Uppuveli Weather in September

During September, Uppuveli experiences very high daytime temperatures of 33°C (91°F) and cooler nights around 26°C (79°F). Expect quite a bit of rainfall. Around 69 mm (2.7 in) is typical.

Rainfall in Uppuveli in September

Based on our climate data of the past 30 years, about 6 days of rain are anticipated, with 69 mm (2.7 in) on average. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Uppuveli in September

Expect highs of 33°C (91°F) in Uppuveli in September, with nights dropping to around 26°C (79°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in Uppuveli in September

Expect sunny days throughout the month, with an estimated 234 hours of sunshine. This makes it a pleasant time to visit Uppuveli.

Wind Speed in Uppuveli in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in September

The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

For Uppuveli itself, February generally stands 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.

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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 Uppuveli's climate page.

Uppuveli Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 33°C (91°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 21%  

Precipitation 69 mm (2.7 in)  

Rainy days 6 days  

Humidity 63% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 234 hours *  

Percentage Sunshine *  

* Data from: Trincomalee, Sri Lanka (3 KM, 2 Miles).

What to Wear in Uppuveli in September

Pack for serious heat in Uppuveli in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Uppuveli in September

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

Swimming

9/10

Cycling

8/10

Walking

8/10

Camping

7/10

Outdoor sports

8/10

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 Uppuveli's climate page.

More climate data for Uppuveli

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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