Photo: Wikipedia · Lanzhou
If you're deciding on Lanzhou for 2026-09-12 – 2026-09-13, start with the numbers, then the plan.
Should you plan around Lanzhou's forecast this weekend?
Weather watch
Lanzhou this weekend: about 71°F with 0.53" of rain on the outlook — use that as the go / wait call.
Why this weekend
2026-09-12 – 2026-09-13 is a short planning window for Lanzhou: enough forecast confidence to decide, not so far out that the outlook is fiction.
Lanzhou, Gansu
Weekend air in Lanzhou sits near 71°F / 55°F, plus a workable rain total around 0.53 in — enough to decide whether the trip is on.
Use the outlook as the itinerary filter: plan the outdoor pieces when 71°F feels right, and keep a café backup if clouds show up.
If the numbers still look good by Friday, lock the plan around 71°F — not a vague “nice weather somewhere.”
Things to do
Weather checklist
Weather checklist2
- Evening temperatures can drop from about 71°F to 55°F after sunset — pack a layer.
- Rain is in the forecast — a compact shell or umbrella will save the day.
Bottom line
If the forecast holds, Lanzhou at about 71°F is worth planning around — use the local picks above to fill the day.
Keep planning
Updated September 9, 2026. Not a substitute for local advisories.