Torrance weather in September: Torrance, California: normal highs, lows, rain and records for September

Torrance in September has a normal high of 78°F and a normal low of 61°F, a daily mean of 70°F, falling from 79°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 0 days in a normal September, 0.09 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 16°C, 2 mm of precipitation in September.

  • NOAA stationTorrance Airport
  • Station IDUSW00003122
  • Location33.80°N 118.34°W
  • Elevation90 ft (27 m)
  • From the center2 miles
  • Population139,576
  1. Jan 67° 47°
  2. Feb 66° 48°
  3. Mar 68° 50°
  4. Apr 70° 52°
  5. May 72° 55°
  6. Jun 74° 59°
  7. Jul 77° 62°
  8. Aug 78° 62°
  9. Sep 78° 61°
  10. Oct 76° 57°
  11. Nov 71° 51°
  12. Dec 66° 46°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Torrance in September?

The normal high is 78°F and the normal low 61°F, for a daily mean of 69.5°F. September is 0.7°F cooler than August and 3.1°F warmer than October. September is the 2nd warmest month of the year in Torrance and the 9th wettest. Across the month the normal high falls 2°F, from 79°F on September 1 to 77°F on September 30. From one year to the next September's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 67°F and 72°F.

Torrance in September, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 3%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 179°F62°F1%0%
September 879°F62°F1%1%
September 1578°F61°F1%1%
September 2278°F60°F2%1%
September 3077°F59°F3%1%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 2, coldest night September 30)
Torrance: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 179°F62°F1%0%12 h 50 min
September 279°F62°F1%0%12 h 50 min
September 379°F62°F1%0%12 h 50 min
September 479°F62°F1%0%12 h 50 min
September 579°F62°F1%1%12 h 50 min
September 679°F62°F1%1%12 h 40 min
September 779°F62°F1%1%12 h 40 min
September 879°F62°F1%1%12 h 40 min
September 979°F62°F1%1%12 h 40 min
September 1079°F62°F1%1%12 h 40 min
September 1179°F61°F1%1%12 h 30 min
September 1278°F61°F1%1%12 h 30 min
September 1378°F61°F1%1%12 h 30 min
September 1478°F61°F1%1%12 h 30 min
September 1578°F61°F1%1%12 h 30 min
September 1678°F61°F1%1%12 h 20 min
September 1778°F61°F2%1%12 h 20 min
September 1878°F61°F2%1%12 h 20 min
September 1978°F61°F2%1%12 h 20 min
September 2078°F61°F2%1%12 h 20 min
September 2178°F61°F2%1%12 h 10 min
September 2278°F60°F2%1%12 h 10 min
September 2378°F60°F2%1%12 h 10 min
September 2478°F60°F2%1%12 h 10 min
September 2578°F60°F2%1%12 h 10 min
September 2677°F60°F3%1%12 h
September 2777°F60°F3%1%12 h
September 2877°F60°F3%1%12 h
September 2977°F60°F3%1%12 h
September 3077°F59°F3%1%11 h 50 min
Normal high
78°FSeptember average
Normal low
61°FSeptember average
Precipitation
0.09 inmonth total
Days with precipitation
fewer than 10.01 inch or more
Days at 90°F or more
1
Daylight
12 h 50 min to 11 h 50 minSeptember 1 to September 30
Days at 70°F or more
29
Days at 80°F or more
10
Sunshine
84%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00003122; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Torrance in September?

On a given September day the chance of 0.01 inch or more is 2% on average, highest around September 30 (3%). In all, 0.09 in falls on 0 days of a normal September.

In a normal September in Torrance, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003122.

What are the records for September in Torrance?

The warmest September temperature on this station's record (since 1932) is 108°F, on September 26, 1963; the coldest is 41°F, on September 30, 1936. The wettest September brought 6.43 in (1939).

The September mean against the 1991-2020 normal of 69.5°F: 2021 68.3°F (−1.2), 2022 75.5°F (+6.0), 2023 69.4°F (−0.1), 2024 69.4°F (−0.1), 2025 71.5°F (+2.0), 2026 74.1°F (+4.6). 3 of 6 ran warmer than normal.

Torrance: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202168.3°F−1.2°F0.00 in
202275.5°F+6.0°F0.20 in
202369.4°F−0.1°F0.05 in
202469.4°F−0.1°F0.00 in
202571.5°F+2.0°F0.05 in
202674.1°F+4.6°F1.79 in

Source: records: ACIS, station USW00003122; recent months: ACIS, station USW00003122. Records and recent months use complete months only.

How does September in Torrance compare across California?

Across the 219 places PlainClimate covers in California, September normal highs run from 64°F in Eureka to 104°F in Brawley; Torrance's is 78°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places