Average Weather during September in Katunayaka (Gampaha District), Sri Lanka

The average minimum temperature (usually the minimum temperature is noted during the night) in Katunayaka in September is 24.0°C (75.2°F). September falls in the rainy season with an average precipitation of 236mm (9.3in). The average maximum temperature lies around 30.0°C (86°F). During the night it can be very warm and sticky. With a water temperature of around 28.0°C (82.4°F), this is a great month to swim. You will see the sun occasionally during this month, it has 189 hours of sun.

So what to wear in September? Visitors traveling to Katunayaka should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts and or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go here.

For other monthly weather averages and what to do in September look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 24 °C
Max Temperature 30 °C
Water Temperature 28 °C
Chance of Rain 57%
Precipitation 236mm
Rainy Days 17
Sunshine Hours 189

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

More Climate Information For Katunayaka

Weather and Climate offers all the information you need to know about the climate in Katunayaka.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Sri Lanka and climate and forecast data for all other countries in the world.