Temperature
Warm by day, mild at night.
79°Ftypical September high
Typical range
September climate
September in Xi'an
China · East Asia
Warm days and some sun.
Some tradeoffs
Mid to late
Daytime high
79°F
Lows around 64°F
Rain
Several rainy days
Sun
7.5 h/day
Air feel
Slightly humid
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days, with some sustained wet spells. About 12 wet days, the highest monthly average.
40%wet-day frequency
AmountWet-day chance
Sunshine
A mix of sunshine and cloud.
7.5 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
Slightly humidSeptember Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 80° and nights feel near 67°.
FreezingVery coldColdCoolComfortableWarmHotNight hours
Clear sky
Mostly cloudy skies this month.
40%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 76°F, easing to about 72°F in early evening.
Avg temp Typical range
Morning73°F
Feels 75°F
Rain24%
Cloud61%
Humid airModerate
Sun intensityModerate
Midday78°F
Rain25%
Cloud63%
Humid airModerate
Sun intensityModerate
Late afternoon76°F
Feels 78°F
Rain24%
Cloud62%
Humid airModerate
Sun intensityLow
Early evening72°F
Feels 74°F
Rain20%
Cloud59%
Humid airModerate
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 | 43 | 27 | 0.5 | 3 | 8.2 | 61 |
| Feb | 51 | 32 | 0.7 | 4 | 8.3 | 60 |
| Mar | 62 | 42 | 1.3 | 6 | 8.8 | 55 |
| Apr | 73 | 53 | 1.8 | 7 | 9.5 | 55 |
| May | 81 | 62 | 2.8 | 8 | 9.5 | 58 |
| Jun | 89 | 70 | 3.6 | 8 | 10.1 | 59 |
| Jul | 91 | 75 | 5.7 | 11 | 10.4 | 68 |
| Aug | 89 | 73 | 5.1 | 11 | 9.7 | 70 |
| Sep | 79 | 64 | 5.2 | 12 | 7.5 | 74 |
| Oct | 68 | 52 | 3.1 | 10 | 7.3 | 74 |
| Nov | 56 | 40 | 1.6 | 7 | 7.3 | 69 |
| Dec | 46 | 29 | 0.5 | 3 | 7.7 | 62 |
Similar climates
Similar
Similar travel styleTokyoJapanSimilar travel styleSeoulSouth KoreaSimilar travel styleOsakaJapanSimilar travel styleIstanbulTurkey
Want a side-by-side climate view? Compare Xi'an with Tokyo.
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: Aug 26, 2026
Data & methodology