Furano weather in September

September in Furano: nice, rainy, with clean air — one of the weakest months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Furano🇯🇵 Japan · Hokkaido · Ski13
  1. 88Jan
  2. 94Feb
  3. 82Mar
  4. 61Apr
  5. 22May
  6. 18Jun
  7. 15Jul
  8. 10Aug
  9. 13Sep
  10. 32Oct
  11. 71Nov
  12. 91Dec

#11 of 12 months in Furano · #1406 of 1413 destinations to visit in September · comfort 13/100 (tier F)

Days
21°C
Nights
13°C
Wet days
12
Sun
8.2 h
Humidity
82%
Daylight
13 h
Furano, Japan
Photo: Han Sen · Pexels

Traveller notes on Furano in September

Furano-forum threads covering the wider Biei and Asahikawa area in September describe Hokkaido as genuinely more comfortable than the rest of Japan, cooler evenings a real relief after a warm day. Posters call peak lavender season well past by September, July and August the real window, though scattered late-blooming varieties and other colorful flowers can still be found at Farm Tomita and the Biei hills into early October. Regulars recommend flexible layering, light shirts and shorts for a warm afternoon alongside a sweater or light jacket for genuinely cool evenings and any unexpected cooler stretch. A real shower is entirely possible any given September day, and posters recommend building flexibility into a Furano-Biei-Sounkyo Gorge road trip rather than a fixed schedule. Regulars call September a solid, less crowded alternative to peak summer. The record: 20.9C days feeling like 22C, 13.2C nights, an extraordinarily high 159mm across nearly 12 days and 82 percent humidity.
FuranoSeptemberRegular · September · 1 month ago · Read more on Tripadvisor ↗

Other months in Furano

Furano-forum reviews on a March visit describe the Kitanomine zone as genuinely already closed by late March, one reviewer visiting on the twenty-third finding this section shut for the season. Regulars call the Furano zone itself still genuinely worth skiing, the same reviewer naming eight days there with still-good snow despite the partial closure elsewhere. Posters call checking which zones are actually open genuinely essential this late in March, several regulars naming this standard given how unevenly the resort winds down. Regulars call late March genuinely still a real skiing option regardless of the Kitanomine closure, several threads naming this a reason not to write off the month entirely. Posters recommend confirming current zone status before a late-March trip, several regulars calling this standard given how much can change week to week. The record: 2.5C days, -4.9C nights, an extraordinarily high 87.9mm across nearly 14 days and 80 percent humidity.
FuranoMarchRegular · March · 1 month ago · Read more on Tripadvisor ↗
Furano-forum threads on a May visit describe this as genuinely too early for the famous lavender bloom, posters calling mid-June the real start of that particular display rather than anything in May. Regulars call cherry blossoms and tulip farms the real early-May draw instead, Sapporo typically seeing blossoms by the first or second week with tulips visible around the wider region. Posters recommend the Sapporo Lilac Festival in late May as a solid addition for anyone in the area at that time, alongside Takino-Suzuran Park on the city's outskirts. Regulars call sightseeing buses including the Biei View route simply not running until June, a real limitation for anyone without a car this early. Posters recommend bear bells for any May hike regardless of destination, several regulars calling this standard practice in the Hokkaido woods this time of year. The record: 17C days feeling like 17C, 7.3C nights, an extraordinarily high 96.8mm across over 14 days and 74 percent humidity.
FuranoMayRegular · May · 1 month ago · Read more on Tripadvisor ↗
Furano-forum threads on lavender timing call mid-July through early August genuinely the peak bloom window, posters describing full color arriving around mid-July with a firework festival on the fifteenth celebrating the display. Regulars call Farm Tomita the best-known viewing spot, real fields extending across the wider Kami-Furano, Naka-Furano and Minami-Furano areas. Posters recommend the Lavender Express train as a genuinely scenic way to reach the fields without driving, worth considering during peak traffic. Regulars call early August still capable of decent color though vividness fades somewhat compared with mid-July's full peak. Posters recommend booking accommodation well ahead for the peak window, this genuinely one of Hokkaido's busiest summer draws. Regulars call the wider area worth a full day regardless of exact bloom timing. The record: 25.1C days feeling like 28C, 17.9C nights, an extraordinarily high 120.3mm across nearly 15 days and 85 percent humidity.
FuranoJulyRegular · July · 1 month ago · Read more on Tripadvisor ↗
Furano-forum reviews on January conditions are consistently glowing, posters describing genuine powder days arriving with real regularity through the month. Regulars call the inland Hokkaido location a real factor, Furano seeing somewhat less total accumulation than coastal resorts but posters consistently rating the actual snow quality as exceptional, light rather than heavy. Posters describe readings around negative ten Celsius as typical, cold enough to keep fresh powder preserved rather than turning to slush. Regulars call the resort noticeably less crowded than better-known Hokkaido alternatives, a genuine draw for quiet runs over nightlife. Posters recommend real cold-weather layers as standing advice, January staying reliably cold throughout. Regulars call the tree skiing and steeper terrain worth the trip for anyone beyond beginner level. The record: -4.4C days feeling like -9C, -11C nights, a notably high 82.7cm of fresh accumulation and 82 percent humidity.
FuranoJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗

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Furano climate normals — September

Daytime high21°C / 70°F😎 nice
Nighttime low13°C / 56°F
Feels like (high)21°C / 70°F
Rainfall124 mm / 4.9 in🌧 rainy
Rainy days12 days
Humidity82%💦 very humid
Dew point14°C / 57°F
Sunshine8.2 h/day
Daylight12.5 h
Wind12 km/h / 8 mph
Air quality (US AQI)29🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Furano in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Quietschool holidays in 3 of the markets that fill it, one of its worst months for weather(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Furano's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherFurano's weather peaks December–February.

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Best weatherFair weatherToughest weather

What's on in Furano in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Autumn colour

    15 Sep – 20 Oct · usually

    Daisetsuzan an hour north turns first, from the top of the ropeway down, usually from the third week of September. The valley follows a fortnight later.

What's on around the world in September →

Nearby, and something's on

Within 300 km of Furano — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Furano?

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Furano in September — FAQ

Is September a good time to visit Furano?
September in Furano: nice, rainy, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Furano on SeasonMap's comfort score (13/100).
What is the weather like in Furano in September?
In September, Furano averages a daily high of 20.9°C and a low of 13.2°C, with about 123.5 mm of rain over roughly 12.4 rainy days.
What is the air quality in Furano in September?
Furano has a mean US Air Quality Index of about 29 in September.

Within 300 km: Sapporo's Sapporo Autumn Fest on 11 Sep – 3 Oct, and Niseko's Summer season around 1 Jul – 30 Sep.