Hot
Average highs reach 35°C, so days can feel very hot.
September verdict
Good for holiday weather
Average highs reach 35°C, so days can feel very hot. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 41mm, which is relatively low for holiday planning.
Monthly averages
Temp
35°C
Rain
41mm
Sun
7.8h
Sea
30°C
Weather score
69
Good
Hot
Average highs reach 35°C, so days can feel very hot.
Drier
Rainfall averages 41mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Heroica Guaymas, Sonora, Mexico with nearby places by weather score, rain, sun, temperature, and swim conditions.
September35°C average high
September is one of Heroica Guaymas' hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
September41mm average rain
September sits near Heroica Guaymas' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to June and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September7.8 hours average sun
September sits close to Heroica Guaymas' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to June
This stretch has the strongest sunshine in the monthly averages.
September30°C average sea
September is one of Heroica Guaymas' warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
September69 weather score
September scores below Heroica Guaymas' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to June and October to November
These months have the strongest weather score in the monthly averages.