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MexicoThe weather in September in Hermosillo
It's hot in September in Hermosillo with an average temperature of 37°C. Temperatures this month range from a low of 36°C to a high of 39°C. At night, you can expect temperatures between 23°C and 26°C.
September isn’t a good month to be in Hermosillo. The average temperature of 37°C this month is uncomfortably hot for a comfortable stay.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Hermosillo, Mexico. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 46°C in 2020, Hermosillo reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 31°C.
Rainfall amount
In September, there is an average of 81 mm of precipitation, spread over 11 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in September for Hermosillo
Click on any day in September to get detailed info about the usual weather on that day in Hermosillo. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Hermosillo | New York | |
|---|---|---|
| Average temperature | 37°C | 27°C |
| Max. temperature | 39°C | 31°C |
| Min. temperature | 23°C | -5°C |
| Total precipitation | 81 mm | 57 mm |
| Rainy days | 11 days | 9 days |
Start of September
The month of September starts in Hermosillo with hot temps, averaging around 38°C during the day and nights around 26°C.
Mid September
By mid-September, daytime temps stay steady at around 38°C, with nights around 26°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Hermosillo is around 37°C, while nighttime temps are about 24°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Hermosillo for all months and discover the best travel time
Curious about the weather in other parts of Mexico? Check out the climate and weather for spots like Cancún, Mexico City, Playa del Carmen, or explore other destinations in Mexico.
Temperature charts
These charts show the average temperatures in September in Hermosillo, Mexico. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Hermosillo
Temperature in September in Hermosillo over the years
Precipitation charts
These charts show the average amount of precipitation in September in Hermosillo, Mexico. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Hermosillo
Total precipitation in September in Hermosillo over the years
Daily UV index in September in Hermosillo
This chart shows the average daily UV index in September in Hermosillo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Hermosillo
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Average weather in Hermosillo by month
Click on a month below to see detailed weather info for Hermosillo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.