The Northern Territory has experienced its hottest September on record, coming off the back of an unseasonably warm dry season.

Alice Springs also made the record books, registering the hottest ever maximum and mean temperatures for the month.

Weather bureau climatologist Joel Lisonbee said the average daily maximum temperature in the central Australian town was 33.1 degrees Centigrade, 2.6C higher than the previous record.

Darwin's September temperatures made it into the top ten on record.

Mr Lisonbee said the higher temperatures were the result of fewer high pressure systems moving across the Great Australian Bite over the winter period.

"We need those high pressure systems to push cool air north into the Territory," he said.

"Most of central Australia needs those high pressure systems to cool us down.

But this winter we did not really see that and, as we started into September, we started things off already warmer than average; in fact, pretty close to a record."

October 1 marks the official beginning of the northern west season but no rain is predicted this week.

Today also marks the start of marine stinger season in Top End and Territorians are being urged to take care in the water.

Deadly box jellyfish can be found in seas around Darwin any time but from now until the end of May next year they will be at their most prevalent.

Each year about 40 people in the Territory go to hospital as a result of stingers.