Palmdale weather in September: Palmdale, California: normal highs, lows, rain and records for September
Palmdale in September has a normal high of 92°F and a normal low of 59°F, a daily mean of 75°F, falling from 96°F on the 1st to 86°F by the 30th. Measurable precipitation falls on 1 days in a normal September, 0.16 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 15°C, 4 mm of precipitation in September.
- NOAA stationPalmdale Airport
- Station IDUSW00023182
- Location34.63°N 118.08°W
- Elevation2,524 ft (769 m)
- Population162,536
- Jan 59° 33°
- Feb 62° 36°
- Mar 68° 40°
- Apr 73° 45°
- May 82° 53°
- Jun 91° 60°
- Jul 98° 67°
- Aug 98° 66°
- Sep 92° 59°
- Oct 80° 49°
- Nov 67° 38°
- Dec 58° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Palmdale in September?
The normal high is 92°F and the normal low 59°F, for a daily mean of 75.2°F. September is 6.6°F cooler than August and 11.1°F warmer than October. September is the 4th warmest month of the year in Palmdale and the 8th wettest. Across the month the normal high falls 10°F, from 96°F on September 1 to 86°F on September 30. From one year to the next September's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 73°F and 78°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 3%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 96°F | 63°F | 3% | 1% |
| September 8 | 94°F | 61°F | 3% | 1% |
| September 15 | 92°F | 59°F | 3% | 1% |
| September 22 | 89°F | 57°F | 3% | 1% |
| September 30 | 86°F | 54°F | 3% | 1% |
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 | 96°F | 63°F | 3% | 1% | 13 h |
| September 2 | 96°F | 63°F | 3% | 1% | 12 h 50 min |
| September 3 | 96°F | 62°F | 3% | 1% | 12 h 50 min |
| September 4 | 95°F | 62°F | 3% | 1% | 12 h 50 min |
| September 5 | 95°F | 62°F | 3% | 1% | 12 h 50 min |
| September 6 | 95°F | 62°F | 3% | 1% | 12 h 50 min |
| September 7 | 95°F | 61°F | 3% | 1% | 12 h 40 min |
| September 8 | 94°F | 61°F | 3% | 1% | 12 h 40 min |
| September 9 | 94°F | 61°F | 3% | 1% | 12 h 40 min |
| September 10 | 94°F | 61°F | 3% | 1% | 12 h 40 min |
| September 11 | 94°F | 60°F | 3% | 1% | 12 h 40 min |
| September 12 | 93°F | 60°F | 3% | 1% | 12 h 30 min |
| September 13 | 93°F | 60°F | 3% | 1% | 12 h 30 min |
| September 14 | 93°F | 59°F | 3% | 1% | 12 h 30 min |
| September 15 | 92°F | 59°F | 3% | 1% | 12 h 30 min |
| September 16 | 92°F | 59°F | 3% | 1% | 12 h 20 min |
| September 17 | 91°F | 59°F | 3% | 1% | 12 h 20 min |
| September 18 | 91°F | 58°F | 3% | 1% | 12 h 20 min |
| September 19 | 91°F | 58°F | 3% | 1% | 12 h 20 min |
| September 20 | 90°F | 58°F | 3% | 1% | 12 h 20 min |
| September 21 | 90°F | 57°F | 3% | 1% | 12 h 10 min |
| September 22 | 89°F | 57°F | 3% | 1% | 12 h 10 min |
| September 23 | 89°F | 57°F | 3% | 1% | 12 h 10 min |
| September 24 | 89°F | 56°F | 3% | 1% | 12 h 10 min |
| September 25 | 88°F | 56°F | 3% | 1% | 12 h 10 min |
| September 26 | 88°F | 56°F | 3% | 1% | 12 h |
| September 27 | 87°F | 55°F | 3% | 1% | 12 h |
| September 28 | 87°F | 55°F | 3% | 1% | 12 h |
| September 29 | 86°F | 55°F | 3% | 1% | 12 h |
| September 30 | 86°F | 54°F | 3% | 1% | 11 h 50 min |
- Normal high
- 92°FSeptember average
- Normal low
- 59°FSeptember average
- Precipitation
- 0.16 inmonth total
- Days with precipitation
- 10.01 inch or more
- Days at 90°F or more
- 21
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 27
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023182; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Palmdale in September?
On a given September day the chance of 0.01 inch or more is 3% on average, highest around September 1 (3%). In all, 0.16 in falls on 1 days of a normal September.
In a normal September in Palmdale, 21 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023182.
What are the records for September in Palmdale?
The warmest September temperature on Palmdale's official record (since 1931) is 111°F, on September 6, 2020; the coldest is 32°F, on September 26, 1948. The wettest September brought 2.12 in (1976).
The September mean against the 1991-2020 normal of 75.2°F: 2021 77.0°F (+1.8), 2022 78.8°F (+3.6), 2023 71.8°F (−3.4), 2024 77.8°F (+2.6), 2025 75.8°F (+0.6), 2026 74.2°F (−1.0). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 77.0°F | +1.8°F | 0.00 in |
| 2022 | 78.8°F | +3.6°F | 0.72 in |
| 2023 | 71.8°F | −3.4°F | 0.00 in |
| 2024 | 77.8°F | +2.6°F | 0.00 in |
| 2025 | 75.8°F | +0.6°F | 0.06 in |
| 2026 | 74.2°F | −1.0°F | 0.00 in |
Source: records: ACIS, NWS threaded record PMDthr; recent months: ACIS, station USW00023182. Records and recent months use complete months only.
How does September in Palmdale 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; Palmdale's is 92°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.