Sinaloa Weather in September

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

Planning a getaway to Sinaloa, Mexico this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Sinaloa in September

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

Temperatures

The average maximum daytime temperatures vary from very warm in Mazatlán at 32°C (90°F) to very hot in Los Mochis at 36°C (97°F). Nighttime temperatures generally drop to 26°C (79°F) in Los Mochis and 26°C (79°F) in Mazatlán. 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 Sinaloa, Mexico, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Los Mochis with an average of 113 mm (4.4 in) to heavy rainfall in Mazatlán with 225 mm (8.9 in). Based on climate data from the last 30 years, Mazatlán receives the most rainfall during this month of the year.

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Mazatlán gets approximately 220 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Sinaloa by month

Best Places to Visit in Sinaloa in September

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

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 Sinaloa

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

Temperature range in Sinaloa (September)

Precipitation variation in Sinaloa (September)

Mazatlán

In September Mazatlán generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
235 hours
220 hours
250 hours
Monthly rainfall
203 mm (8 in)
225 mm (8.9 in)
71 mm (2.8 in)
Monthly rainy days
14 days
12 days
4 days
Weather conditions

Los Mochis

In September Los Mochis generally has extremely high temperatures with maximum daytime temperatures around 36°C (97°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
37°C (99°F)
36°C (97°F)
36°C (97°F)
Min temperature
27°C (81°F)
26°C (79°F)
23°C (73°F)
Monthly rainfall
105 mm (4.1 in)
113 mm (4.4 in)
29 mm (1.1 in)
Monthly rainy days
10 days
7 days
3 days
Weather conditions

Culiacán

In September Culiacán generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
34°C (93°F)
34°C (93°F)
35°C (95°F)
Min temperature
25°C (77°F)
25°C (77°F)
22°C (72°F)
Monthly rainfall
194 mm (7.6 in)
184 mm (7.2 in)
46 mm (1.8 in)
Monthly rainy days
15 days
10 days
4 days
Weather conditions

El Fuerte

In September El Fuerte generally has extremely high temperatures with maximum daytime temperatures around 36°C (97°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
36°C (97°F)
36°C (97°F)
36°C (97°F)
Min temperature
25°C (77°F)
25°C (77°F)
21°C (70°F)
Monthly rainfall
157 mm (6.2 in)
121 mm (4.8 in)
39 mm (1.5 in)
Monthly rainy days
13 days
8 days
3 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Mazatlán 32°C (90°F) 26°C (79°F) 225 mm (8.9 in)
Los Mochis 36°C (97°F) 26°C (79°F) 113 mm (4.4 in)
Culiacán 34°C (93°F) 25°C (77°F) 184 mm (7.2 in)
El Fuerte 36°C (97°F) 25°C (77°F) 121 mm (4.8 in)

Sinaloa weather in September: frequently asked questions

What is the weather like in Sinaloa, Mexico in September?

Expect poor weather across Sinaloa, Mexico in September. The popular destination of Mazatlán averages 32°C (90°F) by day and 26°C (79°F) at night during this month.

What is the average temperature in Sinaloa, Mexico in September?

Daytime temperatures in Mazatlán peak at roughly 32°C (90°F) in September, dropping to about 26°C (79°F) overnight.

Does Sinaloa, Mexico get a lot of rain in September?

Expect plenty of rainfall. Mazatlán records an average of 225 mm (8.9 in) in September, putting it among the wetter months for Sinaloa, Mexico.

Is September a Good Time to Visit Sinaloa, Mexico?

In our opinion, September may not be the ideal time to visit Sinaloa, Mexico due to the typically poor weather in Mazatlán.

Generally speaking, January, February, March, April, November and December provide perfect weather in Mazatlán. On the other hand, the weather in August and September tend to be poor.

Interested in more climate information?

We have much more information about the climate in Sinaloa.

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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