Arugam Bay Weather in September
September in Arugam Bay averages 32°C (90°F) during the day and 26°C (79°F) at night. Around 41 mm (1.6 in) of rainfall is typical for this time of year.
Rainfall in Arugam Bay in September
Typically, you can expect about 9 days of rain this month, with 41 mm (1.6 in) on average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Arugam Bay in September
Expect highs of 32°C (90°F) in Arugam Bay in September, with nights dropping to around 26°C (79°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Arugam Bay in September
Expect sunny days throughout the month, with an estimated 210 hours of sunshine. This makes it a pleasant time to visit Arugam Bay.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February and August typically offer the best weather for Arugam Bay.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Arugam Bay's climate page.
Arugam Bay Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
32°C (90°F)
Chance of Rain
30%
Precipitation
41 mm (1.6 in)
Rainy days
9 days
Humidity
77% *
Sunshine
210 hours *
Percentage Sunshine
*
Historical weather for Arugam Bay in September
Browse day-by-day weather records for Arugam Bay spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arugam Bay historical weather extremes in September
According to our 19 years of weather records for Arugam Bay, the following extremes were recorded between 2006 and 2025.
- On September 6, 2024, temperatures climbed to 39°C (102°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 27°C (81°F), recorded on September 9, 2006.
- Nighttime temperatures dropped to 24°C (75°F) on September 14, 2017, marking the coldest September night on record.
Best Places in Sri Lanka in September
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in September →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Arugam Bay in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Arugam Bay in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Arugam Bay's climate page.
Temperature Rainfall Sunshine Humidity
See the full Arugam Bay climate overview or explore weather in Sri Lanka.
