The weather in September in San Francisco el Grande

It's hot in September in San Francisco el Grande with an average temperature of 33°C. Temperatures this month range from a low of 32°C to a high of 35°C. At night, you can expect temperatures between 24°C and 26°C.

Looking for sun? September isn’t a good month to be in San Francisco el Grande. 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 Francisco el Grande, 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 40°C in 2019, San Francisco el Grande reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 18°C to a highest value of 28°C.

Rainfall amount

In September, there is an average of 237 mm of precipitation, spread over 24 days. The wind speed is around 3 Bft, mostly coming from the Southeast.

Daily weather in September for San Francisco el Grande

Click on any day in September to get detailed info about the usual weather on that day in San Francisco el Grande. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  San Francisco el Grande New York
Average temperature 33°C 27°C
Max. temperature 35°C 31°C
Min. temperature 24°C -5°C
Total precipitation 237 mm 57 mm
Rainy days 24 days 9 days

Start of September

The month of September starts in San Francisco el Grande with hot temps, averaging around 34°C during the day and nights around 26°C.

Mid September

By mid-September, daytime temps stay steady at around 34°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 San Francisco el Grande is around 33°C, while nighttime temps are about 25°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.

Check out the climate of San Francisco el Grande for all months and discover the best travel time

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 Francisco el Grande, 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 Francisco el Grande

Temperature in September in San Francisco el Grande over the years

Precipitation charts

These charts show the average amount of precipitation in September in San Francisco el Grande, 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 Francisco el Grande

Total precipitation in September in San Francisco el Grande over the years

Daily UV index in September in San Francisco el Grande

This chart shows the average daily UV index in September in San Francisco el Grande, 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 Francisco el Grande

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Average weather in San Francisco el Grande by month

Click on a month below to see detailed weather info for San Francisco el Grande. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.