São Tomé weather in September (São Tomé & Príncipe)

Curious about the September weather in São Tomé? This guide provides all the details you need.

In São Tomé the weather in September is generally perfect, with high temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 27°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 24°C.

São Tomé in September usually receives moderate rainfall, averaging around 65 mm for the month. When we look at the climate data from the last 30 years, we can expect around 14 days of rain.

The area enjoys a balanced 121 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. June, July, August and September generally stand out with the best circumstances. While November tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized São Tomé climate page with graphs.

 

São Tomé, monthly averages in September

Min Temperature 24°C  

Max Temperature 27°C  

Chance of Rain 46%  

Precipitation 65 mm  

Rainy days 14 days  

Humidity 80%  

Sunshine 121 hours  

Percentage Sunshine  

Where to go in São Tomé & Príncipe in September

Find out more about the weather in São Tomé & Príncipe in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in São Tomé in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

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

Swimming

7/10

Cycling

8/10

Walking

8/10

Camping

8/10

Outdoor sports

8/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to São Tomé & Príncipe? On this website you can find historical weather averages for many cities in São Tomé & Príncipe. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.