Current sea water temperature:
+64.2°F
| Minimum sea water temperature in September: | 71.8°F |
| Maximum sea water temperature in September: | 32.0°F |
| Average sea water temperature in September: | 63.9°F |
| more information | |
14 days
forecast
forecast
| Yosemite |
monthly
weather
weather
| Yosemite |
Sea water temperature for the last 10 days:
| September 14 | 64.2°F | September 9 | 63.7°F |
| September 13 | 64.8°F | September 8 | 64.0°F |
| September 12 | 64.2°F | September 7 | 64.0°F |
| September 11 | 64.4°F | September 6 | 66.2°F |
| September 10 | 63.7°F | September 5 | 65.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Yosemite?
Based on the data about daily sea water temperature for the last three years the warmest sea in Yosemite was noticed in August, July and September.
Monthly Sea Temperatures in Yosemite, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 72.9°F. The highest and lowest sea temperatures during the month were 75.4°F and 70.3°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 71.5°F. The highest and lowest sea temperatures during the month were 74.5°F and 67.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.6°F. The highest and lowest sea temperatures during the month were 68.4°F and 61.7°F.
current
weather
weather
| Yosemite |
weather in
September
September
| Yosemite |
Best time for vacation in Yosemite
Yosemite on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Yosemite
Local time: 13:41
September 14, monday
1500
68°F
E
10 mph
10 mph
1800
59°F
E
6 mph
6 mph
2100
46°F
W
6 mph
6 mph
September 15, tuesday
0000
46°F
W
4 mph
4 mph
0300
46°F
W
4 mph
4 mph
0600
43°F
W
6 mph
6 mph
0900
59°F
NE
5 mph
5 mph
1200
66°F
NE
11 mph
11 mph
