Average weather in September in Cayenne, French Guiana

The average minimum temperature (usually the minimum temperature is noted during the night) in Cayenne in September is 22.0°C (71.6°F). The amount of rain in September is high with an average of 145mm (5.7in). It rains on average a total of 7 days. The average maximum daytime temperature lies around 32.0°C (89.6°F). If you enjoy looking at a blue sky and love the sun than this is a great time to go to Cayenne with 255 hours of sun.


So what to wear in September? Visitors traveling to Cayenne should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages in September

Show in Celsius

Min Temperature 71 °F
Max Temperature 89 °F
Chance of Rain 23%
Precipitation 6 in
Rainy Days 7
Sunshine Hours 255

 

Where to stay in Cayenne

Where to go in French Guiana in September

Find out more about the weather in French Guiana in September and which places have the best weather conditions in this month.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

What To Do

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

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Weather Forecasts for Cayenne

TUE   Dec 06
88°F | 71°F
ESE 5 mph
0.42 in
Moderate rain

Moderate rain

WED   Dec 07
88°F | 71°F
SSE 4 mph
0.19 in
Patchy rain possible

Patchy rain possible

THU   Dec 08
89°F | 70°F
E 4 mph
0.08 in
Patchy rain possible

Patchy rain possible

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Cayenne.

Our site offers climate and forecast data for almost all countries in the world. Are you going to French Guiana? On this website you can find historical weather averages for many cities in French Guiana. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.