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Sonora weather in September

Are you planning a trip to Sonora in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Sonora in September?

Sonora is a region in Mexico. September in Sonora generally has very warm temperatures, with precipitation levels ranging from low to high. In September, it is summer.

The average maximum temperatures are very warm and range from 31°C in Nogales to 38°C in Ciudad Obregón. Nighttime temperatures generally drop to 26°C in Ciudad Obregón and 15°C in Nogales. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

In September, precipitation varies across different areas. From low rainfall in Puerto Peñasco with an average of 9.3 mm to high rainfall in Álamos with 128 mm.

For a closer look at September's conditions in Sonora, see the map below. For a more detailed look at Sonora's yearly weather, check out our Sonora climate page.

Where to go in Sonora in September

Find more information for the most popular destinations in the Sonora on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Sonora?

Puerto Peñasco

In September Puerto Peñasco generally has very high temperatures with maximum daytime temperatures around 34°C, minimum nighttime temperatures around 28°C and low monthly rainfall. So on average the conditions are pleasant that month.

Puerto Peñasco
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
35°C 
30°C 
7.4 mm 
3 days 
34°C 
28°C 
9.3 mm 
2 days 
October   >> October
>>  
30°C 
23°C 
8.4 mm 
1 day 
Climate in Puerto Peñasco

Hermosillo

In September Hermosillo generally has very high temperatures with maximum daytime temperatures around 38°C, minimum nighttime temperatures around 25°C and moderate monthly rainfall. So on average the conditions are poor that month.

Hermosillo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
39°C 
27°C 
282 hours 
60 mm 
8 days 
poor 
38°C 
25°C 
238 hours 
59 mm 
4 days 
poor 
October   >> October
>>  
35°C 
19°C 
261 hours 
22 mm 
2 days 
Climate in Hermosillo

Nogales

In September Nogales generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 15°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Nogales
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
33°C 
18°C 
91 mm 
18 days 
31°C 
15°C 
66 mm 
12 days 
October   >> October
>>  
28°C 
9°C 
15 mm 
4 days 
Climate in Nogales

San Carlos

In September San Carlos generally has very high temperatures with maximum daytime temperatures around 34°C, minimum nighttime temperatures around 28°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

San Carlos
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
35°C 
29°C 
32 mm 
7 days 
34°C 
28°C 
69 mm 
3 days 
October   >> October
>>  
32°C 
24°C 
19 mm 
2 days 
Climate in San Carlos

Ciudad Obregón

In September Ciudad Obregón generally has very high temperatures with maximum daytime temperatures around 38°C, minimum nighttime temperatures around 26°C and moderate monthly rainfall. So on average the conditions are poor that month.

Ciudad Obregón
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
39°C 
27°C 
92 mm 
8 days 
poor 
38°C 
26°C 
88 mm 
4 days 
poor 
October   >> October
>>  
37°C 
21°C 
29 mm 
2 days 
Climate in Ciudad Obregón

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

Is September the best time to visit Sonora?

Given the typically pleasant weather conditions in Puerto Peñasco, September might be a good time to visit Sonora.

Generally speaking, January, February, March, April, May, June, October, November and December provide perfect weather in Puerto Peñasco. In contrast, August tends to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Sonora. Interested in the weather conditions in a specific month? Select the month below.

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  • 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 climate conditions. Find out where to go with our weather planner.