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.
September is slightly cooler than previous months but is still fairly warm. The average temperature still reaches a high of 22C (that's about 72F) during the day and dips to a fairly mild 13C (about 55F) in the evenings. You can still expect rain on an average of 9 days of the month.