Seeduwa Weather in September

With daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F), September in Seeduwa brings very high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Seeduwa in September

Seeduwa is in the rainy season in September, with rain on around 12 days and an average of 252 mm (9.9 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 Seeduwa in September

September in Seeduwa brings very high temperatures, with highs of 30°C (86°F) and nights around 25°C (77°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Seeduwa in September

You can expect a moderate amount of sunlight, with approximately 189 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

September in Seeduwa has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit Sri Lanka, check out our Seeduwa's climate page.

Seeduwa Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 41%  

Precipitation 252 mm (9.9 in)  

Rainy days 12 days  

Humidity 76% *  

Sunshine 189 hours *  

Percentage Sunshine *  

* Data from: Colombo, Sri Lanka (25 KM, 15 Miles).

What to Wear in Seeduwa in September

Warm but pleasant conditions in Seeduwa in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Seeduwa in September

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Seeduwa's climate page.

More climate data for Seeduwa

Temperature Rainfall Sunshine Humidity

See the full Seeduwa climate overview or explore weather in Sri Lanka.