Temperature
Pleasant by day, mild at night.
77°Ftypical September high
Typical range
September climate
September in Nikko
Japan · Asia
Heavier storm-season rain and late-day mugginess are the main limitations.
Some tradeoffs
Late
Daytime high
77°F
Lows around 65°F
Rain
Rain most days
Sun
7.5 h/day
Air feel
Humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days, and rain often persists for longer stretches. About 21 wet days, more than in most months.
70%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Cloudier spells limit sunshine.
7.6 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
54%September Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 79° and nights feel near 69°.
FreezingVery coldColdCoolComfortableWarmHotNight hours
Clear sky
Mostly cloudy skies this month.
26%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
3 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 75°F, easing to about 70°F in early evening.
Avg temp Typical range
Morning72°F
Feels 76°F
Rain39%
Cloud69%
Humid airModerate
Sun intensityModerate
Best windowMidday76°F
Feels 79°F
Rain54%
Cloud74%
Humid airModerate
Sun intensityModerate
Late afternoon75°F
Feels 78°F
Rain50%
Cloud73%
Humid airHigh
Sun intensityLow
Early evening70°F
Feels 74°F
Rain42%
Cloud77%
Humid airHigh
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 42 | 29 | 2.3 | 8 | 8.5 | 64 |
| Feb | 44 | 30 | 2.4 | 10 | 8.7 | 64 |
| Mar | 51 | 36 | 4.9 | 14 | 8.9 | 65 |
| Apr | 61 | 45 | 6.2 | 16 | 9.3 | 69 |
| May | 70 | 54 | 8.0 | 18 | 9.3 | 73 |
| Jun | 75 | 63 | 9.9 | 22 | 8.0 | 81 |
| Jul | 82 | 70 | 13.4 | 26 | 8.0 | 83 |
| Aug | 83 | 72 | 11.2 | 24 | 9.2 | 83 |
| Sep | 77 | 65 | 11.2 | 21 | 7.6 | 82 |
| Oct | 67 | 53 | 8.2 | 17 | 7.5 | 78 |
| Nov | 57 | 43 | 3.9 | 10 | 7.5 | 74 |
| Dec | 47 | 34 | 2.4 | 9 | 7.8 | 69 |
Similar climates
Similar
Similar travel styleDarjeelingIndiaSimilar travel styleHakoneJapanSimilar travel styleDunedinNew ZealandSimilar travel styleSun Moon LakeTaiwan
Want a side-by-side climate view? Compare Nikko with Darjeeling.
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