ClimateForecastSeptemberOctober >>

Hermosillo weather in September (Sonora, Mexico)

What can you expect from the weather in Hermosillo during September? Check out this comprehensive weather guide.

In September, Hermosillo typically experiences very high temperatures and moderate rainfall. Daytime temperatures hover around 38°C, while nights can cool down to about 25°C.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.

Hermosillo in September usually receives moderate rainfall, averaging around 59 mm for the month. Typically around 4 days of rainfall is expected.

With around 238 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Hermosillo. January, February, March, April, November and December typically offer the most optimal weather. In contrast, July, August and September tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Hermosillo climate page with graphs.

 

Hermosillo, monthly averages in September

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 38°C  
Chance of RainChance of Rain 12%  
PrecipitationPrecipitation 59 mm  
Rainy daysRainy days 4 days  
HumidityHumidity 48%  
SunshineSunshine 238 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Mexico in September

Find out more about the weather in Mexico in September and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
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).

So, what should you wear in Hermosillo in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
10/10
Camping
8/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Hermosillo.

Our site offers climate and forecast data for every country in the world. Are you going to Mexico? On this website you can find 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.