Cayenne Weather in September

September in Cayenne brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 24°C (75°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.

Rainfall in Cayenne in September

With the driest weather of the year, this month is ideal for outdoor fun. This month experiences about 4 days of rain according to historical data, averaging 50 mm (2 in). Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in Cayenne in September

If you're visiting Cayenne in September, expect highs of 32°C (90°F) and overnight lows around 24°C (75°F). For most visitors, the main thing to prepare for is the heat during the day. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Cayenne in September

Enjoy a sunny month with about 255 hours of sunshine, the clear skies make Cayenne even more beautiful.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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 French Guiana, check out our Cayenne's climate page.

Cayenne Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 32°C (90°F)  

Chance of Rain 15%  

Precipitation 50 mm (2 in)  

Rainy days 4 days  

Sunshine 255 hours  

Percentage Sunshine  

What to Wear in Cayenne in September

Warm but pleasant conditions in Cayenne in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Cayenne in September

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

8/10

Outdoor sports

8/10

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 French Guiana, check out our Cayenne's climate page.

More climate data for Cayenne

Temperature Rainfall Sunshine

See the full Cayenne climate overview or explore weather in French Guiana.