World Resorts Japan Osaka Weather

Osaka weather in September

Weather in Osaka: September

Average day temperature: 84.2°F
Average night temperature: 72.3°F
Sea water temperature: 79.6°F
Number of sunny days: 11 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 6 days
Precipitation totals: 4.0 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 89°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during September were 79.0°F and 73.2°F.

Sea water temperature in Osaka in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 81.2°F. The highest and lowest sea temperatures during the month were 85.3°F and 79.0°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Osaka in September is 3.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.6 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.9.

Best time for vacation in Osaka

Sunniest months:
May 16 days
August 16 days
October 15 days
Warmest months:
August 91.7 °F
July 88.5 °F
September 84.2 °F
Warmest sea temp:
August 82.7 °F
September 79.6 °F
July 79.4 °F
Coldest months:
January 46.6 °F
February 48.7 °F
December 50.9 °F
Rainiest months:
June 7 days
July 6 days
September 6 days
Windiest months:
January 7.4 mph
December 7.4 mph
February 7.3 mph

Osaka on a weather map

Osaka
+73°F
SW 1 mph
Feels like: +77°F
Precip.: 3%
Places in Japan:
Name
°F
+70°F
+70°F
+72°F
+73°F
+73°F
+75°F
+73°F
+73°F
+81°F
+73°F
+64°F
+72°F
+75°F
+72°F
+73°F
24 Hours Forecast
Osaka
Local time: 08:03
October 11, sunday
0900
73°F
SW
1 mph
1200
81°F
SE
2 mph
1500
82°F
SE
6 mph
1800
75°F
S
11 mph
2100
72°F
S
7 mph
October 12, monday
0000
70°F
S
6 mph
0300
68°F
SW
3 mph
0600
68°F
SW
2 mph
Units of measurement: °C / °F