World Resorts USA Santa Monica Weather

Santa Monica weather in September

Weather in Santa Monica: September

Average day temperature: 78.3°F
Average night temperature: 68.9°F
Sea water temperature: 68.7°F
Number of sunny days: 22 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 94°F. At the same time the lowest night temperature was 58°F. Day and night temperature averages during September were 75.4°F and 66.9°F.

Sea water temperature in Santa Monica in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 68.6°F. The highest and lowest sea temperatures during the month were 73.6°F and 64.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Santa Monica in September is 0.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.4 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: 9.2.

Best time for vacation in Santa Monica

Sunniest months:
July 25 days
August 25 days
October 23 days
Warmest months:
August 80.7 °F
September 78.3 °F
July 78.2 °F
Warmest sea temp:
August 68.9 °F
September 68.7 °F
July 68.0 °F
Coldest months:
December 63.8 °F
January 63.9 °F
February 64.2 °F
Rainiest months:
January 2 days
February 2 days
March 2 days
Windiest months:
April 6.9 mph
May 6.9 mph
March 6.5 mph

Santa Monica on a weather map

Santa Monica
+64°F
SE 2 mph
Feels like: +64°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+59°F
+77°F
+77°F
+54°F
+66°F
+79°F
+73°F
+57°F
+64°F
+57°F
+73°F
+73°F
+77°F
+64°F
24 Hours Forecast
Santa Monica
Local time: 21:45
November 05, tuesday
0000
63°F
SW
2 mph
0300
61°F
SW
2 mph
0600
59°F
SW
1 mph
0900
63°F
SW
2 mph
1200
70°F
N
5 mph
1500
66°F
NE
7 mph
1800
63°F
NE
6 mph
2100
59°F
N
3 mph
Units of measurement: °C / °F