Guam weather in September (Micronesia)
What should you pack for a trip to Guam in September? Find all the essential weather information for this month in our guide.
Temperatures
In September, Guam tends to experience high temperatures and heavy rainfall. Daytime temperatures are expected to be around 30°C, cooling off to about 26°C at night. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.
Precipitation
Guam in September falls under the rainy season with heavy rainfall, averaging around 338 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 19 days of the month will see rainfall.Average sunshine
The area enjoys a moderate level of sunlight, with around 133 hours. It's a good balance between sunny and cloudy days.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Guam. January, February, March, April and May typically offer the best circumstances. While July, August, September and October tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Guam climate page with graphs.
Guam, monthly averages in September
Min Temperature
26°C
Max Temperature
30°C
Chance of Rain
63%
Precipitation
338 mm
Rainy days
19 days
Sunshine
133 hours
Percentage Sunshine
Where to go in Micronesia in September
Find out more about the weather in Micronesia and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Guam.
Our site offers climate and forecast data for every country in the world. Are you going to Micronesia? On this website you can find historical weather averages for many cities in Micronesia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
