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San Jose Weather in September
Thinking of visiting San Jose in September? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 25°C (77°F) at night. Heavy showers are common during the rainy season.
Rainfall in San Jose in September
San Jose is in the rainy season in September, with rain on around 16 days and an average of 222 mm (8.7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in San Jose in September
If you're visiting San Jose in September, expect highs of 31°C (88°F) and overnight lows around 25°C (77°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit San Jose. Our weather planner can help you explore destinations with more pleasant weather conditions.
San Jose Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
54%
Precipitation
222 mm (8.7 in)
Rainy days
16 days
San Jose Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Jose - and find the best time to visit.
Best Places in Philippines in September
Find out more about the weather in Philippines and which places have the best travel conditions in this month. See all of Philippines in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in San Jose 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 Jose in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
San Jose 3-Day Forecast
More climate data for San Jose
See the full San Jose climate overview or explore weather in Philippines.
Popular in September
Where to go in September - average daytime high across popular destinations.
Angeles City
31°C (88°F) Manila32°C (90°F) Cebu City31°C (88°F) Mactan30°C (86°F) Puerto Princesa30°C (86°F) Davao City31°C (88°F) Boracay29°C (84°F) Panglao City
30°C (86°F) Bucket list
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