Iwate Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Iwate, Japan in September.

Are you planning a trip a to Iwate, Japan in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Iwate in September

Iwate, Japan is a region in Japan. September in Iwate generally has warm temperatures, with precipitation levels ranging from high to heavy. September is a summer month.

Temperatures

The average maximum temperatures are warm and range from 22°C (72°F) in Miyako to 25°C (77°F) in Ichinoseki. Nighttime temperatures generally drop to 17°C (63°F) in Ichinoseki and 17°C (63°F) in Miyako.

For specific regional insights in Iwate, Japan, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Morioka with an average of 157 mm (6.2 in) to heavy rainfall in Kamaishi with 212 mm (8.3 in).

Explore Iwate by month

Best Places to Visit in Iwate in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Iwate.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Iwate

What is the weather like in September for some of the most popular destinations in Iwate, Japan?

Temperature range in Iwate (September)

Precipitation variation in Iwate (September)

Morioka

In September Morioka generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
27°C (81°F)
23°C (73°F)
16°C (61°F)
Min temperature
18°C (64°F)
14°C (57°F)
7°C (45°F)
Monthly rainfall
152 mm (6 in)
157 mm (6.2 in)
121 mm (4.8 in)
Monthly rainy days
20 days
20 days
19 days
Weather conditions

Hachimantai

In September Hachimantai generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
27°C (81°F)
23°C (73°F)
16°C (61°F)
Min temperature
19°C (66°F)
14°C (57°F)
7°C (45°F)
Monthly sun hours
169 hours
144 hours
162 hours
Monthly rainfall
160 mm (6.3 in)
160 mm (6.3 in)
126 mm (5 in)
Monthly rainy days
20 days
20 days
19 days
Weather conditions

Hanamaki

In September Hanamaki generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 15°C (59°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
28°C (82°F)
24°C (75°F)
18°C (64°F)
Min temperature
19°C (66°F)
15°C (59°F)
8°C (46°F)
Monthly rainfall
155 mm (6.1 in)
161 mm (6.3 in)
125 mm (4.9 in)
Monthly rainy days
19 days
20 days
18 days
Weather conditions

Shizukuishi

In September Shizukuishi generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 15°C (59°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
27°C (81°F)
23°C (73°F)
17°C (63°F)
Min temperature
19°C (66°F)
15°C (59°F)
7°C (45°F)
Monthly rainfall
168 mm (6.6 in)
172 mm (6.8 in)
137 mm (5.4 in)
Monthly rainy days
20 days
20 days
19 days
Weather conditions

Ichinoseki

In September Ichinoseki generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 17°C (63°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
29°C (84°F)
25°C (77°F)
19°C (66°F)
Min temperature
21°C (70°F)
17°C (63°F)
10°C (50°F)
Monthly rainfall
162 mm (6.4 in)
171 mm (6.7 in)
129 mm (5.1 in)
Monthly rainy days
19 days
19 days
18 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Iwate, in Japan.

Popular cities in September

Day & night temperatures, rainfall and average weather in Iwate in September.

City Weather Day temp Night temp Rainfall
Morioka 23°C (73°F) 14°C (57°F) 157 mm (6.2 in)
Hachimantai 23°C (73°F) 14°C (57°F) 160 mm (6.3 in)
Hanamaki 24°C (75°F) 15°C (59°F) 161 mm (6.3 in)
Shizukuishi 23°C (73°F) 15°C (59°F) 172 mm (6.8 in)
Ichinoseki 25°C (77°F) 17°C (63°F) 171 mm (6.7 in)
Kitakami 24°C (75°F) 15°C (59°F) 165 mm (6.5 in)

Iwate weather in September: frequently asked questions

What is the weather like in Iwate, Japan in September?

Expect pleasant weather across Iwate, Japan in September. The popular destination of Morioka averages 23°C (73°F) by day and 14°C (57°F) at night during this summer month.

What is the average temperature in Iwate, Japan in September?

Morioka averages a daytime maximum of 23°C (73°F) in September, with overnight lows close to 14°C (57°F).

Does Iwate, Japan get a lot of rain in September?

Yes, September tends to be a wetter month in Iwate, Japan. Average rainfall in Morioka sits around 157 mm (6.2 in).

Is September a Good Time to Visit Iwate, Japan?

We believe that September is one of the best times to visit Iwate, Japan with overall pleasant weather in Morioka. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, June, July, August and September provide pleasant weather in Morioka. In contrast, January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Iwate.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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