Weather in Guayaquil in September 2025
Average weather
Average temperature in Guayaquil in September
Going from a maximum of +93°F during the day to a minimum of +72°F during the night, the temperature in September averages around +88°F.
The average maximum temperature goes down 25% by the end of the month, compared with the beginning of the month, from +91°F to +86°F.
Is Guayaquil warm or cold in September?
Guayaquil is typically warm in September.
Maximum temperatures go up compared to the previous month from +82°F to +82°F. The minimum temperature also goes up from +70°F to +70°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Guayaquil:
Climate in Guayaquil in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +82°F | +82°F | +82°F | ||||
| Min. temperature | ||||||
| +64°F | +64°F | +64°F | ||||
| Max. temperature | ||||||
| +93°F | +93°F | +93°F | ||||
| Rainfall | ||||||
| 74 mm | 84 mm | 64 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 80% | 79% | 78% | ||||
| Air pressure | ||||||
| 1011 HPa | 1011 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 10 | 9 | 13 | ||||
| Rainy days | ||||||
| 20 | 21 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. The temperature levels stay the same in the area of +82°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 74 mm to 84 mm. It feels drier, as humidity decreases from 80% to 79%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Guayaquil is gradually increasing during September, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Guayaquil?
Climate Change Over the Years
The climate in Guayaquil in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1999 (+79°F) and the highest in 2020 (+87°F). The driest year was 1979 with only 773 mm of rainfall, and the wettest year was 1983 with 6140 mm.
FAQ
Is September a good time to visit Guayaquil?
Can you sunbathe in Guayaquil in September?
Is Guayaquil rainy in September?
Is it sunny in Guayaquil in September?
Other cities in Ecuador
Monthly weather in Guayaquil
Source of the data
For this page, we’ve looked at the typical weather in Guayaquil, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.