Search flights, hotels & activities for San Jose
Compare flights, hotels, cars, and activities in one place.
500+airlines & travel sites compared
21,000+routes tracked
€0booking fees from us
Freeprice drop alerts
Things to Do in San Jose in September
Real historical weather for San Jose in September: average highs of 29°C and lows of 15°C, with around 3mm of rain (averaged over the last 3 years). San Jose is in United States.
29°C
Average high
15°C
Average low
3mm
Typical rainfall
Real things to do in San Jose in September
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad

Departure by Minivan from San Jose City to San Jose Airport SJO
★ 5.0(12 reviews)· 45 min
From €44

San Jose Walking Nature Tour: Sloths, Birds and Trees
★ 4.9(1,152 reviews)· 2h 30m
From €31

Arenal Volcano Experience Full-Day Tour from San Jose
★ 4.9(1,587 reviews)· 14 hrs
From €147

Cabo San Lucas and San Jose del Cabo Sightseeing Tour
★ 4.9(1,072 reviews)· 6 hrs
From €85

San Jose: Bites and Sights Walking Food Tour including Markets
★ 4.8(1,907 reviews)· 3h 30m
From €34

San Jose By Night: Sights & Culture Tour with Local Dinner
★ 4.4(254 reviews)· 4 hrs
From €71

Yosemite National Park and Giant Sequoias Tour from San Jose
★ 4.2(88 reviews)· 15 hrs
From €258

Monteverde Cloud Forest Hanging Bridges Tour from San Jose
★ 4.1(98 reviews)· 12 hrs
From €165

Dinner + Typical dance show at the best viewpoint in San José
★ 4.0(23 reviews)· 5 hrs
From €88

Shuttle Service from San José (SJO) to Puerto Viejo, Costa Rica.
★ 4.0(15 reviews)· 6 hrs
From €65
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
Plan the rest of your trip
Continue planning your trip to San Jose
Same destination, real availability — no need to search again.
FAQs — San Jose in September
Based on real historical data (averaged over the last 3 years), expect highs around 29°C and lows around 15°C, with roughly 3mm of rain.