Chula Vista in september: average Weather, Temperature and Climate
Weather in Chula Vista in september 2025
The weather in Chula Vista 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
76°F
Clear/Sunny
79% of time
13%
7%
2%
Weather at 12pm
81°F
Clear/Sunny
83% of time
10%
7%
1%
Weather at 6pm
76°F
Clear/Sunny
78% of time
13%
6%
3%
Weather at 3am
72°F
84%
13%
3%
2%
Evolution of daily average temperature and precipitation in Chula Vista in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Chula Vista in september.
The climate of Chula Vista in september is perfect
In september in Chula Vista, the climate is dry ; it never rains.
The climate quite good in that area the month of september. The high seasonal norm is 83°F. In the morning the temperature drops to 76°F. Thus, the mean temperature average in september in Chula Vista is 79°F. Note that these seasonal averages are in contrast with those observed in Chula Vista in the month of september with a maximum record of 103°F in 2020 and a minimum record of 63°F in 2010. You can expect to have about 7 days with temperatures over 86°F, or 23 of the month.
In september in Chula Vista, the days on average last 12:21. Sunrise is at 05:33 and sets at 17:54.
With a perfect climate, september is recommended to go there in California.
Seasonal average climate and temperature of Chula Vista in september
Check below seasonal norms These datas are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 79°F | ||||
| Highest temperature | 83°F | ||||
| Lowest temperature | 76°F | ||||
| Highest record temperature | 103°F (2020) | ||||
| Lowest record temperature | 63°F (2010) | ||||
| Number of days at +86°F | 7 day(s) (23%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 67°F | ||||
| Lowest sea temperature | 65°F | ||||
| Highest sea temperature | 70°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 76°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.6in | ||||
| Number of days with rainfall | 1 day(s) (3%) | ||||
| Record daily rainfall | 0.9in (2016) | ||||
| Other climate data | |||||
| Humidity | 66% | ||||
| Visibility | 9.93km | ||||
| Cloud cover | 9% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:33 | ||||
| Time of sunset | 17:54 | ||||
| Length of day | 12:21 | ||||
| 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 Chula Vista in september 2024:
70°F to 79°F
72°F to 81°F
74°F to 83°F
74°F to 85°F
76°F to 88°F
77°F to 90°F
79°F to 90°F
83°F to 92°F
81°F to 88°F
77°F to 86°F
70°F to 76°F
67°F to 74°F
67°F to 72°F
67°F to 74°F
67°F to 72°F
65°F to 70°F
63°F to 68°F
61°F to 68°F
61°F to 70°F
63°F to 68°F
63°F to 70°F
65°F to 76°F
65°F to 76°F
63°F to 74°F
65°F to 74°F
63°F to 70°F
61°F to 72°F
63°F to 74°F
63°F to 74°F
61°F to 74°F
Map: other cities in California in september
Cities near Chula Vista:
| San Diego in september | perfect weather |
| Encinitas in september | perfect weather |
| Carlsbad in september | perfect weather |
| Oceanside in september | perfect weather |
| Cleveland National Forest in september | perfect weather |
| Anza-Borrego Desert State Park in september | perfect weather |
| Temecula in september | perfect weather |
| San Clemente in september | perfect weather |
| Newport Beach in september | perfect weather |
| Palm Springs in september | perfect weather |
| Huntington Beach in september | perfect weather |
| San Bernardino in september | perfect weather |
Click over cities on the map for information about the weather in september.
Chula Vista
perfect weather
good
tolerable
bad
very bad
Weather data for Chula Vista in september:
Weather data for Chula Vista for september are derived from an average of the weather forecast since 2009 in Chula Vista. There is a margin of error and these forecasts are to be considered as general information only. The weather in Chula Vista 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 Chula Vista.