Measurements:
°C
°F
CURRENT WEATHER
08:52
Hiroshima
66°F
W 2 mph
Feels like: 66°F
Precip: 44%
World Resorts Japan Hiroshima Weather

14 Day Weather Forecast

09.29
tue
DAY
68°F
SW 3 mph
precip
32%
NIGHT
64°F
S 4 mph
precip
20%
09.30
wed
DAY
80°F
NW 1 mph
precip
3%
NIGHT
66°F
SW 1 mph
precip
19%
10.01
thu
DAY
82°F
E 2 mph
precip
2%
NIGHT
58°F
S 5 mph
precip
12%
10.02
fri
DAY
74°F
SW 6 mph
precip
2%
NIGHT
54°F
S 6 mph
precip
12%
10.03
sat
DAY
76°F
NW 2 mph
precip
1%
NIGHT
62°F
S 3 mph
precip
28%
10.04
sun
DAY
78°F
S 8 mph
precip
1%
NIGHT
58°F
S 6 mph
precip
14%
10.05
mon
DAY
72°F
S 14 mph
precip
1%
NIGHT
56°F
S 5 mph
precip
21%
10.06
tue
DAY
68°F
S 12 mph
precip
1%
NIGHT
52°F
S 5 mph
precip
23%
10.07
wed
DAY
64°F
S 10 mph
precip
3%
NIGHT
50°F
S 4 mph
precip
10%
10.08
thu
DAY
70°F
N 3 mph
precip
1%
NIGHT
54°F
S 3 mph
precip
11%
10.09
fri
DAY
72°F
N 2 mph
precip
10%
NIGHT
56°F
S 4 mph
precip
13%
10.10
sat
DAY
76°F
N 3 mph
precip
1%
NIGHT
60°F
S 5 mph
precip
11%
10.11
sun
DAY
72°F
S 9 mph
precip
5%
NIGHT
56°F
S 6 mph
precip
14%
10.12
mon
DAY
72°F
SW 5 mph
precip
1%
NIGHT
58°F
S 4 mph
precip
12%

Hiroshima Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Hiroshima was 82.7°F. The maximum and minimum values were 80.8°F and 86.8°F respectively.

Hiroshima on the Weather Map

Best Time to Visit Hiroshima
The most sunny months:
May 16 days
October 15 days
April 14 days
The most warm months:
August 92.5 °F
July 89.7 °F
September 85.3 °F
Warmest sea temperature:
August 84.8 °F
September 81.5 °F
July 80.8 °F
The most cold months:
January 45.8 °F
February 47.6 °F
December 49.7 °F
The most rainy months:
July 9 days
June 9 days
August 8 days
The most windy months:
December 6 mph
January 6 mph
February 6 mph
more details
Japan Resorts:
NAME
F°
Atami +70
Fukuoka +68
Hakone +72
Hiroshima +66
Kamakura +74
Kobe +68
Kyoto +66
Nagasaki +76
Nagoya +68
Nara +68
Okinawa +86
Osaka +70
Sapporo +54
Tokyo +70
Yokohama +72
all resorts
24 Hours Weather Forecast
Hiroshima
Local time: 08:52
29 sep, tuesday
0900 66°F
W
2 mph
1200 68°F
SW
3 mph
1500 70°F
SW
4 mph
1800 66°F
SW
4 mph
2100 64°F
SW
4 mph
30 sep, wednesday
0000 64°F
S
4 mph
0300 62°F
SW
4 mph
0600 62°F
S
4 mph