Temperature
Hot by day, warm at night.
84°Ftypical September high
Typical range
September climate
September in Toyama Bay
Japan · Asia
Hot days and some sun. Heavier storm-season rain is the main drawback.
Some tradeoffs
Late
Daytime high
84°F
Lows around 74°F
Rain
Frequent rain
Sun
8.5 h/day
Air feel
Humid
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent. About 17 wet days this month.
57%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Cloudier spells limit sunshine.
8.6 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
67%September Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 84° and nights feel near 76°.
FreezingVery coldColdCoolComfortableWarmHotSwelteringNight hours
Clear sky
Mostly cloudy skies this month.
33%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
4 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 79°F, easing to about 75°F in early evening.
Avg temp Typical range
Morning77°F
Feels 82°F
Rain32%
Cloud65%
Humid airHigh
Sun intensityModerate
Midday80°F
Feels 85°F
Rain39%
Cloud66%
Humid airHigh
Sun intensityModerate
Late afternoon79°F
Feels 84°F
Rain34%
Cloud66%
Humid airHigh
Sun intensityLow
Early evening75°F
Feels 80°F
Rain24%
Cloud66%
Humid airHigh
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 | 44 | 35 | 8.2 | 24 | 7.5 | 76 |
| Feb | 45 | 36 | 7.4 | 18 | 7.9 | 74 |
| Mar | 56 | 43 | 6.9 | 17 | 9.0 | 69 |
| Apr | 66 | 52 | 6.6 | 13 | 9.4 | 67 |
| May | 73 | 60 | 7.6 | 15 | 10.1 | 70 |
| Jun | 81 | 70 | 8.1 | 16 | 9.6 | 77 |
| Jul | 89 | 78 | 8.4 | 20 | 9.6 | 79 |
| Aug | 90 | 79 | 10.9 | 19 | 10.4 | 77 |
| Sep | 84 | 74 | 8.3 | 17 | 8.6 | 80 |
| Oct | 72 | 60 | 6.9 | 15 | 8.4 | 77 |
| Nov | 62 | 50 | 7.4 | 15 | 7.3 | 75 |
| Dec | 49 | 41 | 10.0 | 25 | 7.0 | 76 |
Similar climates
Similar
Similar travel styleNikkoJapanSimilar travel styleSapaVietnamSimilar travel styleHangzhouChinaSimilar travel styleSun Moon LakeTaiwan
Want a side-by-side climate view? Compare Toyama Bay with Nikko.
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: Jul 31, 2026
Data & methodology