Beijing weather in September
In September, Beijing sees average daytime highs of 27°C and overnight lows near 16°C, with 57 mm of rain across 7.1 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.
Highs ease over the month, from about 29°C in the first days to 25°C by the end. The sky is clear or mostly clear about 49% of the time in September, and the air most often feels dry.
Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Beijing's 8th-clearest and 10th-windiest month. For the whole year in context, see Beijing's year-round climate.
- Daytime high
- 27°
- 5th warmest
- Overnight low
- 16°
- 9th coldest
- Rainfall
- 57 mm
- 7.1 wet days
- Daylight
- 12 h 18 min
- 6:01 AM – 6:16 PM
- Cloud cover
- 46%
- 8th clearest
- Wind
- 7 km/h
- 10th windiest
- Solar energy
- 4.48 kWh/m²
- Travel score
- 6.9
- out of 10
Beijing is capital city of China.
- Air quality
- Very high
- PM2.5 50.6 µg/m³ · 2018
- Density
- 1,155/km²
- people per km²
- Founded
- 1403
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 29°C in the first days to 25°C by the end.
A typical September day in Beijing reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 24 |
| Avg low (°C) | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 19 |
| 2 | 30 | 19 |
| 3 | 29 | 19 |
| 4 | 29 | 18 |
| 5 | 29 | 18 |
| 6 | 29 | 18 |
| 7 | 29 | 18 |
| 8 | 29 | 17 |
| 9 | 28 | 17 |
| 10 | 28 | 17 |
| 11 | 28 | 17 |
| 12 | 28 | 17 |
| 13 | 28 | 16 |
| 14 | 27 | 16 |
| 15 | 27 | 16 |
| 16 | 27 | 16 |
| 17 | 27 | 15 |
| 18 | 27 | 15 |
| 19 | 27 | 15 |
| 20 | 26 | 15 |
| 21 | 26 | 14 |
| 22 | 26 | 14 |
| 23 | 26 | 14 |
| 24 | 26 | 14 |
| 25 | 25 | 14 |
| 26 | 25 | 13 |
| 27 | 25 | 13 |
| 28 | 25 | 13 |
| 29 | 24 | 13 |
| 30 | 24 | 12 |
How September really feels in Beijing
Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Beijing weather by month
How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 2° / -8° | 3 | 0.8 | 0.9 | 9.5 | 0.0 |
| Feb | 6° / -5° | 5 | 1.3 | 1.1 | 10.4 | 0.8 |
| Mar | 13° / 1° | 9 | 2.3 | 0.6 | 11.7 | 4.7 |
| Apr | 22° / 8° | 19 | 3.9 | 0.1 | 13 | 7.8 |
| May | 29° / 15° | 35 | 5 | 0 | 14.2 | 6.4 |
| Jun | 32° / 20° | 74 | 7.8 | 0 | 14.8 | 4.0 |
| Jul | 32° / 23° | 160 | 12.8 | 0 | 14.5 | 3.5 |
| Aug | 31° / 22° | 119 | 10.5 | 0 | 13.6 | 4.4 |
| Sep | 27° / 16° | 57 | 7.1 | 0 | 12.3 | 6.9 |
| Oct | 20° / 8° | 33 | 4.3 | 0 | 10.9 | 7.4 |
| Nov | 10° / -1° | 14 | 2.1 | 0.9 | 9.8 | 3.1 |
| Dec | 3° / -6° | 3 | 1 | 1.1 | 9.2 | 0.0 |
Cloud cover in September
The sky is clear or mostly clear about 49% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 58 | 58 | 58 | 59 | 58 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 61 | 62 | 62 | 63 | 64 | 64 | 65 | 65 | 66 | 66 | 66 | 66 | 67 |
| Cloudier (%) | 42 | 42 | 42 | 41 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 35 | 34 | 34 | 34 | 34 | 33 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 58 | 42 |
| 2 | 58 | 42 |
| 3 | 58 | 42 |
| 4 | 59 | 41 |
