Weather in Unawatuna in September 2019

  • 29°C maximum daytime temperature in September in Unawatuna29
    29°C max day temperature
  • 6 hours of sunshine per day (49% of daylight hours) in September in Unawatuna6
    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

Going to Unawatuna? Find the best month to visit Unawatuna based on the weather.

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Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Unawatuna in September. Check more long-term weather averages for Unawatuna in September before you book your next holiday to Sri Lanka in 2019/2020.

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More about Unawatuna

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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.

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

Guide to Unawatuna weather in September

The average maximum daytime temperature in Unawatuna in September is a warm 29°C (84°F) with high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 6 hours of bright sunshine each day, which represents 49% of the 12 hours of daylight.

Expect 249mm (9.8 inches) of rainfall across the whole of September with 12 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Unawatuna in September is 28°C (82°F).

Unawatuna sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Unawatuna in September 2019. Select a month to view Unawatuna sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Sunday, 1st September 2019 06:02 18:16
Monday, 2nd September 2019 06:02 18:15
Tuesday, 3rd September 2019 06:02 18:15
Wednesday, 4th September 2019 06:02 18:14
Thursday, 5th September 2019 06:02 18:14
Friday, 6th September 2019 06:01 18:14
Saturday, 7th September 2019 06:01 18:13
Sunday, 8th September 2019 06:01 18:13
Monday, 9th September 2019 06:01 18:12
Tuesday, 10th September 2019 06:01 18:11
Wednesday, 11th September 2019 06:01 18:11
Thursday, 12th September 2019 06:00 18:10
Friday, 13th September 2019 06:00 18:10
Saturday, 14th September 2019 06:00 18:09
Sunday, 15th September 2019 06:00 18:09
Monday, 16th September 2019 06:00 18:08
Tuesday, 17th September 2019 05:59 18:08
Wednesday, 18th September 2019 05:59 18:07
Thursday, 19th September 2019 05:59 18:07
Friday, 20th September 2019 05:59 18:06
Saturday, 21st September 2019 05:59 18:06
Sunday, 22nd September 2019 05:58 18:05
Monday, 23rd September 2019 05:58 18:05
Tuesday, 24th September 2019 05:58 18:04
Wednesday, 25th September 2019 05:58 18:04
Thursday, 26th September 2019 05:58 18:03
Friday, 27th September 2019 05:58 18:03
Saturday, 28th September 2019 05:57 18:02
Sunday, 29th September 2019 05:57 18:02
Monday, 30th September 2019 05:57 18:01
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