SeasonScore
Beijing, China
Photo: 张瑜 · CC0

China

Beijing in September

🍂 Autumn

Pleasant and some showers. Watch for hazy air.

🎒 Pack: N95 mask for hazy days · sunglasses & hat

Best months: May (8.6), Apr (8.5), Jun (8.1)

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Why September scores 6.9What goes into the score

How it works
🌡️ 27° / 16°C🌧️ 53 mm💧 dew pt 13°🍃 PM2.5 88
  • Weather comfort9.9
    • ✓Comfortable temperatures (27°C highs / 16°C lows)
    • ✓Comfortable humidity (dew point 12.7°C)
    • ✓Mostly dry (~53 mm rain)
  • Air quality2.0
    • !Unhealthy (PM2.5 ~88 µg/m³) — score capped at 6.9
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut September side by side with another month
SepMay
Score6.9 Good8.6 Excellent
Season🍂 Autumn🌷 Spring
High / low27° / 16°28° / 15°
Rain53 mm35 mm
Humiditydew pt 13°dew pt 5°
PM2.588 µg/m³46 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Beijing weather-station normals. Rainfall: Beijing weather-station normals (national met service).

Holidays & crowdsSeptember 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

Other public holidays: Mid-Autumn Festival (15 Sep)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Beijing

  • Snowy daysTypical dates
    Snow likely Nov–Mar (most in Jan: ~2 days)

    Average number of days with snowfall at Beijing.

    Source: Beijing weather-station normals (national weather service, via Wikipedia climate table)

Explore BeijingEvents, sights, food & souvenirs

Check event dates locally

China's capital, home to the Forbidden City, imperial temples and gardens, old hutong lanes and nearby sections of the Great Wall.

Events in September
Mid-Autumn FestivalAcross China

Mooncakes, lanterns and family reunions under the full moon.

Coming up later

National DayEvery year1 October every year

Marks the founding of the People's Republic, followed by a week-long national holiday.

Why go: Major sights are extremely crowded during the holiday week.

Where: Tiananmen Square and citywide

Autumn leavesDate variesUsually mid-October to early November

Smoke trees turn red on the hills west of the city.

Why go: Weekends are very crowded; go on a weekday.

Where: Fragrant Hills (Xiangshan)

Chinese New Year temple fairsDate variesLunar calendar — late January to mid-February, date moves each year

Traditional fairs with snacks, performances and folk crafts.

Why go: Many shops close for several days and transport is busy before the holiday.

Where: Ditan Park and other parks