Seasonal Rose Pruning. There are differing opinions about when to prune roses. Some people like to prune in the fall, some in the spring. Heirloom says: both (with the exception of once-blooming roses, which should be pruned once just after flowering, see section on Special Situations).
The average maximum daytime temperature in Dubai in September is a very hot 38Â°C (100Â°F), while the average minimum night-time temperature is a warm 26Â°C (79Â°F). On average 0 mm (0 inches) of rain normally falls in Dubai during September with very little chance of rain falling during the month.
1 Overnight temperatures are generally mild with an average low of 12.6 Â°C (54.7 Â°F). 2  In September the mean daily temperature range/ variation is 7.4 Â°C (13.3 Â°F). 3  The weather in September is somewhat dry with rain at times. 4  Just 75.5mm (3in) of liquid is released during an average of 10 days.