Temperature in Nuevo León in September

Daytime highs, nighttime lows and the warmest cities in Nuevo León, Mexico this September.

Nuevo León, Mexico, a region in Mexico, experiences maximum daytime temperatures in September ranging from 28°C (82°F) in Santiago to 31°C (88°F) in Montemorelos. Nighttime temperatures generally drop to 20°C (68°F) in Montemorelos and 18°C (64°F) in Santiago.

What is the temperature of the different cities in Nuevo León, Mexico in September?

Find the average daytime temperatures in September for the most popular destinations in Nuevo León on the map below. Click on a destination dot for more detailed information.

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Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Nuevo León, check out our Nuevo León's climate page.

See also: Nuevo León weather by month.

Best Places to Visit in Nuevo León in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Nuevo León.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Nuevo León

Nuevo León temperatures in September: frequently asked questions

How hot does it get in Nuevo León, Mexico in September?

Expect daytime temperatures around 30°C (86°F) in Monterrey. That makes September a high month for Nuevo León, Mexico.

How cold does it get at night in Nuevo León, Mexico in September?

Average overnight lows in Nuevo León, Mexico during September sit near 19°C (66°F) in Monterrey.

What is the warmest city in September in Nuevo León, Mexico?

Based on our systematic data collection, Montemorelos has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 31°C (88°F), while at night it goes down to an approximate temperature of 20°C (68°F).

What is the coldest city in September in Nuevo León, Mexico?

When looking through our records, we find that Santiago stands out as the coolest city in Nuevo León, Mexico for the month of September. Daytime highs average 28°C (82°F) and it cools down to about 18°C (64°F) at night.

How much sun does Nuevo León, Mexico get in September?

Monterrey usually sees around 200 hours of sunlight, indicating many sunny days.

Interested in more climate information?

We have much more information about the climate in Nuevo León.

Weather and climate has detailed information for every country in the world. Are you going to Mexico? Get detailed historical weather averages for many cities in Mexico.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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