Torrance, CA weather in September
Expect mild, dry weather in Torrance in September, with highs near 77°F and lows near 64°F. Rain falls on about 1 day. Good for outdoor plans.
- Normal high
- 77°F
- Normal low
- 64°F
- Wet days
- 1
- 0.1 in total
- Muggy days
- 2
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 77°F | 75°F |
| Normal low | 65°F | 62°F |
| Chance of a wet day | 1% | 3% |
| Sunrise / sunset | 6:27 am / 7:19 pm | 6:47 am / 6:39 pm |
| Daylight | 12.9 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical September day
- 6 am65°Fdew point 60°F
- 9 am72°Fdew point 60°F
- Noon74°Fdew point 60°F
- 3 pm73°Fdew point 60°F
- 6 pm68°Fdew point 60°F
- 9 pm67°Fdew point 60°F
NOAA hourly normals (local standard time) from Los Angeles Intl Airport (8 mi away); average wind 7 mph; clear or few clouds in 53% of daytime hours, mostly cloudy or overcast in 24%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F10 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph7 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more2 of 30
- Wet daysat least 0.01 in of rain or melted snow1 of 30
- Notable rainat least 0.10 in0 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 0.1 in; a dry September brings about 0.0 in and a wet one about 0.03 in (25th and 75th percentiles). Days with half an inch or more are rare.
How September varies from year to year
- Warmest September, 1991-20201997: average high 82°F
- Coolest September2011: average high 72°F
- Wettest September2015: 1.8 in
- Driest September1992: no measurable precipitation
- Highest reading105°F (September 27, 2010)
- Lowest reading56°F (September 23, 2017)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 77°F | 77°F | 74°F |
| Normal low | 65°F | 64°F | 60°F |
| Wet days | 0 | 1 | 2 |
| Comfortable days | 8 | 10 | 18 |
| Daylight | 13.4 h | 12.4 h | 11.3 h |
Highs change by 0°F from August and -3°F into October.
Nearby alternatives in September
- Warmer: Long Beach, CA10 mi · high 82°F · 1 wet day
- Cooler: Oceanside, CA71 mi · high 71°F · 1 wet day
How Torrance ranks in September
- Normal high250th warmest of 378 cities; 49th of 60 in California
- Wet days11th driest of 378
- Comfortable days150th most of 342
Heating and cooling
September has 2 heating degree days and 155 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How hot is Torrance in September?
The normal high is 77°F and the normal low is 64°F. From 1991 to 2020 the hottest September reading was 105°F (September 27, 2010).
Does it rain a lot in Torrance in September?
About 1 days in September have at least 0.01 in of precipitation, and the normal total is 0.1 in. The wettest September in 1991-2020 was in 2015 (1.8 in); the driest was in 1992, with no measurable precipitation.
Is September a good time to visit Torrance?
September ranks 8th of 12 months on our comfort score for Torrance (67 out of 100). It has about 10 comfortable days and about 1 day at 90°F or hotter. The best months are May and June.
Where the numbers come from
- Temperature, rain, humidity and wind by hour and cloud cover: Los Angeles Intl Airport (USW00023174), 7.6 mi NNW of the city center, 97 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: U C L A (USC00049152), 17 mi NNW of the city center, 430 ft (344 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Torrance Airport (USW00003122), 2.4 mi S of the city center, 90 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Los Angeles International Airport (722950-23174), 7.5 mi NNW of the city center, 97 ft . Hourly observations, 1991-2020.