Los Gatos weather in September: Los Gatos, California: normal highs, lows, rain and records for September
Los Gatos in September has a normal high of 83°F and a normal low of 54°F, a daily mean of 68°F, falling from 84°F on the 1st to 80°F by the 30th. Measurable precipitation falls on 0 days in a normal September, 0.05 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 12°C, 1 mm of precipitation in September.
- NOAA stationLos Gatos
- Station IDUSC00045123
- Location37.23°N 121.96°W
- Elevation365 ft (111 m)
- From the centerunder 1 mile
- Population32,952
- Jan 59° 40°
- Feb 62° 41°
- Mar 66° 43°
- Apr 70° 45°
- May 76° 49°
- Jun 82° 53°
- Jul 85° 56°
- Aug 85° 56°
- Sep 83° 54°
- Oct 76° 49°
- Nov 65° 43°
- Dec 58° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Los Gatos in September?
The normal high is 83°F and the normal low 54°F, for a daily mean of 68.2°F. September is 2.0°F cooler than August and 6.0°F warmer than October. September is the 3rd warmest month of the year in Los Gatos and the 10th wettest. Across the month the normal high falls 4°F, from 84°F on September 1 to 80°F on September 30. From one year to the next September's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 67°F and 70°F.
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 4%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 84°F | 55°F | 1% | 0% |
| September 8 | 84°F | 55°F | 1% | 0% |
| September 15 | 83°F | 54°F | 2% | 1% |
| September 22 | 82°F | 53°F | 3% | 1% |
| September 30 | 80°F | 52°F | 4% | 2% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 84°F | 55°F | 1% | 0% | 13 h |
| September 2 | 84°F | 55°F | 1% | 0% | 13 h |
| September 3 | 84°F | 55°F | 1% | 0% | 13 h |
| September 4 | 84°F | 55°F | 1% | 0% | 12 h 50 min |
| September 5 | 84°F | 55°F | 1% | 0% | 12 h 50 min |
| September 6 | 84°F | 55°F | 1% | 0% | 12 h 50 min |
| September 7 | 84°F | 55°F | 1% | 0% | 12 h 50 min |
| September 8 | 84°F | 55°F | 1% | 0% | 12 h 50 min |
| September 9 | 84°F | 54°F | 1% | 0% | 12 h 40 min |
| September 10 | 84°F | 54°F | 1% | 0% | 12 h 40 min |
| September 11 | 84°F | 54°F | 1% | 0% | 12 h 40 min |
| September 12 | 83°F | 54°F | 1% | 1% | 12 h 40 min |
| September 13 | 83°F | 54°F | 1% | 1% | 12 h 30 min |
| September 14 | 83°F | 54°F | 2% | 1% | 12 h 30 min |
| September 15 | 83°F | 54°F | 2% | 1% | 12 h 30 min |
| September 16 | 83°F | 54°F | 2% | 1% | 12 h 30 min |
| September 17 | 83°F | 54°F | 2% | 1% | 12 h 20 min |
| September 18 | 83°F | 54°F | 2% | 1% | 12 h 20 min |
| September 19 | 82°F | 54°F | 2% | 1% | 12 h 20 min |
| September 20 | 82°F | 54°F | 2% | 1% | 12 h 20 min |
| September 21 | 82°F | 53°F | 2% | 1% | 12 h 10 min |
| September 22 | 82°F | 53°F | 3% | 1% | 12 h 10 min |
| September 23 | 82°F | 53°F | 3% | 1% | 12 h 10 min |
| September 24 | 82°F | 53°F | 3% | 2% | 12 h 10 min |
| September 25 | 81°F | 53°F | 3% | 2% | 12 h 10 min |
| September 26 | 81°F | 53°F | 3% | 2% | 12 h |
| September 27 | 81°F | 53°F | 3% | 2% | 12 h |
| September 28 | 81°F | 53°F | 3% | 2% | 12 h |
| September 29 | 80°F | 52°F | 4% | 2% | 12 h |
| September 30 | 80°F | 52°F | 4% | 2% | 11 h 50 min |
- Normal high
- 83°FSeptember average
- Normal low
- 54°FSeptember average
- Precipitation
- 0.05 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Days at 90°F or more
- 6
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 18
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00045123; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Los Gatos in September?
On a given September day the chance of 0.01 inch or more is 2% on average, highest around September 30 (4%). In all, 0.05 in falls on 0 days of a normal September.
In a normal September in Los Gatos, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00045123.
What are the records for September in Los Gatos?
The warmest September temperature on this station's record (since 1893) is 109°F, on September 2, 1955; the coldest is 38°F, on September 26, 1948. The wettest September brought 6.84 in (1918).
Source: records: ACIS, station USC00045123. Records and recent months use complete months only.
How does September in Los Gatos 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; Los Gatos's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Los Gatos in August85°F by day, 56°F at night
- Los Gatos in October76°F by day, 49°F at night
- Los Gatos through the yearEvery month, frost dates, records and recent years
- California in SeptemberThe statewide normal and the warmest and coolest places
- Brawley: California's warmest Septembernormal high 104°F