When to go · Minami-Uonuma

Minami-Uonuma in September

Mixed month. Outside the best window (Mar (festival), Dec–Feb (snow activities)). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Key facts

Verdict: Mixed
Temperature: 24°C (75°F)75°F (24°C) / 17°C (63°F)63°F (17°C); average high / low
Rain days: 9
Crowds: Medium; Japan overall
Prices: Medium; Japan overall

Plan around it

Verdict

MixedJapan month rating

Outside the best window (Mar (festival), Dec–Feb (snow activities)). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Is another month better than September?

September is rated mixed. These months rate higher:

Weather in September

Long-term averages

Minami-UonumaHighs around 24 °C (75 °F), lows around 17 °C (63 °F), rain on about 9 daysHighs around 75 °F (24 °C), lows around 63 °F (17 °C), rain on about 9 days

Crowds and prices

Crowds · Japan overall: Medium
Prices · Japan overall: Medium

Japan overall: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Compare two months

Weather, crowds and prices for any two months in Minami-Uonuma, side by side.

First month

Second month

Verdict
Sep: Mixed
Jan: Great (better)
Daytime high
Sep: 24 °C (75 °F)75 °F (24 °C)
Jan: 5 °C (41 °F)41 °F (5 °C)
Night low
Sep: 17 °C (63 °F)63 °F (17 °C)
Jan: -2 °C (28 °F)28 °F (-2 °C)
Rain days
Sep: 9 (better)
Jan: 11
Crowds
Sep: Medium
Jan: Low
Prices
Sep: Medium
Jan: Low
Festivals listed
Sep: 0
Jan: 1

September: Outside the best window (Mar (festival), Dec–Feb (snow activities)). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.

January: Inside Minami-Uonuma's best window: Mar (festival), Dec–Feb (snow activities).

Minami-Uonuma: figures are long-term averages from this guide, not a forecast.

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Across Japan in September →