Carlsbad in september: average Weather, Temperature and Climate
Weather in Carlsbad in september 2025
The weather in Carlsbad in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 7
Weather at 6am
74°F
Clear/Sunny
77% of time
13%
7%
3%
Weather at 12pm
81°F
Clear/Sunny
86% of time
9%
5%
1%
Weather at 6pm
70°F
Clear/Sunny
76% of time
17%
6%
2%
Weather at 3am
70°F
80%
13%
5%
2%
Evolution of daily average temperature and precipitation in Carlsbad in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Carlsbad in september.
The climate of Carlsbad in september is perfect
The weather in september in Carlsbad is dry ; it never rains.
The climate quite pleasant here this month. The thermometer averaged maximum of 81°F. On average, the recorded minimum temperature is 74°F. Thus, the mean temperature average in september in Carlsbad is 77°F. Note that these seasonal averages are in contrast with those observed in Carlsbad in september with a maximum record of 101°F in 2020 and a minimum record of 61°F in 2010. You can expect to have about 6 days with temperatures up to 86°F, or 20 of time.
On this month of september, day length in Carlsbad is generally 12:22. The sun rises at 05:33 and sets at 17:55.
With ideal weather conditions, september is advisable to go in that area in California.
Seasonal average climate and temperature of Carlsbad in september
Check below seasonal norms These statistics are set from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 77°F | ||||
| Highest temperature | 81°F | ||||
| Lowest temperature | 74°F | ||||
| Highest record temperature | 101°F (2020) | ||||
| Lowest record temperature | 61°F (2010) | ||||
| Number of days at +86°F | 6 day(s) (20%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 68°F | ||||
| Lowest sea temperature | 65°F | ||||
| Highest sea temperature | 70°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 74°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.7in | ||||
| Number of days with rainfall | 1 day(s) (3%) | ||||
| Record daily rainfall | 0.6in (2016) | ||||
| Other climate data | |||||
| Humidity | 68% | ||||
| Visibility | 9.91km | ||||
| Cloud cover | 9% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:33 | ||||
| Time of sunset | 17:55 | ||||
| Length of day | 12:22 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Carlsbad in september 2024:
68°F to 77°F
70°F to 77°F
72°F to 79°F
72°F to 79°F
74°F to 83°F
76°F to 86°F
76°F to 88°F
81°F to 90°F
77°F to 85°F
76°F to 81°F
67°F to 72°F
65°F to 74°F
65°F to 72°F
65°F to 72°F
65°F to 70°F
65°F to 68°F
63°F to 67°F
63°F to 67°F
63°F to 68°F
63°F to 67°F
63°F to 68°F
65°F to 70°F
65°F to 70°F
63°F to 68°F
63°F to 68°F
61°F to 67°F
61°F to 67°F
61°F to 67°F
59°F to 67°F
59°F to 68°F
Map: other cities in California in september
Cities near Carlsbad:
| Oceanside in september | perfect weather |
| Encinitas in september | perfect weather |
| San Clemente in september | perfect weather |
| Temecula in september | perfect weather |
| Cleveland National Forest in september | perfect weather |
| San Diego in september | perfect weather |
| Chula Vista in september | perfect weather |
| Newport Beach in september | perfect weather |
| Huntington Beach in september | perfect weather |
| Anza-Borrego Desert State Park in september | perfect weather |
| Palm Springs in september | perfect weather |
| San Bernardino in september | perfect weather |
Click over cities on the map for information about the weather in september.
Carlsbad
perfect weather
good
tolerable
bad
very bad
Weather data for Carlsbad in september:
Weather data for Carlsbad for september are derived from an average of the weather forecast since 2009 in Carlsbad. There is a margin of error and these forecasts are to be considered as general information only. The weather in Carlsbad can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Carlsbad.