Marathón Weather in September

Marathón in September averages 30°C (86°F) during the day and 18°C (64°F) at night. Some rainfall is typical for this time of year.

Rainfall in Marathón in September

You can typically expect 2 days of rain this month, averaging around 26 mm (1 in). Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in Marathón in September

Marathón has excellent weather in September, with days reaching 30°C (86°F) and nights cooling to 18°C (64°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Marathón in September

There are approximately 277 hours of sunshine this month, resulting in mostly clear days.

For Marathón itself, April, May, October and November generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.