Nuevo León Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Nuevo León, Mexico in September.

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Monterrey Montemorelos Santiago La Cáscara

Considering a trip to Nuevo León, Mexico this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Nuevo León in September

Nuevo León, Mexico is a region in Mexico. September in Nuevo León generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy.

Temperatures

The average highest temperatures fluctuate between warm in Santiago at 28°C (82°F) to very warm in Montemorelos at 31°C (88°F). Nighttime temperatures generally drop to 20°C (68°F) in Montemorelos and 18°C (64°F) in Santiago. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

For specific regional insights in Nuevo León, Mexico, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Monterrey with an average of 150 mm (5.9 in) to heavy rainfall in La Cáscara with 204 mm (8 in). Based on climate data from the last 30 years, Monterrey receives the most rainfall during this month of the year.

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Monterrey gets approximately 200 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Nuevo León by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Nuevo León

What is the weather like in September for some of the most popular destinations in Nuevo León, Mexico?

Temperature range in Nuevo León (September)

Precipitation variation in Nuevo León (September)

Monterrey

In September Monterrey generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
33°C (91°F)
30°C (86°F)
27°C (81°F)
Min temperature
21°C (70°F)
19°C (66°F)
16°C (61°F)
Monthly sun hours
243 hours
200 hours
171 hours
Monthly rainfall
52 mm (2 in)
150 mm (5.9 in)
76 mm (3 in)
Monthly rainy days
6 days
7 days
5 days
Weather conditions
pleasant
tolerable
perfect
Climate in Monterrey →

Montemorelos

In September Montemorelos generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
35°C (95°F)
31°C (88°F)
28°C (82°F)
Min temperature
21°C (70°F)
20°C (68°F)
16°C (61°F)
Monthly sun hours
243 hours
200 hours
171 hours
Monthly rainfall
62 mm (2.4 in)
186 mm (7.3 in)
88 mm (3.5 in)
Monthly rainy days
6 days
8 days
6 days
Weather conditions
unpleasant
unpleasant
perfect
Climate in Montemorelos →

Santiago

In September Santiago generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
28°C (82°F)
26°C (79°F)
Min temperature
19°C (66°F)
18°C (64°F)
15°C (59°F)
Monthly sun hours
243 hours
200 hours
171 hours
Monthly rainfall
73 mm (2.9 in)
194 mm (7.6 in)
101 mm (4 in)
Monthly rainy days
6 days
8 days
5 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Santiago →

La Cáscara

In September La Cáscara generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
29°C (84°F)
26°C (79°F)
Min temperature
19°C (66°F)
18°C (64°F)
15°C (59°F)
Monthly sun hours
243 hours
200 hours
171 hours
Monthly rainfall
67 mm (2.6 in)
204 mm (8 in)
104 mm (4.1 in)
Monthly rainy days
6 days
7 days
5 days
Weather conditions
pleasant
unpleasant
pleasant
Climate in La Cáscara →

Is your destination not in the list? Have a look at all destinations in Nuevo León, in Mexico.

Popular cities in September

Day & night temperatures, rainfall and average weather in Nuevo León in September.

City Weather Day temp Night temp Rainfall
Monterrey 30°C (86°F) 19°C (66°F) 150 mm (5.9 in)
Montemorelos 31°C (88°F) 20°C (68°F) 186 mm (7.3 in)
Santiago 28°C (82°F) 18°C (64°F) 194 mm (7.6 in)
La Cáscara 29°C (84°F) 18°C (64°F) 204 mm (8 in)

Nuevo León weather in September: frequently asked questions

What is the weather like in Nuevo León, Mexico in September?

September in Nuevo León, Mexico brings unpleasant weather. In Monterrey, daytime temperatures are typically around 30°C (86°F) and nighttime lows hover near 19°C (66°F).

What is the average temperature in Nuevo León, Mexico in September?

Daytime temperatures in Monterrey peak at roughly 30°C (86°F) in September, dropping to about 19°C (66°F) overnight.

Does Nuevo León, Mexico get a lot of rain in September?

Nuevo León, Mexico sees substantial rainfall in September. Monterrey typically averages about 150 mm (5.9 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Nuevo León, Mexico?

In our view, September might not be the best time to travel to Nuevo León, Mexico with often tolerable weather in Monterrey.

Generally speaking, the best visiting conditions can be found in January, February, March, April, October, November and December offering mostly perfect weather in Monterrey. On the other hand, the months of July, August and September tend to have unpleasant weather conditions.

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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