Iwaki Weather in September

Thinking of visiting Iwaki in September? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 19°C (66°F) at night, and be prepared for the wettest month of the year.

Rainfall in Iwaki in September

With the year's heaviest rain occurring this month, it's best to be equipped with a poncho to handle the frequent downpours. Climate statistics over the past 30 years suggest around 20 days of rain, with 205 mm (8.1 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Iwaki in September

September in Iwaki sees highs of 25°C (77°F) and lows of 19°C (66°F) overnight. During September, you'll experience the summer season. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June and August typically offer the best weather for Iwaki.