Pack or skip
Sun hat for Osaka in September
Verdict
Pack it
Midday temps around 82°F — a brim beats reapplying sunscreen every hour.
Why
Osaka in September averages highs of 82°F, lows of 69°F, 11 rainy days.
That climate means a sun hat earns its space in the bag. Midday temps around 82°F — a brim beats reapplying sunscreen every hour.