Temperature
Warm by day, mild at night.
81°Ftypical September high
Typical range
September climate
September in Sun Moon Lake
Taiwan · Asia
Heavier storm-season rain and late-day mugginess are the main limitations.
Some tradeoffs
Daytime high
81°F
Lows around 69°F
Rain
Rain most days
Sun
9.5 h/day
Air feel
Humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 25 wet days, more than in most months.
83%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
9.6 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
91%September Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 85° and nights feel near 74°.
ColdCoolComfortableWarmHotNight hours
Clear sky
Mostly cloudy skies this month.
33%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
2 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 78°F, easing to about 74°F in early evening.
Avg temp Typical range
Morning78°F
Feels 83°F
Rain30%
Cloud58%
Humid airVery high
Sun intensityModerate
Midday80°F
Feels 85°F
Rain80%
Cloud72%
Humid airVery high
Sun intensityStrong
Late afternoon78°F
Feels 84°F
Rain66%
Cloud76%
Humid airVery high
Sun intensityLow
Early evening74°F
Feels 80°F
Rain29%
Cloud70%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 66 | 52 | 1.5 | 8 | 9.2 | 77 |
| Feb | 68 | 54 | 1.8 | 8 | 9.5 | 77 |
| Mar | 72 | 58 | 2.9 | 12 | 10.3 | 77 |
| Apr | 76 | 63 | 4.9 | 17 | 10.2 | 78 |
| May | 79 | 67 | 8.4 | 23 | 9.8 | 80 |
| Jun | 82 | 69 | 12.7 | 25 | 9.6 | 81 |
| Jul | 82 | 71 | 18.7 | 28 | 9.8 | 82 |
| Aug | 82 | 70 | 19.6 | 29 | 8.8 | 83 |
| Sep | 81 | 69 | 13.4 | 25 | 9.6 | 82 |
| Oct | 78 | 66 | 7.4 | 18 | 10.0 | 81 |
| Nov | 74 | 61 | 2.7 | 10 | 9.5 | 80 |
| Dec | 68 | 54 | 1.7 | 8 | 9.1 | 79 |
Similar climates
Similar
Similar travel styleSapaVietnamSimilar travel styleMunnarIndiaSimilar travel styleDa LatVietnamSimilar travel styleNuwara EliyaSri Lanka
Want a side-by-side climate view? Compare Sun Moon Lake with Sapa.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology