San Juan Weather in September

September in San Juan sees daytime temperatures around 30°C (86°F) and lows of 25°C (77°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in San Juan in September

As part of the rainy season, San Juan sees around 19 days of rain in September, with an average of 422 mm (17 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in San Juan in September

If you're visiting San Juan in September, expect highs of 30°C (86°F) and overnight lows around 25°C (77°F). This kind of day-to-night contrast is typical for this time of year. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

September in San Juan 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 Philippines, check out our San Juan's climate page.

San Juan Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 63%  

Precipitation 422 mm (17 in)  

Rainy days 19 days  

Humidity 92% *  

* Data from: Baguio, Philippines (39 KM, 24 Miles).

What to Wear in San Juan in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!

What To Do in San Juan in September

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

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 Philippines, check out our San Juan's climate page.

More climate data for San Juan

Temperature Rainfall Humidity

See the full San Juan climate overview or explore weather in Philippines.