Climate averages 1991–2020
Dos Hermanas weather
in September.
A hot, fairly dry month: the 4th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Dos Hermanas: daytime highs average 30.3°C and nights cool to about 18.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 30 mm of rain on roughly 4 days, which makes September a fairly dry month (the 4th 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 Alcalá de Guadaira (9 km away). In September its highs average 30.3°C, about as warm as Dos Hermanas, with 28 mm of rain.
Among the 93 cities listed in Spain, Dos Hermanas ranks joint 3rd of 93 for the warmest September highs and joint 43rd of 93 for the driest September (rainfall, lowest first). The mean September high of those 93 cities is 25.5°C; Dos Hermanas is 4.8°C warmer than that mean.
From September to October, average highs fall by 5.4°C to 24.9°C, and monthly rainfall rises from 30 mm to 73 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
Dos Hermanas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.3°C5.8°C | 5.8°C | 54 | 6.6 | 9.910 h |
| February | 17.0°C6.7°C | 6.7°C | 51 | 5.5 | 10.811 h |
| March | 20.0°C8.9°C | 8.9°C | 58 | 6.8 | 11.912 h |
| April | 22.1°C10.9°C | 10.9°C | 54 | 7.1 | 13.113 h |
| May | 26.2°C14.3°C | 14.3°C | 36 | 5.2 | 14.114 h |
| June | 31.4°C18.3°C | 18.3°C | 8.1 | 1.4 | 14.715 h |
| July | 35.0°C20.8°C | 20.8°C | 2.0 | 0.3 | 14.514 h |
| August | 34.9°C21.1°C | 21.1°C | 2.7 | 0.5 | 13.614 h |
| September, selected | 30.3°C18.4°C | 18.4°C | 30 | 3.8 | 12.512 h |
| October | 24.9°C14.6°C | 14.6°C | 73 | 7.5 | 11.311 h |
| November | 19.1°C9.9°C | 9.9°C | 67 | 6.7 | 10.210 h |
| December | 16.0°C7.4°C | 7.4°C | 79 | 7.0 | 9.610 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
- Alcalá de Guadaira in SeptemberSpain · 9 kmHigh 30.3°C · Low 18.3°C · 28 mm rain
- Sevilla in SeptemberSpain · 12 kmHigh 30.4°C · Low 18.8°C · 27 mm rain
- Jerez de la Frontera in SeptemberSpain · 69 kmHigh 29.0°C · Low 18.2°C · 26 mm rain
- Huelva in SeptemberSpain · 90 kmHigh 29.0°C · Low 18.7°C · 20 mm rain
- Cadiz, Spain in SeptemberSpain · 90 kmHigh 28.0°C · Low 19.0°C · 27 mm rain
- San Fernando, Spain in SeptemberSpain · 93 kmHigh 27.2°C · Low 19.2°C · 27 mm rain
- Chiclana de la Frontera in SeptemberSpain · 98 kmHigh 26.3°C · Low 19.6°C · 27 mm rain
- Córdoba, Spain in SeptemberSpain · 122 kmHigh 30.4°C · Low 18.7°C · 28 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 Dos Hermanas) is explained once on the Dos Hermanas year overview and on the Sources, method and limits page.