Ganvié Weather in September

September in Ganvié brings high temperatures, with daytime highs of 29°C (84°F) and nights around 24°C (75°F). Quite a bit of rainfall is expected, around 155 mm (6.1 in), so pack an umbrella.

Rainfall in Ganvié in September

The climate data from previous years indicates about 11 days of rain, averaging 155 mm (6.1 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Ganvié in September

Daytime highs in Ganvié in September reach 29°C (84°F), with nights around 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Ganvié in September

The area experiences a moderate amount of sunshine, with approximately 165 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Ganvié in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

With water at 24°C (75°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Ganvié.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Benin, check out our Ganvié's climate page.

Ganvié Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 29°C (84°F)  

Water Temperature 24°C (75°F) *  

Chance of Rain 38%  

Precipitation 155 mm (6.1 in)  

Rainy days 11 days  

Humidity 85% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 165 hours *  

Percentage Sunshine *  

* Data from: Cotonou, Benin (13 KM, 8 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Ganvié typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in September

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Daily Historical Precipitation

49-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Historical weather for Ganvié in September

Browse day-by-day weather records for Ganvié spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Ganvié historical weather extremes in September

Based on weather observations in Ganvié between 2004 and 2025, these are the recorded extremes during September.

• On September 7, 2020, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
• The lowest daytime temperature in September was 25°C (77°F), recorded on September 1, 2005.
• Nighttime temperatures dropped to 20°C (68°F) on September 18, 2020, marking the coldest September night on record.

What to Wear in Ganvié 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). Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 24°C (75°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Ganvié in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Benin, check out our Ganvié's climate page.

More climate data for Ganvié

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Ganvié climate overview or explore weather in Benin.