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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Micronesia, check out our Yepan's climate page.
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
Historical weather 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 19 years of weather observations (2006-2025), 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 →
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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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Micronesia, check out our Yepan's climate page.
See the full Yepan climate overview or explore weather in Micronesia.
