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Things to Do in Guanacaste and Northwest in September
Real historical weather for Guanacaste and Northwest in September: average highs of 31°C and lows of 24°C, with around 349mm of rain (averaged over the last 3 years).
31°C
Average high
24°C
Average low
349mm
Typical rainfall
Real things to do in Guanacaste and Northwest in September
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Round Trip Guanacaste Lib Airport Private Transportation
★ 5.0(36 reviews)· 1 hr
From €161
Private Tour to Rio Celeste Hike and Flavors of Costa Rica
★ 5.0(13 reviews)· 10 hrs
From €174
La Leona Waterfall & River Tubing Adventure Combo
★ 5.0(2 reviews)· 5 hrs
From €80
Flamingo, Guanacaste All Inclusive Catamaran Snorkel Adventure
★ 4.9(957 reviews)· 4 hrs
From €92
ATV Mountain Tour From Riu Guanacaste or Nuevo Colon
★ 4.9(41 reviews)· 2 hrs
From €87
Guanacaste full day: Explore Nature, horse, sloth and waterfalls
★ 4.9(47 reviews)· 9 hrs
From €161
ATV Off-Road Tour to Guanacaste Beaches, Rivers & Forest
★ 4.9(92 reviews)· 2 hrs
From €103
Guanacaste Snorkel and Sunset Cruise
★ 4.6(94 reviews)· 4 hrs
From €123
Río Celeste Waterfall and Sloth Watching Tour From Guanacaste
★ 4.5(29 reviews)· 6 hrs
From €147
Guanacaste Catamaran Cruise with Open Bar and Hotel Transfers
· 5 hrs
From €151
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FAQs — Guanacaste and Northwest in September
Based on real historical data (averaged over the last 3 years), expect highs around 31°C and lows around 24°C, with roughly 349mm of rain.