Agana weather in September 2023

  • 31°C maximum daytime temperature in September in Agana31
    31°C max day temperature
  • 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
  • Explore top offers on direct flights from the UK
  • Filter destinations by price, trip type, flight time & more
  • Choose a destination to see cheapest fares & airlines

Recommended for Guam

The September weather guide for Guam, represented by Agana, (Agana) 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.

  • Top deals & discounts
  • Agana weather overview
  • Agana climate averages by month
  • More destinations
  • Best time to go to Agana
  • Agana 5-day weather forecast

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

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

Back to top

How hot is it in Agana in September?

Daytime temperatures usually reach 31°C in Agana in September with very high heat and humidity, falling to 25°C at night.

How sunny is it in Agana in September?

There are normally 5 hours of bright sunshine each day in Agana in September - that's 38% of daylight hours.

How warm is the sea around Agana in September?

The average sea temperature around Agana in September is 29°C.

Does it rain in Agana in September?

There are usually 19 days with some rain in Agana in September and the average monthly rainfall is 343mm.

What is the chance of a typhoon in Agana in September?

On average 2.3 days in September in Agana are likely to be affected by the passage of one or more tropical storms.

Agana September sunrise & sunset times

Browse the sunrise and sunset times for Agana in September 2023. Select a month to view Agana sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Friday, 1st September 2023 06:10 18:33
Friday, 15th September 2023 06:10 18:23
Saturday, 30th September 2023 06:10 18:12

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.