Physical characteristics affecting runoff: 1  Land use. 2  Vegetation. 3  Soil type. 4  Drainage area. 5  Basin shape. 6  Elevation. 7  Topography, especially the slope of the land. 8  Drainage network patterns. 9  Ponds, lakes, reservoirs, sinks, etc. in the basin, which prevent or delay runoff from continuing downstream.
To see my weather log for other months in Barcelona or to see the current weather conditions please refer to our Related Pages section at the foot of this page where you will find links to these pages. Average temperature: 26Â° C or 78.8 F. Maximum temperature: 30Â° C or 86 F. Minimum temperature: 24Â° C or 75.2 F.
However, Barcelona doesn't tend to get quite as hot as Madrid and the temperatures here won't as fierce as they tend to be in the capital. The average maximum temperature in Barcelona in September is 79Â°F/26Â°C and the average minimum temperature is 63Â°F/17Â°C.