Measurements:
°C
°F
Monterey
52°F
NE 3 mph
Feels like: 52°F
Precip: 9%
World Resorts USA Monterey Weather

7 Day Weather Forecast

09.15
tue
DAY
76°F
SE 8 mph
precip
1%
NIGHT
54°F
NE 2 mph
precip
13%
09.16
wed
DAY
76°F
SE 8 mph
precip
5%
NIGHT
50°F
NE 3 mph
precip
20%
09.17
thu
DAY
72°F
SE 8 mph
precip
1%
NIGHT
52°F
N 4 mph
precip
13%
09.18
fri
DAY
80°F
SE 8 mph
precip
1%
NIGHT
56°F
N 2 mph
precip
9%
09.19
sat
DAY
80°F
SE 7 mph
precip
1%
NIGHT
60°F
N 2 mph
precip
6%
09.20
sun
DAY
82°F
SE 7 mph
precip
6%
NIGHT
62°F
NW 3 mph
precip
9%
09.21
mon
DAY
84°F
SE 6 mph
precip
9%
NIGHT
68°F
NW 2 mph
precip
11%

Monterey Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Monterey was 15.2°F. The maximum and minimum values were 13.5°F and 17.0°F respectively.

Monterey on the Weather Map

Best Time to Visit Monterey
The most sunny months:
November 17 days
June 17 days
July 17 days
The most warm months:
September 68.2 °F
August 68.2 °F
October 66.7 °F
Warmest sea temperature:
September 60.7 °F
August 60.0 °F
October 59.9 °F
The most cold months:
December 58.0 °F
February 58.2 °F
January 58.4 °F
The most rainy months:
March 4 days
February 3 days
January 3 days
The most windy months:
May 8 mph
April 8 mph
February 8 mph