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 warm with an average low of 20.2 Â°C (68.4 Â°F). 2  In September the range/ variation of daily average temperatures is 6.5 Â°C (11.7 Â°F).  The weather in September is very slightly soggy with occasional rain. Around 179.8mm (7.1in) of H2O accrues across an average of 13 days.