And thank you for calling Costco Wholesale Corporation. I'm David Sherwood, AVP of Finance and Investor Relations, and I will review our sales results for the 5 week retail month of September, which started on Monday, August 30 and ended on Sunday, October 3. This period is compared to the 5 weeks that began last year on Monday, August 31 and ended on Sunday, October 4. This call will include forward looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties that may cause actual events, results and or performance to differ materially from those indicated by such statements.
The risks and uncertainties include, but are not limited to, those outlined in today's call and sales release as well as other risks identified from time to time in the company's public statements and reports filed with the SEC. Forward looking statements speak only as of the date they are made, and the company does not undertake to update them except as required by law. As reported in our release, Net sales for September came in at $19,501,000,000 an increase of 15.8 percent from $16,840,000,000 last here. Comparable sales were as follows. On a reported basis, 5 weeks, U.
S. Was at 14.6 percent Canada, 14.9 percent Other International, 12.0 percent Total company, 14.3 percent e commerce, 10.6%. Comparable sales, excluding the impacts from changes in gasoline prices and foreign exchange were as follows. For the 5 weeks, the U. S.
Was at 10.0 percent Canada, 7.3 percent other international, 8.0 percent total company, 9.4% and e Commerce, 9.6%. Our comp traffic or frequency for September was up 7.2% worldwide and up 7.4% in the U. S. Foreign currencies year over year relative to the U. S.
Dollar impacted total and comparable sales as follows: Canada, positively by approximately 4.9 percent other international, positively by approximately 2.8% and total company positively by approximately 1.1%. Gasoline price inflation positively impacted total reported comp Sales by approximately 3.8%. The average selling price was 41% higher year over year at $3.38 per gallon this year compared to $2.40 last year. Worldwide, the average transaction for September was up 6.6%, which included the positive impacts from gasoline inflation and FX. In terms of regional and merchandising categories, the general highlights were as follows: U.
S. Regions with the strongest sales increases were Texas, Southeast and San Diego. Other international and local currencies, we saw the strongest results in Mexico, UK and Japan. Moving to merchandise highlights, the following comparable sales results by category for the month exclude the positive impact of foreign exchange. Food and sundries were positive mid to high single digits.
Sundries and candy for the strongest departments. Fresh Foods were up mid to high single digits, better performing departments included service deli and bakery. Non Foods were positive low double digits. Better performing departments included home furnishings, jewelry, tires and garden. Ancillary business sales were up low to mid-40s.
Gas, Food Court, Optical and Pharmacy were the top performers in the month. Looking ahead, the October reporting period will include the 4 weeks beginning October 4 and ending October 31, compared to the 4 weeks beginning October 5 and ending November 1, 2020. October sales will be announced Wednesday, November 3 at 1 Dean P. M. Pacific Time.
If you have any questions regarding our September sales results or any other Investor Relations questions, Please call Bob Nelson at 425-313-8255, Josh Damon at 425-313-8254 or myself, David Sherwood at 425-313-8239. This recording will be available until 5 p. M. Pacific Time, Wednesday, October 13. Thanks for calling.
Have a great day.