Revenue per available room in the US hotel industry increased 8% in September, reversing the 2.2% growth seen in August. The Labor Day calendar shift positively impacted September numbers, unlike the effect of the August calendar shift. The forecast for annual revenue growth remains at 6.8%, implying some increase in the fourth quarter. Economy hotels increased room rates 6.3% while upper-upscale hotels grew rates 2.4%, and lower-rated chains outperformed high-end hotels.