Guayaquil Weather in September
In Guayaquil, September brings high daytime temperatures around 29°C (84°F), with nights cooling to 21°C (70°F). Expect quite a bit of rainfall this month.
Rainfall in Guayaquil in September
Based on our climate data of the past 30 years, about 2 days of rain are anticipated, with 120 mm (4.7 in) on average. On the rare occasion it does rain, the shower can be quite heavy given the low total spread across a single day.
Temperature in Guayaquil in September
September in Guayaquil brings typical temperatures with highs around 29°C (84°F) and lows of 21°C (70°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 21°C (70°F), the nights are warm and generally comfortable.
Sunshine in Guayaquil in September
The area enjoys a balanced 163 hours of sunlight, ensuring it's neither too overcast nor too sunny.
Wind Speed in Guayaquil in September
Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.If your ideal day consists of dry skies and pleasant temperatures, October typically offers the best circumstances for Guayaquil.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ecuador, check out our Guayaquil's climate page.
Guayaquil Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
29°C (84°F)
Chance of Rain
6%
Precipitation
120 mm (4.7 in)
Rainy days
2 days
Humidity
75% *
Windspeed
3 m/s (6 knots) *
Sunshine
163 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Guayaquil typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Guayaquil in September
Browse day-by-day weather records for Guayaquil spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guayaquil historical weather extremes in September
The extremes listed below come from historical weather data collected in Guayaquil from 2015 through 2025.
- Guayaquil recorded its highest September temperature of 34°C (93°F) on September 17, 2024.
- The coldest September day was on September 2, 2025, with a maximum of 26°C (79°F).
- Guayaquil registered its coldest September night on September 13, 2019, with temperatures dropping to 19°C (66°F).
- Peak precipitation in September occurred on September 2, 2025, when 11 mm (0.4 in) of precipitation was measured.
Best Places in Ecuador in September
Find out more about the weather in Ecuador and which places have the best travel conditions in this month. See all of Ecuador in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Guayaquil in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Guayaquil in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ecuador, check out our Guayaquil's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Guayaquil climate overview or explore weather in Ecuador.
