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.
Dubai Weather and When to Go. Dubai weather essentials. Dubai has a unique tropical desert climate, moderated by the sea. Nighttime temperatures range from the mid-50sF in winter to the 80sF in summer. Daytime temperature range from 75F in the winter to the 100sF in summer.