| 5 | 58 | 42 |
| 6 | 59 | 41 |
| 7 | 59 | 41 |
| 8 | 59 | 41 |
| 9 | 60 | 40 |
| 10 | 60 | 40 |
| 11 | 60 | 40 |
| 12 | 60 | 40 |
| 13 | 60 | 40 |
| 14 | 60 | 40 |
| 15 | 61 | 39 |
| 16 | 61 | 39 |
| 17 | 61 | 39 |
| 18 | 61 | 39 |
| 19 | 62 | 38 |
| 20 | 62 | 38 |
| 21 | 63 | 37 |
| 22 | 64 | 36 |
| 23 | 64 | 36 |
| 24 | 65 | 35 |
| 25 | 65 | 35 |
| 26 | 66 | 34 |
| 27 | 66 | 34 |
| 28 | 66 | 34 |
| 29 | 66 | 34 |
| 30 | 67 | 33 |
Chance of precipitation in September
Beijing gets around 57 mm of rain over 7.1 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 24% and peaks near 28% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 20 |
| Rain chance (%) | |
|---|---|
| 1 | 28 |
| 2 | 28 |
| 3 | 28 |
| 4 | 27 |
| 5 | 27 |
| 6 | 27 |
| 7 | 26 |
| 8 | 26 |
| 9 | 25 |
| 10 | 25 |
| 11 | 24 |
| 12 | 24 |
| 13 | 24 |
| 14 | 23 |
| 15 | 23 |
| 16 | 23 |
| 17 | 23 |
| 18 | 22 |
| 19 | 22 |
| 20 | 22 |
| 21 | 22 |
| 22 | 22 |
| 23 | 22 |
| 24 | 22 |
| 25 | 22 |
| 26 | 21 |
| 27 | 21 |
| 28 | 21 |
| 29 | 20 |
| 30 | 20 |
Humidity in September
Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the dry band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 13 | 14 | 16 | 17 | 19 | 20 | 22 | 24 | 26 | 28 | 30 | 33 | 35 | 37 | 40 | 42 | 44 | 46 | 48 | 51 | 53 | 54 | 57 | 59 | 62 | 64 | 65 | 68 | 70 | 72 |
| Comfortable (%) | 17 | 18 | 19 | 21 | 22 | 23 | 25 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 24 | 24 | 23 | 22 | 21 |
| Humid (%) | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 13 | 12 | 11 | 10 | 9 | 8 | 7 |
| Muggy (%) | 31 | 29 | 28 | 26 | 24 | 22 | 20 | 18 | 17 | 15 | 14 | 12 | 11 | 10 | 8 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
| Oppressive (%) | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 4 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Miserable (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 13 | 17 | 28 | 31 | 10 | 1 |
| 2 | 14 | 18 | 28 | 29 | 9 | 1 |
| 3 | 16 | 19 | 29 | 28 | 8 | 1 |
| 4 | 17 | 21 | 29 | 26 | 7 | 0 |
| 5 | 19 | 22 | 29 | 24 | 6 | 0 |
| 6 | 20 | 23 | 29 | 22 | 5 | 0 |
| 7 | 22 | 25 | 28 | 20 | 5 | 0 |
| 8 | 24 | 26 | 28 | 18 | 4 | 0 |
| 9 | 26 | 27 | 28 | 17 | 3 | 0 |
| 10 | 28 | 27 | 27 | 15 | 2 | 0 |
| 11 | 30 | 28 | 26 | 14 | 2 | 0 |
| 12 | 33 | 28 | 25 | 12 | 2 | 0 |
| 13 | 35 | 29 | 24 | 11 | 1 | 0 |
| 14 | 37 | 29 | 23 | 10 | 1 | 0 |
| 15 | 40 | 29 | 22 | 8 | 1 | 0 |
| 16 | 42 | 29 | 21 | 7 | 1 | 0 |
| 17 | 44 | 29 | 21 | 6 | 0 | 0 |
| 18 | 46 | 28 | 20 | 5 | 0 | 0 |
| 19 | 48 | 28 | 19 | 5 | 0 | 0 |
| 20 | 51 | 27 | 18 | 4 | 0 | 0 |
| 21 | 53 | 27 | 17 | 3 | 0 | 0 |
| 22 | 54 | 27 | 16 | 3 | 0 | 0 |
| 23 | 57 | 26 | 15 | 2 | 0 | 0 |
| 24 | 59 | 26 | 13 | 2 | 0 | 0 |
| 25 | 62 | 25 | 12 | 1 | 0 | 0 |
| 26 | 64 | 24 | 11 | 1 | 0 | 0 |
| 27 | 65 | 24 | 10 | 1 | 0 | 0 |
| 28 | 68 | 23 | 9 | 0 | 0 | 0 |
| 29 | 70 | 22 | 8 | 0 | 0 | 0 |
| 30 | 72 | 21 | 7 | 0 | 0 | 0 |
Wind in September
Winds average 7 km/h in September.
Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 78 minutes over September. Sunrise moves from 5:46 AM to 6:15 AM, and sunset from 6:42 PM to 5:53 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.9 | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.7 | 11.7 | 11.6 |
| Sunrise (AM) | 5:46 | 5:47 | 5:48 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:54 | 5:55 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:14 | 6:15 |
| Sunset (PM) | 6:42 | 6:40 | 6:39 | 6:37 | 6:35 | 6:34 | 6:32 | 6:30 | 6:28 | 6:27 | 6:25 | 6:23 | 6:22 | 6:20 | 6:18 | 6:16 | 6:15 | 6:13 | 6:11 | 6:10 | 6:08 | 6:06 | 6:04 | 6:03 | 6:01 | 5:59 | 5:58 | 5:56 | 5:54 | 5:53 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 5:46 | 6:42 |
| 2 | 12.9 | 5:47 | 6:40 |
| 3 | 12.8 | 5:48 | 6:39 |
| 4 | 12.8 | 5:49 | 6:37 |
| 5 | 12.7 | 5:50 | 6:35 |
| 6 | 12.7 | 5:51 | 6:34 |
| 7 | 12.7 | 5:52 | 6:32 |
| 8 | 12.6 | 5:53 | 6:30 |
| 9 | 12.6 | 5:54 | 6:28 |
| 10 | 12.5 | 5:55 | 6:27 |
| 11 | 12.5 | 5:56 | 6:25 |
| 12 | 12.4 | 5:57 | 6:23 |
| 13 | 12.4 | 5:58 | 6:22 |
| 14 | 12.3 | 5:59 | 6:20 |
| 15 | 12.3 | 6:00 | 6:18 |
| 16 | 12.3 | 6:01 | 6:16 |
| 17 | 12.2 | 6:02 | 6:15 |
| 18 | 12.2 | 6:03 | 6:13 |
| 19 | 12.1 | 6:04 | 6:11 |
| 20 | 12.1 | 6:05 | 6:10 |
| 21 | 12.0 | 6:06 | 6:08 |
| 22 | 12.0 | 6:07 | 6:06 |
| 23 | 11.9 | 6:08 | 6:04 |
| 24 | 11.9 | 6:09 | 6:03 |
| 25 | 11.9 | 6:10 | 6:01 |
| 26 | 11.8 | 6:11 | 5:59 |
| 27 | 11.8 | 6:12 | 5:58 |
| 28 | 11.7 | 6:13 | 5:56 |
| 29 | 11.7 | 6:14 | 5:54 |
| 30 | 11.6 | 6:15 | 5:53 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.48 kWh/m².
For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 6.12 kWh/m² in May across the year — September's 4.48 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.6 | Bright |
| 10 | 4.6 | Bright |
| 11 | 4.6 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.4 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.1 | Bright |
Hazard calendar for Beijing
None of Beijing's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Beijing's rainy season runs June–August, when most of the year's rain falls.
Beijing sees seasonal dust haze (April–June), heaviest in May.
Is September a good time to visit Beijing?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Beijing for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Beijing in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Beijing sees daytime highs around 27°C and nights near 16°C. Pack light clothes. About 7 days see rain.
UV index in Beijing in September
Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Beijing peaks around June 11 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 3 | 6 | 7 | 7 | 6 | 5 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | High | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 7 | Very high |
| Jul | 6 | High |
| Aug | 5 | High |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Beijing in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Beijing is worst in January — around 69 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (June, 34 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Beijing's WHO annual average of 50.6 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 69 | 63 | 57 | 41 | 35 | 34 | 35 | 37 | 46 | 57 | 67 | 67 |
| Level | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Moderate | Moderate | Poor | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 69 | Unhealthy |
| Feb | 63 | Unhealthy |
| Mar | 57 | Unhealthy |
| Apr | 41 | Poor |
| May | 35 | Poor |
| Jun | 34 | Moderate |
| Jul | 35 | Moderate |
| Aug | 37 | Poor |
| Sep | 46 | Poor |
| Oct | 57 | Unhealthy |
| Nov | 67 | Unhealthy |
| Dec | 67 | Unhealthy |
Where is Beijing?
Beijing sits at 39.9°N, 116.4°E, 49 m above sea level, in China. The nearest listed city is Tianjin, 108 km away.
Topography around Beijing
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Beijing.
Within 3 km, the terrain around Beijing has only modest variations in elevation — a maximum elevation change of 51 m around an average of 48 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 107 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,093 m.
The land around Beijing is covered by artificial surfaces (82%) within 3 km, artificial surfaces (70%) and trees (21%) within 16 km, and cropland (35%), trees (34%) and artificial surfaces (21%) within 80 km.
China travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / I
- 220 V · 50 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $13,862
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Homicide rate
- 0.5
- per 100k, 2020
- Road deaths
- 17.4
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 464
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Beijing (39.9075°, 116.3972°, elevation 49 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).