Xi’an weather in September
September is a fair month to visit Xi’an: highs of 26°C (78°F) and about 125 mm (4.9 in) of rain on average. Nights average 15°C (59°F) and cloud cover 71% (NASA POWER, 2001–2025 averages). It is the wettest month of the year and the 5th warmest. Compared with August, it is cooler and about as wet; October brings highs of 20°C (68°F) and 60 mm (2.4 in) of rain.
Is September a good time to visit Xi’an?
fair month Weather score 65/100.
September is a fair month in Xi’an. The weather is usually best in Mar–May, Oct.
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Does it rain a lot in Xi’an in September?
Some rain is normal: about 125 mm (4.9 in) falls in an average September. It is the wettest month of the year.
How warm is Xi’an in September?
Days average 26°C (78°F) and nights 15°C (59°F).
Xi’an weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 5°C (41°F) | -5°C (23°F) | 9 mm | 60% | least pleasant |
| February | 9°C (49°F) | -2°C (28°F) | 13 mm | 68% | least pleasant |
| March | 17°C (62°F) | 3°C (37°F) | 23 mm | 67% | best |
| April | 23°C (74°F) | 9°C (48°F) | 40 mm | 69% | best |
| May | 28°C (83°F) | 14°C (58°F) | 69 mm | 73% | best |
| June | 33°C (91°F) | 19°C (67°F) | 84 mm | 73% | fair |
| July | 33°C (92°F) | 22°C (71°F) | 124 mm | 69% | least pleasant |
| August | 32°C (89°F) | 21°C (69°F) | 114 mm | 68% | fair |
| September | 26°C (78°F) | 15°C (59°F) | 125 mm | 71% | fair |
| October | 20°C (68°F) | 9°C (48°F) | 60 mm | 65% | best |
| November | 13°C (55°F) | 2°C (35°F) | 27 mm | 54% | fair |
| December | 6°C (43°F) | -4°C (25°F) | 6 mm | 54% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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