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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.
Kosrae Weather in September
September in Kosrae brings high temperatures, with daytime highs of 30°C (86°F) and nights around 26°C (79°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
Rainfall in Kosrae in September
Kosrae is in the rainy season in September, with rain on around 21 days and an average of 267 mm (11 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days. Dry conditions dominate this month. A great time for outdoor fun and exploration.
Temperature in Kosrae in September
Kosrae in September gets highs of 30°C (86°F) during the day and drops to 26°C (79°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.For more travel ideas, our weather planner can help you explore destinations around the world.
Kosrae 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
Kosrae Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kosrae - and find the best time to visit.
Historical weather records for Kosrae in September
Browse day-by-day weather records for Kosrae spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kosrae historical weather extremes in September
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Kosrae.
- Kosrae recorded its highest September temperature of 33°C (91°F) on September 4, 2009.
- On September 2, 2009, Kosrae saw its coldest September day with temperatures maxing out at 27°C (81°F).
- Nighttime temperatures dropped to 19°C (66°F) on September 5, 2022, marking the coldest September night on record.
- The wettest day in September Kosrae was on September 9, 2025 with 120 mm (4.7 in) of precipitation.
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 Kosrae in September
Warm but pleasant conditions in Kosrae 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 Kosrae 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
Kosrae 3-Day Forecast
More climate data for Kosrae
See the full Kosrae 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.
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