Measurements:
°C
°F
CURRENT WEATHER
07:38
Atami
70°F
W 2 mph
Feels like: 70°F
Precip: 68%
World Resorts Japan Atami Weather

7 Day Weather Forecast

09.29
tue
DAY
68°F
W 6 mph
precip
82%
NIGHT
62°F
SW 6 mph
precip
80%
09.30
wed
DAY
62°F
SW 9 mph
precip
52%
NIGHT
64°F
SW 4 mph
precip
52%
10.01
thu
DAY
76°F
W 4 mph
precip
9%
NIGHT
70°F
W 2 mph
precip
13%
10.02
fri
DAY
70°F
SW 12 mph
precip
15%
NIGHT
64°F
W 4 mph
precip
32%
10.03
sat
DAY
66°F
SW 14 mph
precip
12%
NIGHT
58°F
SW 10 mph
precip
8%
10.04
sun
DAY
68°F
SW 14 mph
precip
2%
NIGHT
60°F
SW 11 mph
precip
24%
10.05
mon
DAY
66°F
SW 14 mph
precip
14%
NIGHT
58°F
SW 6 mph
precip
20%

Atami Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Atami was 25.7°F. The maximum and minimum values were 24.5°F and 26.8°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 82.7 °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