World Resorts USA Monterey Weather

Monterey Sea Temperature in September

Average sea water temperature in September:
+59.6°F
Minimum sea water temperature in September: 65.3°F
Maximum sea water temperature in September: 55.8°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 60.7°F. The highest and lowest sea temperatures during the month were 62.6°F and 58.1°F.

Monthly sea water temperature in Monterey, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Islamorada 86.7°F 87.3°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°F 86.4°F
Everglades 86.2°F 87.0°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Marco Island 86.0°F 87.2°F
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Sanibel Island 85.7°F 87.0°F
Galveston Island 85.5°F 84.4°F
Galveston 85.5°F 83.7°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F

Best time for vacation in Monterey

Sunniest months:
June 18 days
May 17 days
July 17 days
Warmest months:
September 66.4 °F
August 66.4 °F
October 65.1 °F
Warmest sea temp:
September 59.6 °F
August 59.0 °F
October 58.9 °F
Coldest months:
February 57.0 °F
December 57.1 °F
March 57.2 °F
Rainiest months:
March 4 days
February 3 days
January 3 days
Windiest months:
May 8.4 mph
April 8.3 mph
March 8.3 mph

Monterey on a weather map

Monterey
+45°F
W 9 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+73°F
+73°F
+45°F
+52°F
+64°F
+64°F
+68°F
+36°F
+54°F
+46°F
+59°F
+59°F
+50°F
+25°F
24 Hours Forecast
Monterey
Local time: 00:01
December 29, monday
0300
43°F
W
8 mph
0600
45°F
W
9 mph
0900
45°F
W
9 mph
1200
55°F
W
7 mph
1500
63°F
SW
6 mph
1800
59°F
SW
6 mph
2100
55°F
W
9 mph
December 30, tuesday
0000
52°F
W
7 mph
Units of measurement: °C / °F