Costa RicaThe weather in September in Los Andes
It's hot in September in Los Andes with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 24°C and 25°C.
Looking for sun? September isn’t a good month to be in Los Andes. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Los Andes, Costa Rica. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 35°C in 2014, Los Andes reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 27°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 27°C.
Rainfall amount
In September, there is an average of 324 mm of precipitation, spread over 25 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in September for Los Andes
Click on any day in September to get detailed info about the usual weather on that day in Los Andes. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Los Andes | New York | |
|---|---|---|
| Average temperature | 31°C | 27°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 324 mm | 57 mm |
| Rainy days | 25 days | 9 days |
Start of September
The month of September starts in Los Andes with hot temps, averaging around 32°C during the day and nights around 25°C.
Mid September
By mid-September, daytime temps stay steady at around 32°C, with nights around 25°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Los Andes is around 31°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation.
Find affordable trips to Los Andes
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in Los Andes runs from June to November.
Check out the climate of Los Andes for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Los Andes, Costa Rica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Los Andes
Temperature in September in Los Andes over the years
Precipitation charts
These charts show the average amount of precipitation in September in Los Andes, Costa Rica. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Los Andes
Total precipitation in September in Los Andes over the years
Daily UV index in September in Los Andes
This chart shows the average daily UV index in September in Los Andes, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Los Andes
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Average weather in Los Andes by month
Click on a month below to see detailed weather info for Los Andes. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.