Weather in Negombo in September 2019

  • 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

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

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

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Negombo in September. Check more long-term weather averages for Negombo in September before you book your next holiday to Sri Lanka in 2019/2020.

  • Save on breaks to the Indian Ocean with VIrgin Holidays
  • Book holidays to Maldives, Mauritius, Seychelles & Sri Lanka
  • Filter deals by destination, price, month, rating & more

More about Negombo

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

The September weather guide for Negombo, 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 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. The average night-time temperature is usually a warm 25°C (77°F). There are usually 6 hours of bright sunshine each day, which represents 51% of the 12 hours of daylight.

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 sea temperature in and around Negombo in September is 27°C (81°F).

Negombo sunrise & sunset times for September 2019

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


Date Sunrise times Sunset times
Sunday, 1st September 2019 06:03 18:18
Monday, 2nd September 2019 06:03 18:18
Tuesday, 3rd September 2019 06:03 18:17
Wednesday, 4th September 2019 06:03 18:17
Thursday, 5th September 2019 06:03 18:16
Friday, 6th September 2019 06:03 18:16
Saturday, 7th September 2019 06:02 18:15
Sunday, 8th September 2019 06:02 18:15
Monday, 9th September 2019 06:02 18:14
Tuesday, 10th September 2019 06:02 18:14
Wednesday, 11th September 2019 06:02 18:13
Thursday, 12th September 2019 06:02 18:12
Friday, 13th September 2019 06:01 18:12
Saturday, 14th September 2019 06:01 18:11
Sunday, 15th September 2019 06:01 18:11
Monday, 16th September 2019 06:01 18:10
Tuesday, 17th September 2019 06:01 18:10
Wednesday, 18th September 2019 06:01 18:09
Thursday, 19th September 2019 06:00 18:09
Friday, 20th September 2019 06:00 18:08
Saturday, 21st September 2019 06:00 18:07
Sunday, 22nd September 2019 06:00 18:07
Monday, 23rd September 2019 06:00 18:06
Tuesday, 24th September 2019 06:00 18:06
Wednesday, 25th September 2019 06:00 18:05
Thursday, 26th September 2019 05:59 18:05
Friday, 27th September 2019 05:59 18:04
Saturday, 28th September 2019 05:59 18:04
Sunday, 29th September 2019 05:59 18:03
Monday, 30th September 2019 05:59 18:03
  • Save on luxury holidays & honeymoons with special offers
  • From Bora Bora to Barbados & Maldives to Mexico
  • Filter offers by star rating, destination, board basis & more

Back to top

Popular Sri Lanka destinations

Below are average maximum temperatures at popular destinations in Sri Lanka in September. Select a destination to see more weather parameters.

Destinations search >>

More Sri Lanka destinations

All Sri Lanka destinations >>

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

Related posts

Popular travel offers

Top ^