Arugam Bay weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Arugam Bay in September. Check more long-term weather averages for Arugam Bay in September before you book your next holiday to Sri Lanka in 2025/2026.

  • 31°C maximum daytime temperature in September in Arugam Bay31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in September in Arugam Bay9
    9 days with some rainfall
  • 24°C minimum night-time temperature in September in Arugam Bay24
    24°C min night temperature
  • 12 hours of daylight per day in September in Arugam Bay12
    12 hours of daylight per day
  • Very high heat & humidity in September in Arugam BayVH
    Very High heat & humidity
  • 78 mm monthly rainfall in September in Arugam Bay78
    78 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Arugam Bay11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Arugam Bay28
    28°C sea temperature

More about Arugam Bay

Arugam Bay by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Sri Lanka

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The September weather guide for Sri Lanka (Arugam Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Sri Lanka

How hot is it in Arugam Bay in September?

Daytime temperatures usually reach 31°C in Arugam Bay in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in Arugam Bay in September?

There are normally 6 hours of bright sunshine each day in Arugam Bay in September - that's 49% of daylight hours.

How warm is the sea around Arugam Bay in September?

The average sea temperature around Arugam Bay in September is 28°C.

Does it rain in Arugam Bay in September?

There are usually 9 days with some rain in Arugam Bay in September and the average monthly rainfall is 78mm.

Arugam Bay September sunrise & sunset times

Browse the sunrise and sunset times for Arugam Bay in September 2025. Select a month to view Arugam Bay sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:55 18:10
Monday, 15th September 2025 05:53 18:02
Tuesday, 30th September 2025 05:51 17:55

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^