Climate averages 1991–2020
Castelló de la Plana weather
in September.
A warm, moderately wet month: the 3rd warmest and the 11th 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 Castelló de la Plana: daytime highs average 25.6°C and nights cool to about 18.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 45 mm of rain on roughly 6 days, which makes September a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average September day.
The nearest other city in this atlas is Valencia, Spain (64 km away). In September its highs average 27.2°C, 1.6°C warmer than Castelló de la Plana, with 56 mm of rain.
Among the 93 cities listed in Spain, Castelló de la Plana ranks joint 51st of 93 for the warmest September highs and joint 62nd of 93 for the driest September (rainfall, lowest first). The mean September high of those 93 cities is 25.5°C; Castelló de la Plana is 0.1°C warmer than that mean.
From September to October, average highs fall by 3.5°C to 22.1°C, and monthly rainfall rises from 45 mm to 50 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
Castelló de la Plana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.1°C6.6°C | 6.6°C | 36 | 4.5 | 9.710 h |
| February | 14.6°C6.7°C | 6.7°C | 28 | 4.1 | 10.711 h |
| March | 16.7°C8.6°C | 8.6°C | 34 | 4.9 | 11.912 h |
| April | 18.6°C11.1°C | 11.1°C | 37 | 5.8 | 13.213 h |
| May | 21.6°C14.5°C | 14.5°C | 32 | 4.9 | 14.414 h |
| June | 25.4°C18.5°C | 18.5°C | 19 | 3.1 | 15.015 h |
| July | 28.1°C21.4°C | 21.4°C | 8.5 | 1.5 | 14.715 h |
| August | 28.5°C21.9°C | 21.9°C | 20 | 3.7 | 13.714 h |
| September, selected | 25.6°C18.9°C | 18.9°C | 45 | 6.2 | 12.512 h |
| October | 22.1°C15.3°C | 15.3°C | 50 | 6.3 | 11.211 h |
| November | 17.7°C10.7°C | 10.7°C | 41 | 5.3 | 10.010 h |
| December | 14.8°C7.8°C | 7.8°C | 34 | 5.0 | 9.49 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
- Valencia, Spain in SeptemberSpain · 64 kmHigh 27.2°C · Low 19.0°C · 56 mm rain
- Torrent in SeptemberSpain · 71 kmHigh 27.2°C · Low 18.0°C · 56 mm rain
- Gandia in SeptemberSpain · 114 kmHigh 26.3°C · Low 19.1°C · 82 mm rain
- Benidorm in SeptemberSpain · 161 kmHigh 27.5°C · Low 19.9°C · 49 mm rain
- Reus in SeptemberSpain · 163 kmHigh 26.2°C · Low 17.1°C · 65 mm rain
- Tarragona in SeptemberSpain · 167 kmHigh 25.3°C · Low 17.4°C · 77 mm rain
- Alicante in SeptemberSpain · 186 kmHigh 26.8°C · Low 20.0°C · 32 mm rain
- Lleida in SeptemberSpain · 190 kmHigh 26.9°C · Low 15.7°C · 45 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 Castelló de la Plana) is explained once on the Castelló de la Plana year overview and on the Sources, method and limits page.