Guayaquil weather in September 2025

Expect 90°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Guayaquil in September. Check more long-term weather averages for Guayaquil in September before you book your next holiday to Ecuador in 2025/2026.

90
90°F max day temperature
3
3 hours of sunshine per day
2
2 days with some rainfall
66
66°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
0.0
0.0 inches of monthly rainfall
11
11+ (Extreme) UV index
70
70°F sea temperature

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The September weather guide for Ecuador (Guayaquil) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

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How hot is it in Guayaquil in September?

Daytime temperatures usually reach 90°F in Guayaquil in September with high heat and humidity, falling to 66°F at night.

How sunny is it in Guayaquil in September?

There are normally 3 hours of bright sunshine each day in Guayaquil in September - that's 22% of daylight hours.

How warm is the sea around Guayaquil in September?

The average sea temperature around Guayaquil in September is 70°F.

Does it ever rain in Guayaquil in September?

There are usually 2 days with some rain in Guayaquil in September and the average monthly rainfall is 0.0 inches.

Guayaquil September sunrise & sunset times

Browse the sunrise and sunset times for Guayaquil in September 2025. Select a month to view Guayaquil sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	06:17	18:21
Monday, 15th September 2025	06:12	18:17
Tuesday, 30th September 2025	06:06	18:13

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Ecuador - quick facts
Time difference	UK -5 to -6 hours
Language(s)	Spanish
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Why visit?	Culture Nature
Tourist info	Ecuador Ministry of Tourism