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MexicoThe weather in September in San Sebastián de las Grutas
It's warm in September in San Sebastián de las Grutas with an average temperature of 27°C. Temperatures this month range from a low of 26°C to a high of 29°C. At night, you can expect temperatures between 15°C and 16°C.
Looking for sun? September isn’t a good month to be in San Sebastián de las Grutas. 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 San Sebastián de las Grutas, Mexico. 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 33°C in 2021, San Sebastián de las Grutas reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 21°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 19°C.
Rainfall amount
In September, there is an average of 233 mm of precipitation, spread over 25 days. The wind speed is around 3 Bft, mostly coming from the East.
Daily weather in September for San Sebastián de las Grutas
Click on any day in September to get detailed info about the usual weather on that day in San Sebastián de las Grutas. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| San Sebastián de las Grutas | New York | |
|---|---|---|
| Average temperature | 27°C | 27°C |
| Max. temperature | 29°C | 31°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 233 mm | 57 mm |
| Rainy days | 25 days | 9 days |
Start of September
The month of September starts in San Sebastián de las Grutas with hot temps, averaging around 28°C during the day and nights around 16°C.
Mid September
By mid-September, daytime temps stay steady at around 28°C, with nights around 16°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in San Sebastián de las Grutas is around 28°C, while nighttime temps are about 16°C. There’s a significant chance of many days with precipitation.
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.
Curious about the weather in other parts of Mexico? Check out the climate and weather for spots like Cancún, Mexico City, Playa del Carmen, or explore other destinations in Mexico.
Temperature charts
These charts show the average temperatures in September in San Sebastián de las Grutas, Mexico. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in San Sebastián de las Grutas
Temperature in September in San Sebastián de las Grutas over the years
Precipitation charts
These charts show the average amount of precipitation in September in San Sebastián de las Grutas, Mexico. 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 San Sebastián de las Grutas
Total precipitation in September in San Sebastián de las Grutas over the years
Daily UV index in September in San Sebastián de las Grutas
This chart shows the average daily UV index in September in San Sebastián de las Grutas, 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 San Sebastián de las Grutas
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Average weather in San Sebastián de las Grutas by month
Click on a month below to see detailed weather info for San Sebastián de las Grutas. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.