Temperatures in September
It's warm in September in San Andrés with an average temperature of 27°C. Temperatures this month range from a low of 25°C to a high of 28°C. At night, you can expect temperatures between 15°C and 16°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Andrés in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in San Andrés with hot temperatures, averaging around 27°C during the day and nights close to 16°C. Plenty of days with a chance of precipitation.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-September
By mid-September, the average daytime temperature stays the same at 27°C, with nights close to 16°C. The chance of precipitation is high during this period.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in San Andrés will be around 27°C, with nights close to 16°C. There’s a significant chance of many days with precipitation.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in September
In September, there is an average of 311 mm of precipitation, spread over 26 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
With an average precipitation chance of 86% this month, rainy days are almost inevitable.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for San Andrés. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
San Andrés in September |
UK | ||
|---|---|---|---|
 Average Temperature |
27°C | 20°C | |
 High Temp |
28°C | 22°C | |
| Low Temp |
25°C | 17°C | |
 Total Precipitation |
311 mm | 44 mm | |
| Rainy Days |
26 days | 8 days | |
August
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.
Is September a good time to visit San Andrés?
After some sun? Then September isn’t the best time to be in San Andrés. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in San Andrés runs from June to November.
Temperature records for San Andrés in September
With 35°C, San Andrés hit the highest temperature in the last 10 years in September 2014. The lowest daytime temperature in this month was 17°C in 2021. The extreme night temperatures ranged from a low of 6°C to a high of 22°C.
Check out the climate of San Andrés for all months and discover the best travel time
Daily Temperature in September in San Andrés
This chart shows the average daily temperatures, both day and night, for each day in September in San Andrés, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in San Andrés
The chart below shows the average daily precipitation in September for San Andrés, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 26 days of rain in San Andrés.
Daily UV Index in September in San Andrés
This chart shows the average daily UV index in September in San Andrés, 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.
Temperature in September in San Andrés Over the Years
This chart shows the average temperature in September in San Andrés, measured in degrees Celsius, over the past years.
Total Precipitation in September in San Andrés Over the Years
This chart shows the average precipitation in September in San Andrés, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for San Andrés
Click on a specific day in September for detailed info on the typical weather on that day in San Andrés. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in San Andrés
Have you been to San Andrés in September?
Share your weather experience in September in San Andrés.
Average Weather in San Andrés by Month
Click on a month below to see detailed weather info for San Andrés. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Andrés for all months at once
