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.

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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.

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More about Agana

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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.

JanFebMarAprMayJunJulAugSepOctNovDec

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
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