Unawatuna weather in September 2021

Get the latest coronavirus (Covid-19) updates for Sri Lanka with current travel advice and statistics on new cases per 100,000 and vaccine.

  • 29°C maximum daytime temperature in September in Unawatuna29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Unawatuna12
    12 days with some rainfall
  • 24°C minimum night-time temperature in September in Unawatuna24
    24°C min night temperature
  • 12 hours of daylight per day in September in Unawatuna12
    12 hours of daylight per day
  • High heat & humidity in September in UnawatunaH
    High heat & humidity
  • 249 mm monthly rainfall in September in Unawatuna249
    249 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Unawatuna11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Unawatuna28
    28°C sea temperature

Recommended for Sri Lanka

  • Top deals & discounts
  • Unawatuna weather overview
  • Unawatuna climate averages by month
  • More destinations
  • Best time to go to Unawatuna
  • Unawatuna 5-day weather forecast

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

The September weather guide for Unawatuna, Sri Lanka 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.

  • Explore latest special offers & online deals from TUI
  • Book summer & winter sun holidays in 2021/2022
  • Free child places & £0 deposits with Direct Debit

TUITUI deal finder

How hot is it in Unawatuna in September?

Daytime temperatures usually reach 29°C in Unawatuna in September with high heat and humidity, falling to 24°C at night.

How sunny is it in Unawatuna in September?

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

How warm is the sea around Unawatuna in September?

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

Does it rain in Unawatuna in September?

There are usually 12 days with some rain in Unawatuna in September and the average monthly rainfall is 249mm.

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

Back to top

Unawatuna sunrise & sunset times for September 2021

Browse the sunrise and sunset times for Unawatuna in September 2021. Select a month to view Unawatuna sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:02 18:16
Wednesday, 15th September 2021 06:00 18:09
Thursday, 30th September 2021 05:57 18:01
  • Explore latest special offers & online deals from TUI
  • Book summer & winter sun holidays in 2021/2022
  • Free child places & £0 deposits with Direct Debit

TUITUI deal finder

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.