September weather forecast
Gabon

In Gabon, September signifies the end of the long dry season and the start of the short rainy season. This transition is marked by a slight increase in rainfall compared to previous months, with totals typically ranging from 30mm (1.18") to 100mm (3.94") across the country. Despite this uptick in rainfall, high temperatures continue to persist, contributing to Gabon's tropical climate.

Libreville, the coastal capital city, begins to see a slight increase in rainfall during September, with occasional showers becoming more frequent. Despite the increased rainfall, the temperatures remain high, generally ranging from 24°C (75.2°F) to 29°C (84.2°F). The periods of sunshine in between showers contribute to the high humidity levels typical of the city.

Compared to August, September sees a slight increase in rainfall as Gabon transitions towards the short rainy season. Moving into October, the rainfall continues to increase as the short rainy season becomes more established.

Franceville, located in the southeastern part of Gabon, also experiences a slight increase in rainfall during September. The temperatures during this month remain largely consistent with previous months, varying between 19°C (66.2°F) to 29°C (84.2°F).

The transition from the dry season to the short rainy season in September can bring a change in travel conditions. While the increase in rainfall may affect road conditions and visibility for wildlife viewing, the lush landscapes and rich biodiversity of Gabon continue to be a key attraction. The persistent high temperatures and increased rainfall contribute to the vibrancy of Gabon's tropical rainforests.

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• Libreville - September »
  On the first day of September in Libreville sunrise is at 06:18 and sunset at 18:25. In the transition from August to September, Libreville reports an average high-temperature of a still warm 27.8°C (82°F), indicating a close resemblance to the prior month.
• Port-Gentil - September »
  In Port-Gentil, during September, the rain falls for 15.3 days and regularly aggregates up to 30mm (1.18") of precipitation. In Port-Gentil in September, the average water temperature is 25.3°C (77.5°F).
• Franceville - September »
  In Franceville during September, the rain falls for 26.1 days and regularly aggregates up to 144mm (5.67") of precipitation. In Franceville during September, the rain falls for 26.1 days and regularly aggregates up to 144mm (5.67") of precipitation.
• Moanda - September »
  In Moanda in September, during 11.4 rainfall days, 126mm (4.96") of precipitation is typically accumulated. In Moanda, in September, during 11.4 rainfall days, 126mm (4.96") of precipitation is typically accumulated.
• Lambarene - September »
  On the first day of September in Lambarene, sunrise is at 06:16 and sunset at 18:22. September is characterized by a return to the rainy months in Lambarene, with a considerable rise in rainfall compared to August, measuring 74mm (2.91").
• Tchibanga - September »
  In Tchibanga during September, the rain falls for 18.1 days and regularly aggregates up to 44mm (1.73") of precipitation. The months with the highest UV index in Tchibanga, Gabon, are January through September, with an average maximum UV index of 6.
• Makokou - September »
  In Makokou, Gabon, in September, during 11 rainfall days, 144mm (5.67") of precipitation is typically accumulated. On the first day of September in Makokou, Gabon, sunrise is at 06:04 and sunset at 18:12.
• Bitam - September »
  September marks the start of another high humidity season with increased rainfall in Bitam, Gabon. In Bitam, in September, it is raining for 28.3 days, with typically 164mm (6.46") of accumulated precipitation.
• Gamba - September »
  In Gamba, Gabon, in September, during 16.8 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Gamba, Gabon, in September, during 16.8 rainfall days, 22mm (0.87") of precipitation is typically accumulated.
• Mayumba - September »
  In Mayumba, in September, during 13.9 rainfall days, 45mm (1.77") of precipitation is typically accumulated. With September's advent, Mayumba sees an average high-temperature of a still warm 26.6°C (79.9°F), subtly shifted from August's 25.9°C (78.6°F).