Weather in Trincomalee in September 2017

Check the weather in Trincomalee in September before you book your next holiday in Sri Lanka. Long-term weather averages give the best indication of the weather in September 2017 and include figures for temperature, sunshine and rainfall plus sunrise & sunset times for Trincomalee, Sri Lanka.

Weather in Trincomalee in September

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

  • 34°C maximum daytime temperature in September in Trincomalee34
    34°C max day temperature
  • 7 hours of sunshine per day (56% of daylight hours) in September in Trincomalee7
    7 hours of sunshine per day
  • 6 days with some rainfall in September in Trincomalee6
    6 days with some rainfall
  • 25°C minimum night-time temperature in September in Trincomalee25
    25°C min night temperature
  • 12 hours of daylight per day in September in Trincomalee12
    12 hours of daylight per day
  • Very high heat & humidity in September in TrincomaleeVH
    Very High heat & humidity
  • 96 mm monthly rainfall in September in Trincomalee96
    96 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Trincomalee11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Trincomalee29
    29°C sea temperature

The average maximum daytime temperature in Trincomalee in September is a hot 34°C (93°F) with very high heat & humidity. There are usually 7 hours of bright sunshine each day, which represents 56% of the 12 hours of daylight. The average sea temperature in and around Trincomalee in September is 29°C (84°F).

Expect 96mm (3.8 inches) of rainfall across the whole of September with 6 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear. The average night-time temperature is usually a warm 25°C (77°F).

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

More about Trincomalee weather

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Trincomalee sunrise & sunset times for September 2017

Browse the sunrise & sunset times for Trincomalee in September 2017. Select a month to view Trincomalee sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st September 2017 05:57 18:13
Saturday, 2nd September 2017 05:57 18:13
Sunday, 3rd September 2017 05:57 18:12
Monday, 4th September 2017 05:56 18:12
Tuesday, 5th September 2017 05:56 18:11
Wednesday, 6th September 2017 05:56 18:10
Thursday, 7th September 2017 05:56 18:10
Friday, 8th September 2017 05:56 18:09
Saturday, 9th September 2017 05:56 18:09
Sunday, 10th September 2017 05:56 18:08
Monday, 11th September 2017 05:56 18:08
Tuesday, 12th September 2017 05:56 18:07
Wednesday, 13th September 2017 05:55 18:06
Thursday, 14th September 2017 05:55 18:06
Friday, 15th September 2017 05:55 18:05
Saturday, 16th September 2017 05:55 18:05
Sunday, 17th September 2017 05:55 18:04
Monday, 18th September 2017 05:55 18:03
Tuesday, 19th September 2017 05:55 18:03
Wednesday, 20th September 2017 05:55 18:02
Thursday, 21st September 2017 05:54 18:02
Friday, 22nd September 2017 05:54 18:01
Saturday, 23rd September 2017 05:54 18:01
Sunday, 24th September 2017 05:54 18:00
Monday, 25th September 2017 05:54 17:59
Tuesday, 26th September 2017 05:54 17:59
Wednesday, 27th September 2017 05:54 17:58
Thursday, 28th September 2017 05:54 17:58
Friday, 29th September 2017 05:54 17:57
Saturday, 30th September 2017 05:53 17:57
  • Book online & save 8% on holidays to Sri Lanka in 2017
  • 1,000's of FREE kids places available + low deposits
  • Travel before 31st October 2017 (inclusive)

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Trincomalee weather by month

Check Trincomalee weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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