Measurements:
°C
°F
CURRENT WEATHER
05:29
Atami
78°F
NE 14 mph
Feels like: 84°F
Precip: 29%
World Resorts Japan Atami Weather

7 Day Weather Forecast

09.09
wed
DAY
78°F
NE 7 mph
precip
55%
NIGHT
66°F
W 6 mph
precip
86%
09.10
thu
DAY
68°F
W 8 mph
precip
51%
NIGHT
66°F
W 6 mph
precip
53%
09.11
fri
DAY
70°F
W 4 mph
precip
45%
NIGHT
68°F
W 3 mph
precip
37%
09.12
sat
DAY
78°F
SW 3 mph
precip
25%
NIGHT
72°F
W 1 mph
precip
15%
09.13
sun
DAY
76°F
W 7 mph
precip
13%
NIGHT
72°F
W 2 mph
precip
37%
09.14
mon
DAY
88°F
SE 2 mph
precip
4%
NIGHT
76°F
E 3 mph
precip
21%
09.15
tue
DAY
82°F
E 6 mph
precip
27%
NIGHT
74°F
E 6 mph
precip
47%

Atami Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Atami was 26.5°F. The maximum and minimum values were 24.5°F and 28.0°F respectively.

Atami on the Weather Map

Best Time to Visit Atami
The most sunny months:
January 17 days
December 17 days
May 13 days
The most warm months:
August 89.7 °F
July 87.0 °F
September 83.3 °F
Warmest sea temperature:
August 83.8 °F
September 81.9 °F
July 79.6 °F
The most cold months:
January 48.1 °F
February 49.2 °F
December 53.3 °F
The most rainy months:
September 8 days
June 8 days
July 7 days
The most windy months:
March 8 mph
April 8 mph
February 8 mph
more details