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Micronesia is a group of more than 600 beautiful, tropical, volcanic and forested islands. On the islands you will find a lot of untouched nature with waterfalls and mountains.
Yepan Weather in September
In Yepan, September brings high daytime temperatures around 30°C (86°F), with nights cooling to 26°C (79°F). It is the driest month of the year, with minimal rainfall.
Rainfall in Yepan in September
As part of the rainy season, Yepan sees around 21 days of rain in September, with an average of 267 mm (11 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea. This is the driest month of the year.
Temperature in Yepan in September
If you're visiting Yepan in September, expect highs of 30°C (86°F) and overnight lows around 26°C (79°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.For more travel ideas, our weather planner can help you explore destinations around the world.
Yepan Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
68%
Precipitation
267 mm (11 in)
Rainy days
21 days
Yepan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Yepan - and find the best time to visit.
Historical weather records for Yepan in September
Browse day-by-day weather records for Yepan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yepan historical weather extremes in September
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Yepan.
- The hottest September day on record in Yepan reached 33°C (91°F) (September 4, 2009).
- On September 2, 2009, Yepan saw its coldest September day with temperatures maxing out at 27°C (81°F).
- Yepan registered its coldest September night on September 5, 2022, with temperatures dropping to 19°C (66°F).
- The heaviest September precipitation occurred on September 9, 2025, when 120 mm (4.7 in) of precipitation fell.
Best Places in Micronesia in September
Find out more about the weather in Micronesia and which places have the best travel conditions in this month. See all of Micronesia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Yepan in September
Warm but pleasant conditions in Yepan in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in Yepan in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Yepan 3-Day Forecast
More climate data for Yepan
See the full Yepan climate overview or explore weather in Micronesia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Go to Micronesia
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