Hokkaido · Japan

Sapporo in September

In September, Sapporo averages a daytime high of 22 °C and a night-time low of 13 °C, with about 145 mm of rain over the month. It falls outside Sapporo's most comfortable months, June.

Average high
22 °C
Average low
13 °C
Rain in the month
145 mm
Daylight on 15 Sep
12 h 20 min
Comfortable month
No
Places to stay
78

When to go

How September compares with the rest of the year in Sapporo

September is the 3rd warmest month in Sapporo by average daytime high; across the year the highs run from -2 °C to 25 °C and the lows from -9 °C to 18 °C. By day, September is 3 °C cooler than August, and October is 6 °C cooler than September.

September brings 145 mm of rain, more than the monthly average of 104 mm (1251 mm a year); it is the 2nd wettest month.

On 15 September the sun is up for about 12 h 20 min, against 9 h at the shortest and 15 h 20 min at the longest point of the year (calculated from the latitude, sunrise to sunset).

-9°11°30°JanFebMarAprMayJunJulAugSepOctNovDec154 mm
Average highAverage lowRain per monthComfortable months
MonthHighLowRainDaylightComfortable
January-2 °C-9 °C107 mm9 h 20 min
February-1 °C-8 °C92 mm10 h 30 min
March3 °C-4 °C74 mm11 h 50 min
April10 °C1 °C60 mm13 h 20 min
May16 °C7 °C69 mm14 h 40 min
June20 °C12 °C70 mm15 h 20 minYes
July24 °C16 °C102 mm15 h
August25 °C18 °C154 mm13 h 50 min
September22 °C13 °C145 mm12 h 20 min
October15 °C6 °C130 mm10 h 50 min
November7 °C0 °C119 mm9 h 40 min
December0 °C-6 °C128 mm9 h

Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).

When to go

Is September a good time to visit Sapporo?

Not by the measure used here: about 145 mm of rain is 80 mm or more. The comfortable months in Sapporo are June; the nearest is June.

The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.

Public holidays in Japan in September

Nationwide public holidays; shops and offices may close on these dates.

21 Sept 2026 · Respect for the Aged Day22 Sept 2026 · National Holiday23 Sept 2026 · Autumnal Equinox Day20 Sept 2027 · Respect for the Aged Day23 Sept 2027 · Autumnal Equinox Day

Where to stay

Where to stay in Sapporo

This guide lists 78 places to stay in Sapporo: 4 chain properties with their details and own websites, and 74 hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 39; 1–3 km, 23; 3–10 km, 1; 10 km or more, 11.

← Sapporo in AugustSapporo in October →

Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.