Weather in Agana in September 2019

  • 31°C maximum daytime temperature in September in Agana31
    31°C max day temperature
  • 5 hours of sunshine per day (38% of daylight hours) in September in Agana5
    5 hours of sunshine per day
  • 19 days with some rainfall in September in Agana19
    19 days with some rainfall
  • 25°C minimum night-time temperature in September in Agana25
    25°C min night temperature
  • 12 hours of daylight per day in September in Agana12
    12 hours of daylight per day
  • Very high heat & humidity in September in AganaVH
    Very High heat & humidity
  • 343 mm monthly rainfall in September in Agana343
    343 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Agana11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Agana29
    29°C sea temperature

Going to Agana? Find the best month to visit Agana 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 5 hours of sunshine per day in Agana in September. Check more long-term weather averages for Agana in September before you book your next holiday to Guam in 2019/2020.

  • Search Momondo for cheap flights to Guam
  • Find the best prices & flight routes from top airlines
  • Compare leading flight offers before booking online

More about Agana

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

The September weather guide for Agana, Guam 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 Agana weather in September

The average maximum daytime temperature in Agana 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 5 hours of bright sunshine each day, which represents 38% of the 12 hours of daylight.

Expect 343mm (13.5 inches) of rainfall across the whole of September with 19 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 Agana in September is 29°C (84°F).

Agana sunrise & sunset times for September 2019

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


Date Sunrise times Sunset times
Sunday, 1st September 2019 06:10 18:33
Monday, 2nd September 2019 06:10 18:32
Tuesday, 3rd September 2019 06:10 18:31
Wednesday, 4th September 2019 06:10 18:31
Thursday, 5th September 2019 06:10 18:30
Friday, 6th September 2019 06:10 18:29
Saturday, 7th September 2019 06:10 18:29
Sunday, 8th September 2019 06:10 18:28
Monday, 9th September 2019 06:10 18:27
Tuesday, 10th September 2019 06:10 18:26
Wednesday, 11th September 2019 06:10 18:26
Thursday, 12th September 2019 06:10 18:25
Friday, 13th September 2019 06:10 18:24
Saturday, 14th September 2019 06:10 18:23
Sunday, 15th September 2019 06:10 18:23
Monday, 16th September 2019 06:10 18:22
Tuesday, 17th September 2019 06:10 18:21
Wednesday, 18th September 2019 06:10 18:21
Thursday, 19th September 2019 06:10 18:20
Friday, 20th September 2019 06:10 18:19
Saturday, 21st September 2019 06:10 18:18
Sunday, 22nd September 2019 06:10 18:18
Monday, 23rd September 2019 06:10 18:17
Tuesday, 24th September 2019 06:10 18:16
Wednesday, 25th September 2019 06:10 18:15
Thursday, 26th September 2019 06:10 18:15
Friday, 27th September 2019 06:10 18:14
Saturday, 28th September 2019 06:10 18:13
Sunday, 29th September 2019 06:10 18:13
Monday, 30th September 2019 06:10 18:12
  • Find cheap flights to Guam with Skyscanner
  • Search by departure airport to find best airline routes
  • Enter exact dates, months or find the cheapest month

Back to top

More Guam destinations

All Guam 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 ^