Pismo Beach weather in September: Pismo Beach, California: normal highs, lows, rain and records for September
Pismo Beach in September has a normal high of 72°F and a normal low of 54°F, a daily mean of 63°F, holding near 72°F all month. Measurable precipitation falls on 2 days in a normal September, 0.08 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 22°C and low of 12°C, 2 mm of precipitation in September.
- NOAA stationPismo Beach
- Station IDUSC00046943
- Location35.16°N 120.68°W
- Elevation39 ft (12 m)
- From the centerunder 1 mile
- Population7,984
- Jan 65° 44°
- Feb 65° 44°
- Mar 68° 46°
- Apr 70° 48°
- May 72° 50°
- Jun 71° 51°
- Jul 70° 54°
- Aug 71° 55°
- Sep 72° 54°
- Oct 73° 53°
- Nov 69° 46°
- Dec 65° 44°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Pismo Beach in September?
The normal high is 72°F and the normal low 54°F, for a daily mean of 62.7°F. September is 0.4°F cooler than August and 0.2°F warmer than October. September is the 2nd warmest month of the year in Pismo Beach and the 10th wettest. From one year to the next September's mean temperature typically moves about 1.2°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 62°F and 64°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 8%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 72°F | 54°F | 4% | 1% |
| September 8 | 72°F | 54°F | 5% | 1% |
| September 15 | 72°F | 54°F | 6% | 1% |
| September 22 | 72°F | 54°F | 7% | 2% |
| September 30 | 72°F | 54°F | 8% | 3% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 30, coldest night September 9)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 72°F | 54°F | 4% | 1% | 13 h |
| September 2 | 72°F | 54°F | 4% | 1% | 12 h 50 min |
| September 3 | 72°F | 54°F | 4% | 1% | 12 h 50 min |
| September 4 | 72°F | 54°F | 4% | 1% | 12 h 50 min |
| September 5 | 72°F | 54°F | 4% | 1% | 12 h 50 min |
| September 6 | 72°F | 54°F | 5% | 1% | 12 h 50 min |
| September 7 | 72°F | 54°F | 5% | 1% | 12 h 40 min |
| September 8 | 72°F | 54°F | 5% | 1% | 12 h 40 min |
| September 9 | 72°F | 54°F | 5% | 1% | 12 h 40 min |
| September 10 | 72°F | 54°F | 5% | 1% | 12 h 40 min |
| September 11 | 72°F | 54°F | 5% | 1% | 12 h 40 min |
| September 12 | 72°F | 54°F | 5% | 1% | 12 h 30 min |
| September 13 | 72°F | 54°F | 5% | 1% | 12 h 30 min |
| September 14 | 72°F | 54°F | 6% | 1% | 12 h 30 min |
| September 15 | 72°F | 54°F | 6% | 1% | 12 h 30 min |
| September 16 | 72°F | 54°F | 6% | 1% | 12 h 20 min |
| September 17 | 72°F | 54°F | 6% | 1% | 12 h 20 min |
| September 18 | 72°F | 54°F | 6% | 1% | 12 h 20 min |
| September 19 | 72°F | 54°F | 6% | 1% | 12 h 20 min |
| September 20 | 72°F | 54°F | 7% | 1% | 12 h 20 min |
| September 21 | 72°F | 54°F | 7% | 2% | 12 h 10 min |
| September 22 | 72°F | 54°F | 7% | 2% | 12 h 10 min |
| September 23 | 72°F | 54°F | 7% | 2% | 12 h 10 min |
| September 24 | 72°F | 54°F | 7% | 2% | 12 h 10 min |
| September 25 | 72°F | 54°F | 7% | 2% | 12 h 10 min |
| September 26 | 72°F | 54°F | 7% | 2% | 12 h |
| September 27 | 72°F | 54°F | 7% | 2% | 12 h |
| September 28 | 72°F | 54°F | 8% | 2% | 12 h |
| September 29 | 72°F | 54°F | 8% | 2% | 12 h |
| September 30 | 72°F | 54°F | 8% | 3% | 11 h 50 min |
- Normal high
- 72°FSeptember average
- Normal low
- 54°FSeptember average
- Precipitation
- 0.08 inmonth total
- Days with precipitation
- 20.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 19
- Days at 80°F or more
- 3
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00046943; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Pismo Beach in September?
On a given September day the chance of 0.01 inch or more is 6% on average, highest around September 30 (8%). In all, 0.08 in falls on 2 days of a normal September.
In a normal September in Pismo Beach, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00046943.
What are the records for September in Pismo Beach?
The warmest September temperature on this station's record (since 1949) is 103°F, on September 3, 1982; the coldest is 30°F, on September 20, 1988. The wettest September brought 4.20 in (1976).
Source: records: ACIS, station USC00046943. Records and recent months use complete months only.
How does September in Pismo Beach 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; Pismo Beach's is 72°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Pismo Beach in August71°F by day, 55°F at night
- Pismo Beach in October73°F by day, 53°F at night
- Pismo Beach 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