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.
Weather in London in September. The average maximum daytime temperature in London in September is a comfortable 19Â°C (66Â°F). There are usually 5 hours of bright sunshine each day, which represents 37% of the 13 hours of daylight. Expect 55mm (2.2 inches) of rainfall across the whole of September with 11 days with some rain falling.