Gabon

Gabon Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Gabon in September.

Are you planning a trip a to Gabon in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Gabon in September

September in Gabon generally has temperatures that range from warm to very warm, with precipitation levels ranging from low to heavy.

Temperatures

During the day the temperature is warm in Moanda at 26°C (79°F) and very warm in Lambarene at 31°C (88°F). As night falls, temperatures generally drop to 23°C (73°F) in Lambarene and 22°C (72°F) in Moanda.

To learn more about the conditions in specific areas of Gabon, check out the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Moanda with an average of 15 mm (0.6 in) to heavy rainfall in Bitam with 195 mm (7.7 in).

Average sunshine

Sunshine is quite limited in many locations during September. Libreville receives roughly 99 hours of sunlight. For destinations with more sunshine, our weather planner offers alternatives worldwide.

Explore Gabon by month

Best Places to Visit in Gabon in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Gabon.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Gabon

What is the weather like in September for some of the most popular destinations in Gabon?

Temperature range in Gabon (September)

Precipitation variation in Gabon (September)

Libreville

In September Libreville generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
27°C (81°F)
28°C (82°F)
29°C (84°F)
Min temperature
23°C (73°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
89 hours
99 hours
116 hours
Monthly rainfall
44 mm (1.7 in)
155 mm (6.1 in)
341 mm (13 in)
Monthly rainy days
6 days
15 days
24 days
Weather conditions

Pointe Denis

In September Pointe Denis generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
27°C (81°F)
28°C (82°F)
28°C (82°F)
Min temperature
23°C (73°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
89 hours
99 hours
116 hours
Monthly rainfall
37 mm (1.5 in)
131 mm (5.2 in)
310 mm (12 in)
Monthly rainy days
5 days
14 days
24 days
Weather conditions

Omboué

In September Omboué generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
22°C (72°F)
23°C (73°F)
24°C (75°F)
Monthly rainfall
19 mm (0.7 in)
47 mm (1.9 in)
177 mm (7 in)
Monthly rainy days
4 days
9 days
19 days
Weather conditions

Port-Gentil

In September Port-Gentil generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
26°C (79°F)
27°C (81°F)
28°C (82°F)
Min temperature
23°C (73°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
138 hours
127 hours
119 hours
Monthly rainfall
16 mm (0.6 in)
52 mm (2 in)
175 mm (6.9 in)
Monthly rainy days
4 days
9 days
18 days
Weather conditions

Makokou

In September Makokou generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 21°C (70°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
28°C (82°F)
30°C (86°F)
30°C (86°F)
Min temperature
21°C (70°F)
21°C (70°F)
21°C (70°F)
Monthly sun hours
49 hours
85 hours
139 hours
Monthly rainfall
70 mm (2.8 in)
150 mm (5.9 in)
196 mm (7.7 in)
Monthly rainy days
4 days
12 days
20 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Gabon.

In our records: Gabon September extremes

Notable September records observed across cities in Gabon in our climate database (1997 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Gabon was 19°C (66°F) in Makokou on September 23, 2004.

Popular cities in September

Day & night temperatures, rainfall and average weather in Gabon in September.

City Weather Day temp Night temp Rainfall
Libreville 28°C (82°F) 24°C (75°F) 155 mm (6.1 in)
Omboué 29°C (84°F) 23°C (73°F) 47 mm (1.9 in)
Port-Gentil 27°C (81°F) 24°C (75°F) 52 mm (2 in)
Lambarene 31°C (88°F) 23°C (73°F) 100 mm (3.9 in)
Moanda 26°C (79°F) 22°C (72°F) 15 mm (0.6 in)
Lopé National Park 30°C (86°F) 22°C (72°F) 167 mm (6.6 in)

Gabon weather in September: frequently asked questions

What is the weather like in Gabon in September?

Expect pleasant weather across Gabon in September. The popular destination of Libreville averages 28°C (82°F) by day and 24°C (75°F) at night during this month.

What is the average temperature in Gabon in September?

Average temperatures in Gabon during September range from a nighttime low near 24°C (75°F) to a daytime high around 28°C (82°F) in Libreville.

Does Gabon get a lot of rain in September?

Yes, September tends to be a wetter month in Gabon. Average rainfall in Libreville sits around 155 mm (6.1 in).

Is September a Good Time to Visit Gabon?

In our opinion, September is a good time to visit Gabon with overall pleasant weather in Libreville.

On average, the best time to visit Gabon is in June, July and August with generally perfect weather in Libreville. The weather in January, February, March, April, May, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Gabon.

Weather and climate has detailed information for every country in the world. Are you going to Gabon? Get detailed historical weather averages for many cities in Gabon.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.