Bajo Negro
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Bajo Negro Weather in September

Bajo Negro in September sees high temperatures, with highs around 29°C (84°F) and overnight lows of 25°C (77°F). With the rainy season in full effect, expect around 362 mm (14 in) of rainfall and regular showers throughout the month.

Rainfall in Bajo Negro in September

As part of the rainy season, Bajo Negro sees around 23 days of rain in September, with an average of 362 mm (14 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Bajo Negro in September

In September, Bajo Negro gets high temperatures, with highs of 29°C (84°F). Nights cool to around 25°C (77°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Bajo Negro in September

With about 159 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

Wind Speed in Bajo Negro in September

September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

September in Bajo Negro 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.

Bajo Negro Temperature in September

Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
75%
Precipitation
362 mm (14 in)
Rainy days
23 days
Windspeed
1 m/s (2 knots) *
Sunshine
159 hours *
Percentage Sunshine
*
* Data from: Puntarenas, Costa Rica (15 KM, 9 Miles).

Bajo Negro Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bajo Negro - 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 Bajo Negro 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! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Bajo Negro in September

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

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Bajo Negro 3-Day Forecast

More climate data for Bajo Negro

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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