1 U.S. Citizens who have applied and been approved for the TSA PreCheckÂ® Application Program. 2  Any active duty, U.S. Armed Forces service members in the Air Force, Army, Coast Guard, Marine Corps, and Navy, as well as the Reserves and National Guard, with a DOD ID (Effective for travel on December 20th and after).SA PreCheck expedited screening lanes continue to grow and are currently available in the following Southwest Airlines airport locations. For a complete list of all participation airports, visit http://www.tsa.gov.
Climate & Weather â When to visit St. John. It is warm year-round on St. John. The average max temp. is 84-89Â°F, with August being the hottest month and Dec-Jan the coldest. The average min temp is 73Â°F-80Â°F. You will rarely need anything long, except for supermarkets, where it is freezing or to protect yourself from sunburn or bug bites. The average water temperature is 82Â°F.
As the month progresses, the cloud coverage increases, starting at 29% on September 1 st and increasing to 32% on September 11 th, 35% on September 21 st and 37% on September 30 th. The average sea temperature is very warm at 25Â°C, thanks to the waters retaining the heat from summer.t this time of the year, the average temperature starts off at 23-24Â°C at the beginning of the month and gradually drops until it reaches 20Â°C in the final few days. During September, the daily lows range slightly from 15Â°C to 18Â°C, dropping below 11Â°C or exceeding 22Â°C very rarely â only one day out of every ten.