Shinjuku weather in September
Warm and pleasant, with regular rainfall. Average highs of 27°C and lows of 20°C, with around 15 rainy days expected throughout the month.
While September isn't our top-rated month for Shinjuku, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
27°C
Average low
20°C
Rainy days
15 days
Best months to visit
May, June
What to do in Shinjuku in September
Whatever the weather, Shinjuku rewards curious visitors. Here are some of the best ways to spend your time:
Golden Gai bar hopping and exploration
Kabukicho entertainment district tours
Department store shopping
Observation deck city views
Nightlife and karaoke experiences
Morning market visits
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
9C
Cold, with occasional showers.
February
10C
Cool, with occasional showers.
March
14C
Cool, with some rainy days.
April
18C
Mild and comfortable, with some rainy days.
Recommended
May
23C
Mild and comfortable, with some rainy days.
Recommended
June
26C
Warm and pleasant, with regular rainfall.
July
30C
Hot and humid, with regular rainfall.
August
31C
Hot and humid, with some rainy days.
September (you are here)
27C
Warm and pleasant, with regular rainfall.
October
21C
Mild and comfortable, with some rainy days.
November
17C
Cool, with some rainy days.
December
11C
Cool, with occasional showers.
Book your September trip to Shinjuku
Find hotels, tours and experiences for the perfect escape.
