Costa Rica in February: Pacific or Caribbean Coast?
Compare Costa Rica weather in February, from dry and sunny Tamarindo to wetter Puerto Viejo, plus Jacó, Arenal and San José.
Monterrey Weather in September
Monterrey in September sees high temperatures, with highs around 29°C (84°F) and overnight lows of 21°C (70°F). With the rainy season in full effect, expect around 301 mm (12 in) of rainfall and regular showers throughout the month.
Rainfall in Monterrey in September
Monterrey is in the rainy season in September, with rain on around 23 days and an average of 301 mm (12 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Monterrey in September
Daytime highs in Monterrey in September reach 29°C (84°F), with nights around 21°C (70°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.September in Monterrey has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Monterrey Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
29°C (84°F)
Chance of Rain
77%
Precipitation
301 mm (12 in)
Rainy days
23 days
Humidity
88% *
* Data from: Los Chiles, Costa Rica (53 KM, 33 Miles).
Monterrey Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Monterrey - and find the best time to visit.
Best Places in Costa Rica in September
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica 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 Monterrey in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in Monterrey in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Monterrey 3-Day Forecast
More climate data for Monterrey
See the full Monterrey climate overview or explore weather in Costa Rica.
Popular in September
Where to go in September - average daytime high across popular destinations.
Tamarindo
30°C (86°F) Cahuita29°C (84°F) Santa Teresa29°C (84°F) Herradura28°C (82°F) Puerto Viejo de Talamanca29°C (84°F) Fortuna29°C (84°F) Jacó28°C (82°F) San José24°C (75°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Costa Rica in February: Pacific or Caribbean Coast?
Where the rain forest meets the ocean
I promise that you will not find a better location, better views, nicer rooms or lovelier staff anywhere in Costa Rica. This place really goes above and beyond.
Exploring Santa Teresa, Costa Rica: A Traveler's Guide
Immerse yourself in the laid-back charm of Santa Teresa, Costa Rica. Discover stunning beaches, vibrant dining spots, unique shops, and diverse activities in our comprehensive guide
Envision Festival
This event happens once a year in Uvita de Puntarenas and attracts people from all over the world. This festival is a must add to your bucket list.