Los Llanos Weather in September

What's the weather like in Los Llanos (Coamo) in September 2024?

The climate in Los Llanos during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in Los Llanos and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 22°C (71°F) is normal.

Los Llanos weather averages (imperial / metric)
Daytime temperature 29.2°C 84.5°F
Nightly temperature 21.9°C 71.3°F
Average temperature 25.5°C 77.9°F
Daily sunshine 8.3 hrs
Avg rainfall 201 mm 7.9 ins
Rainy days 18 days
Sea temperature 29°C 84.2°F
Humidity 79%
Windspeed 14.8kph 9 mph

On average September is the wettest month of the year in Los Llanos with around 201mm 7.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

September temperatures in Los Llanos

Los Llanos average temperature in September

September rainfall

Los Llanos average rain in September

September hourly sunshine

Los Llanos average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Los Llanos in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Los Llanos weather stats

Los Llanos weather statistics
Hottest month: August 29°C 84.2°F
Driest month: March 53mm 2.1ins
Sunniest month: March 9.5hrs
Coldest month: January 25.8°C 78.4°F
Wettest month: September 201mm 7.9ins
Map showing location of Los Llanos (18.05524, -66.40573) Los Llanos map pin © Google

Locations nearby

Top Puerto Rico locations