Jiayuguan in September
8.4out of 10
Yes, a good time to go
Mild: highs around 20°C. Some rain: about 4 rainy days.
20°CAvg high
9°CAvg low
4Rainy days (18 mm)
12:15 hDaylight
07:14Sunrise · 19:29 Sunset
Why this score
- Mild: highs around 20°C
- Some rain: about 4 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Comfortable walking shoes
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (2.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -3°C | -14°C | 3 mm | 1 | – | – | 5.0 |
| February | 1°C | -11°C | 3 mm | 1 | – | – | 4.9 |
| March | 8°C | -5°C | 10 mm | 3 | – | – | 6.0 |
| April | 16°C | 3°C | 9 mm | 2 | – | – | 7.7 |
| May | 21°C | 9°C | 15 mm | 4 | – | – | 8.4 |
| June | 25°C | 14°C | 20 mm | 4 | – | – | 8.5 |
| July | 27°C | 16°C | 25 mm | 5 | – | – | 8.4 |
| August | 25°C | 14°C | 27 mm | 6 | – | – | 8.3 |
| September | 20°C | 9°C | 18 mm | 4 | – | – | 8.4 |
| October | 14°C | 1°C | 6 mm | 2 | – | – | 7.4 |
| November | 6°C | -6°C | 5 mm | 2 | – | – | 5.7 |
| December | -2°C | -12°C | 4 mm | 1 | – | – | 4.9 |
Frequently asked questions
How hot is Jiayuguan in September?
Daytime highs average 20°C and nights about 9°C.
When is the best time to visit Jiayuguan?
The best months are June, May, July, September.