Hello! I'm excited to help you plan your trip to Morocco. Here's what you need to know:

Best Time to Visit:
The best time to visit Rabat, and other Moroccan cities you mentioned, is during spring (April to June) and fall (September to November) when the weather is most pleasant.

Route and Accessibility:
Rabat is served by Rabat-Salé Airport. From there, you can take a car or a train to Meknes (about 2 hours), then continue on to Fes (an additional hour). From Fes, it's about 4 hours by car or train to Marrakech.

Accommodation and Booking:
Accommodation in these cities range from budget hostels to mid-range hotels and luxurious riads. It's recommended to book ahead, especially in spring and fall. Many accommodations can be booked online through popular travel and hotel booking websites.

Clothing and Essentials:
Lightweight, breathable clothing is suggested for the warmer parts of the year, while layers are recommended for the cooler months. Sunscreen, a hat, comfortable footwear, and a high-quality camera are all essential.

Health and Safety:
Ensure your routine vaccines are up to date. Hydrate often and protect yourself from the sun. Crime rates in tourist areas are relatively low, but always pay attention to your belongings and avoid crowded areas when possible.

Local Etiquette and Respect:
Moroccans are generally warm and polite. Modest dress is appreciated, particularly for women. Try to learn a few phrases in Arabic, the local language, as a sign of respect.