Pack or skip
Umbrella for Osaka in September
Verdict
Pack it
Around 11 rainy days across the month — an umbrella earns its space.
Why
Osaka in September averages highs of 82°F, lows of 69°F, 11 rainy days.
That climate means an umbrella earns its space in the bag. Around 11 rainy days across the month — an umbrella earns its space.