Port-Gentil Weather in September
September in Port-Gentil typically sees daytime highs of 27°C (81°F) and nighttime lows of 24°C (75°F). Expect some rainfall during the month.
Rainfall in Port-Gentil in September
Analyzing past climate data, one can expect approximately 9 days of rain, averaging 52 mm (2 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Port-Gentil in September
September is a perfect month in Port-Gentil, with 27°C (81°F) during the day and 24°C (75°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Port-Gentil in September
The area enjoys a balanced 127 hours of sunlight, ensuring it's neither too overcast nor too sunny.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Gabon, check out our Port-Gentil's climate page.
Port-Gentil Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
27°C (81°F)
Chance of Rain
31%
Precipitation
52 mm (2 in)
Rainy days
9 days
Humidity
82%
Sunshine
127 hours
Percentage Sunshine
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Port-Gentil typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
41-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Port-Gentil in September
Browse day-by-day weather records for Port-Gentil spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Port-Gentil historical weather extremes in September
Based on weather observations in Port-Gentil between 2000 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 17, 2019, with a maximum of 32°C (90°F).
- Port-Gentil experienced its chilliest September day on September 15, 2009, reaching only 25°C (77°F).
- Port-Gentil registered its coldest September night on September 1, 2017, with temperatures dropping to 22°C (72°F).
Best Places in Gabon in September
Find out more about the weather in Gabon and which places have the best travel conditions in this month. See all of Gabon in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Port-Gentil in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Port-Gentil in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Gabon, check out our Port-Gentil's climate page.
Temperature Rainfall Sunshine Humidity
See the full Port-Gentil climate overview or explore weather in Gabon.
