FALL IN TEMPE IS FESTIVE AND FUN! As fall approaches and brings cooler weather, Tempe comes to life! Enjoy a variety of activity-based events, festivals, nightlife, entertainment, and the arts all season long. Four Peaks Oktoberfest combines beer gardens, live music, performances, great food, and a carnival at Tempe Beach Park. Strange Garden at the Desert Botanical Garden is full of weird sights, peculiar plants, and creepy-crawlies of the desert.