Tiruvallam Weather in September

During September, Tiruvallam experiences high daytime temperatures of 29°C (84°F) and cooler nights around 25°C (77°F). September sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Tiruvallam in September

As part of the rainy season, Tiruvallam sees around 8 days of rain in September, with an average of 173 mm (6.8 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.

Temperature in Tiruvallam in September

In September, expect high temperatures in Tiruvallam, with highs of 29°C (84°F) and lows of 25°C (77°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Tiruvallam in September

The area enjoys a moderate level of sunlight, with around 181 hours. It's a good balance between sunny and rainy days.

Wind Speed in Tiruvallam in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

Average water temperature in September

At 27°C (81°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, August and September typically offer the best weather for Tiruvallam.