Climate averages 1991–2020
Salinas weather
in September.
A warm, very dry month: the warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Salinas: daytime highs average 23.6°C and nights cool to about 13.3°C. By daytime temperature it is the warmest month of the year.
Expect about 2.1 mm of rain on fewer than one day, which makes September a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 27 min on an average September day.
The nearest other city in this atlas is San Jose (77 km away). In September its highs average 27.8°C, 4.2°C warmer than Salinas, with 2.5 mm of rain.
Among the 498 cities listed in the United States, Salinas ranks joint 383rd of 498 for the warmest September highs and joint 31st of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Salinas is 3.3°C cooler than that mean.
From September to October, average highs fall by 1.9°C to 21.7°C, and monthly rainfall rises from 2.1 mm to 19 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Salinas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.1°C6.0°C | 6.0°C | 95 | 8.4 | 10.010 h |
| February | 15.5°C6.7°C | 6.7°C | 95 | 9.0 | 10.811 h |
| March | 16.5°C7.6°C | 7.6°C | 73 | 8.3 | 11.912 h |
| April | 17.2°C8.5°C | 8.5°C | 33 | 5.1 | 13.113 h |
| May | 18.9°C10.0°C | 10.0°C | 15 | 2.9 | 14.114 h |
| June | 21.2°C11.5°C | 11.5°C | 2.6 | 0.4 | 14.615 h |
| July | 22.9°C13.2°C | 13.2°C | 0.8 | 0.2 | 14.414 h |
| August | 23.5°C13.6°C | 13.6°C | 1.4 | 0.3 | 13.614 h |
| September, selected | 23.6°C13.3°C | 13.3°C | 2.1 | 0.4 | 12.512 h |
| October | 21.7°C11.4°C | 11.4°C | 19 | 2.2 | 11.311 h |
| November | 17.8°C8.2°C | 8.2°C | 42 | 5.2 | 10.310 h |
| December | 14.9°C5.9°C | 5.9°C | 85 | 7.9 | 9.710 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- San Jose in SeptemberUnited States · 77 kmHigh 27.8°C · Low 15.6°C · 2.5 mm rain
- Sunnyvale in SeptemberUnited States · 84 kmHigh 26.7°C · Low 15.2°C · 2.5 mm rain
- Milpitas in SeptemberUnited States · 86 kmHigh 28.0°C · Low 16.0°C · 1.9 mm rain
- Mountain View in SeptemberUnited States · 87 kmHigh 26.1°C · Low 15.0°C · 1.9 mm rain
- Fremont in SeptemberUnited States · 101 kmHigh 27.2°C · Low 15.4°C · 1.9 mm rain
- Redwood City in SeptemberUnited States · 104 kmHigh 24.6°C · Low 14.5°C · 1.8 mm rain
- Union City in SeptemberUnited States · 107 kmHigh 27.4°C · Low 15.1°C · 1.9 mm rain
- Pleasanton in SeptemberUnited States · 111 kmHigh 28.0°C · Low 14.4°C · 1.7 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Salinas) is explained once on the Salinas year overview and on the Sources, method and limits page.