Santo Tomas Weather in September

September in Santo Tomas brings very high temperatures around 32°C (90°F) during the day, dropping to 23°C (73°F) at night, and as part of the rainy season, heavy rainfall is common.

Rainfall in Santo Tomas in September

As part of the rainy season, Santo Tomas sees around 16 days of rain in September, with an average of 189 mm (7.4 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Santo Tomas in September

Expect highs of 32°C (90°F) in Santo Tomas in September, with nights dropping to around 23°C (73°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 23°C (73°F), evenings stay pleasantly warm.

Sunshine in Santo Tomas in September

With approximately 215 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.

Wind Speed in Santo Tomas in September

September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

September in Santo Tomas can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
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For a detailed overview over the year and the best time to visit Peru, check out our Santo Tomas's climate page.

Santo Tomas Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 32°C (90°F)  

Chance of Rain 55%  

Precipitation 189 mm (7.4 in)  

Rainy days 16 days  

Humidity 78% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 215 hours *  

Percentage Sunshine *  

* Data from: Iquitos, Peru (11 KM, 7 Miles).

What to Wear in Santo Tomas in September

Warm but pleasant conditions in Santo Tomas 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Santo Tomas in September

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

Swimming

8/10

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 Peru, check out our Santo Tomas's climate page.

More climate data for Santo Tomas

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Santo Tomas climate overview or explore weather in Peru.