Weather in Negombo in September 2017

Check the weather in Negombo in September based on long-term weather averages before you book your next holiday to Sri Lanka in 2017. Expect daytime temperatures to reach 31°C with on average 6 hours of sunshine per day in Negombo in September.

What is the weather like in Negombo in September?
How hot is Negombo in September? 31°C
How sunny is Negombo in September? 6 sunshine hours/day
How wet is Negombo in September? 187 mm rainfall
How warm is the sea around Negombo in September? 27°C

Weather in Negombo in September

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

  • 31°C maximum daytime temperature in September in Negombo31
    31°C max day temperature
  • 6 hours of sunshine per day (51% of daylight hours) in September in Negombo6
    6 hours of sunshine per day
  • 12 days with some rainfall in September in Negombo12
    12 days with some rainfall
  • 25°C minimum night-time temperature in September in Negombo25
    25°C min night temperature
  • 12 hours of daylight per day in September in Negombo12
    12 hours of daylight per day
  • High heat & humidity in September in NegomboH
    High heat & humidity
  • 187 mm monthly rainfall in September in Negombo187
    187 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Negombo11
    11+ (Extreme) UV index
  • 27°C sea temperature in September in Negombo27
    27°C sea temperature

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

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More about Negombo

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More about Negombo weather in September

The average maximum daytime temperature in Negombo in September is a hot 31°C (88°F) with very high heat & humidity. There are usually 6 hours of bright sunshine each day, which represents 51% of the 12 hours of daylight. The average sea temperature in and around Negombo in September is 27°C (81°F).

Expect 187mm (7.4 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 night-time temperature is usually a warm 25°C (77°F). The weather in Negombo in September is represented by Negombo.

Negombo sunrise & sunset times for September 2017

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st September 2017 06:03 18:18
Saturday, 2nd September 2017 06:03 18:18
Sunday, 3rd September 2017 06:03 18:17
Monday, 4th September 2017 06:03 18:17
Tuesday, 5th September 2017 06:03 18:16
Wednesday, 6th September 2017 06:02 18:15
Thursday, 7th September 2017 06:02 18:15
Friday, 8th September 2017 06:02 18:14
Saturday, 9th September 2017 06:02 18:14
Sunday, 10th September 2017 06:02 18:13
Monday, 11th September 2017 06:02 18:13
Tuesday, 12th September 2017 06:02 18:12
Wednesday, 13th September 2017 06:01 18:12
Thursday, 14th September 2017 06:01 18:11
Friday, 15th September 2017 06:01 18:11
Saturday, 16th September 2017 06:01 18:10
Sunday, 17th September 2017 06:01 18:09
Monday, 18th September 2017 06:01 18:09
Tuesday, 19th September 2017 06:00 18:08
Wednesday, 20th September 2017 06:00 18:08
Thursday, 21st September 2017 06:00 18:07
Friday, 22nd September 2017 06:00 18:07
Saturday, 23rd September 2017 06:00 18:06
Sunday, 24th September 2017 06:00 18:06
Monday, 25th September 2017 05:59 18:05
Tuesday, 26th September 2017 05:59 18:05
Wednesday, 27th September 2017 05:59 18:04
Thursday, 28th September 2017 05:59 18:03
Friday, 29th September 2017 05:59 18:03
Saturday, 30th September 2017 05:59 18:02
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  • 1,000's of FREE kids places available + low deposits
  • Travel before 30th April 2018 (inclusive)

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Negombo weather by month

Check Negombo 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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