Trinity Weather in September

September in Trinity averages 17°C (63°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 116 mm (4.6 in) on average. An umbrella is a good idea.

Rainfall in Trinity in September

Historically, the month has about 13 days of rain, averaging 116 mm (4.6 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Trinity in September

Daytime highs in Trinity in September reach 17°C (63°F), with nights around 10°C (50°F). The summer season takes place during September. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 10°C (50°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

For Trinity itself, July and August 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.