Sendai & Matsushima→
Station: SendaiSendai, Matsushima, Zuihoden, Akiu Onsen
High
25.0℃
Low
18.0℃
- Precip.
- 192.6mm
- Sunshine
- 128h
- Sunset
- 17:47
Highs around 25°C. Jozenji Streetjazz Festival in mid-September
Tohoku Weather Guide
Tohoku Weather in September: What to Wear & Expect
September in Tohoku is when the summer heat gradually eases and autumn arrives. Sendai's high is 25.0°C and mornings are around 18°C. Early in the month there are still some sweaty days, but by late September mornings and evenings turn cool. Sendai's September precipitation of 192.6 mm is the highest of the year, and this is a time when autumn rains and typhoons often have an impact. Late in the month, autumn leaves begin in Hakkoda, and Yamagata enters the season of imoni, its famous autumn dish.
- Sendai high
- 25.0℃
- Sendai low
- 18.0℃
- Sendai rainfall
- 192.6mm
- Sendai sunset
- 17:47
Overview
Tohoku in September: Key Points
- ✓Sendai's high is 25.0°C, with mornings around 18°C. Mornings and evenings are cool in late September
- ✓Sendai's rainiest month of the year. Watch out for autumn rains and typhoons
- ✓Autumn leaves in Hakkoda usually start in late September
- ✓Yamagata's Japan's Largest Imoni Festival is usually held in September
By Area
September Weather by Area
Temperature, precipitation, snow and sunshine are climate normals (1991-2020). Sunset is for September 15.
Hiraizumi & Ichinoseki→
Station: IchinosekiHiraizumi, Chusonji, Motsuji, Geibikei Gorge
High
25.3℃
Low
16.5℃
- Precip.
- 156.3mm
- Sunshine
- 118h
- Sunset
- 17:46
Highs around 25°C. A good season for walking around Chusonji and Motsuji
Morioka & Koiwai→
Station: MoriokaMorioka, Koiwai Farm, Mt. Iwate, Tsunagi Onsen
High
24.3℃
Low
15.2℃
- Precip.
- 151.7mm
- Sunshine
- 129h
- Sunset
- 17:46
Highs around 24°C, mornings around 15°C. You'll need a jacket in late September
Aomori & Hakkoda→
Station: AomoriAomori, Hakkoda, Sukayu Onsen, Sannai-Maruyama Site
High
24.5℃
Low
15.8℃
- Precip.
- 133mm
- Sunshine
- 162h
- Sunset
- 17:48
Mornings around 16°C. Autumn leaves start in Hakkoda late in the month
Hirosaki→
Station: HirosakiHirosaki, Hirosaki Castle, Mt. Iwaki, Hirosaki Park
High
24.9℃
Low
14.9℃
- Precip.
- 136.3mm
- Sunshine
- 158h
- Sunset
- 17:49
Highs around 25°C, mornings around 15°C. Good for drives around the foothills of Mt. Iwaki
Lake Towada & Oirase→
Station: YasumiyaOirase Stream, Lake Towada, Yasumiya, Yakeyama
High
21.3℃
Low
13.1℃
- Precip.
- 177.7mm
- Sunshine
- 134h
- Sunset
- 17:48
Highs around 21°C, mornings around 13°C. Some days are chilly along the stream
Kakunodate, Lake Tazawa & Nyuto Onsen→
Station: KakunodateKakunodate, Samurai District, Lake Tazawa, Nyuto Onsen
High
25.5℃
Low
15.2℃
- Precip.
- 180.5mm
- Sunshine
- 150h
- Sunset
- 17:49
Mornings around 15°C. A lovely season for strolling the samurai district
Yamagata, Zao & Yamadera→
Station: YamagataYamagata, Zao, Yamadera, Zao Onsen
High
25.8℃
Low
16.6℃
- Precip.
- 123.8mm
- Sunshine
- 137h
- Sunset
- 17:49
Highs around 26°C. Japan's Largest Imoni Festival is usually in September
Ginzan Onsen & Obanazawa→
Station: ObanazawaGinzan Onsen, Obanazawa, Oishida
High
24.5℃
Low
15.5℃
- Precip.
- 128.9mm
- Sunshine
- 142h
- Sunset
- 17:48
Cool mornings and evenings, a good season for night walks around the hot spring town
Aizu-Wakamatsu & Ouchi-juku→
Station: WakamatsuAizu-Wakamatsu, Tsuruga Castle, Ouchi-juku, Higashiyama Onsen
High
26.1℃
Low
16.6℃
- Precip.
- 124mm
- Sunshine
- 142h
- Sunset
- 17:50
Highs around 26°C, mornings around 17°C. Good for sightseeing at Tsuruga Castle and Ouchi-juku
What to Wear
What to Wear in Tohoku in September
Tops
Short sleeves; thin long sleeves in late September
Outerwear
Thin cardigan or jacket for mornings and evenings
Bottoms
Long pants
Shoes
Comfortable shoes such as sneakers that dry quickly if they get wet
Accessories
Folding umbrella and hat
At Lake Towada and Oirase, mornings drop to around 13°C. If you're heading into the mountains, such as Hakkoda, bring a long-sleeved jacket.
Good to Know
Good to Know
A rainy month
In Sendai, September is the month with the most precipitation of the year. Carry a folding umbrella and have some plans you can enjoy even in the rain.
Watch out for typhoons
Typhoons sometimes approach in September. Shinkansen and flights may be suspended, so check the weather forecast before your trip.
Temperature swings between day and night
Even if short sleeves are fine during the day, mornings and evenings turn cool. Especially late in the month or near the mountains, it's a good idea to carry an extra layer.
Silver Week
The holidays in mid to late September (Respect for the Aged Day and Autumnal Equinox Day) can bring crowds to tourist spots and accommodation.
Events
September Events & Highlights
Jozenji Streetjazz Festival
Central SendaiUsually mid-SeptemberA citizen-run music festival where about 50 spots around the city become stages. You can enjoy free performances in all kinds of genres, not just jazz.
Japan's Largest Imoni Festival
Mamigasaki Riverbed, Yamagata CityUsually SeptemberAn event serving imoni, Yamagata's famous taro stew, cooked in a giant pot. It's Yamagata's signature autumn event.
Hakkoda Autumn Leaves
Hakkoda, AomoriUsually late September–mid-OctoberOne of the places in Tohoku where the autumn leaves start early. From the Hakkoda Ropeway, you can look out over the colorful mountains.
Dates change every year. Please check the official websites before you go.
FAQ
FAQ
Q. What's the temperature in Sendai in September?＋
On average, the high is 25.0°C and the low is 18.0°C. Short sleeves are fine early in the month; in late September, bring thin long sleeves or a layer.
Q. Does it rain a lot in Tohoku in September?＋
It's a rainy time of year due to autumn rains and typhoons. Sendai's September precipitation is 192.6 mm, the highest of any month.
Q. Can I see autumn leaves in Tohoku in September?＋
It's still early in the lowlands, but in Hakkoda the autumn leaves usually start in late September.
Plan Your Trip
Plan Your Tohoku TripPR
Other Months
Tohoku Weather in Other Months
Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperatures are from a representative station in each area; actual weather varies from year to year.