Reconsider travel". The governments concerned name a region rather than a boundary, so the carve-out is not drawn on the map and is not reflected in the combined level above. Follow the source links for where it applies.

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Plan a September trip to Kouilou.

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