Sunrise and sunset in Summit County

Summit County Sunrise, Sunset and Moon in September 2026

Local time (MDT)

Day length goes from 13 h 05 min on September 1 to 11 h 47 min on September 30. Sunrise moves from 6:51 AM to 7:20 AM and sunset from 7:56 PM to 7:07 PM.

Every day

Dawn and dusk are civil twilight (the sun 6 degrees below the horizon); golden hour starts when the evening sun is 6 degrees up; full dark is astronomical twilight, 18 degrees down. A blank moonrise or moonset means it falls on the next day.

DateDawnSunriseSunsetDuskGolden hourFull darkDay lengthChangeMoonMoonriseMoonset
Sep 16:23 AM6:51 AM7:56 PM8:24 PM7:19 PM9:33 PM13 h 05 minWaning gibbous, 77%9:55 PM11:51 AM
Sep 26:24 AM6:52 AM7:54 PM8:22 PM7:18 PM9:31 PM13 h 02 min-3.0 minWaning gibbous, 68%10:31 PM1:05 PM
Sep 36:25 AM6:53 AM7:53 PM8:21 PM7:16 PM9:29 PM13 h 00 min-2.0 minLast quarter, 58%11:17 PM2:20 PM
Sep 46:26 AM6:54 AM7:51 PM8:19 PM7:15 PM9:27 PM12 h 57 min-3.0 minLast quarter 1:51 AM3:30 PM
Sep 56:27 AM6:55 AM7:49 PM8:17 PM7:13 PM9:25 PM12 h 54 min-3.0 minWaning crescent, 37%12:14 AM4:32 PM
Sep 66:28 AM6:56 AM7:48 PM8:16 PM7:11 PM9:23 PM12 h 52 min-2.0 minWaning crescent, 27%1:22 AM5:22 PM
Sep 76:29 AM6:57 AM7:46 PM8:14 PM7:10 PM9:21 PM12 h 49 min-3.0 minWaning crescent, 18%2:38 AM6:02 PM
Sep 86:30 AM6:58 AM7:44 PM8:12 PM7:08 PM9:19 PM12 h 46 min-3.0 minWaning crescent, 11%3:56 AM6:35 PM
Sep 96:31 AM6:59 AM7:43 PM8:10 PM7:06 PM9:17 PM12 h 44 min-2.0 minWaning crescent, 5%5:12 AM7:02 PM
Sep 106:32 AM7:00 AM7:41 PM8:09 PM7:05 PM9:15 PM12 h 41 min-3.0 minNew moon 9:27 PM6:26 AM7:26 PM
Sep 116:33 AM7:01 AM7:39 PM8:07 PM7:03 PM9:13 PM12 h 38 min-3.0 minNew moon, 0%7:36 AM7:49 PM
Sep 126:34 AM7:02 AM7:38 PM8:05 PM7:02 PM9:11 PM12 h 36 min-2.0 minNew moon, 1%8:45 AM8:11 PM
Sep 136:35 AM7:03 AM7:36 PM8:04 PM7:00 PM9:09 PM12 h 33 min-3.0 minWaxing crescent, 4%9:53 AM8:35 PM
Sep 146:36 AM7:04 AM7:34 PM8:02 PM6:58 PM9:08 PM12 h 30 min-3.0 minWaxing crescent, 9%11:01 AM9:01 PM
Sep 156:37 AM7:05 AM7:33 PM8:00 PM6:56 PM9:06 PM12 h 28 min-2.0 minWaxing crescent, 16%12:07 PM9:32 PM
Sep 166:38 AM7:06 AM7:31 PM7:58 PM6:55 PM9:04 PM12 h 25 min-3.0 minWaxing crescent, 25%1:11 PM10:09 PM
Sep 176:39 AM7:07 AM7:29 PM7:57 PM6:53 PM9:02 PM12 h 22 min-3.0 minWaxing crescent, 34%2:12 PM10:52 PM
Sep 186:40 AM7:08 AM7:28 PM7:55 PM6:51 PM9:00 PM12 h 20 min-2.0 minFirst quarter 2:43 PM3:06 PM11:43 PM
Sep 196:41 AM7:09 AM7:26 PM7:53 PM6:50 PM8:58 PM12 h 17 min-3.0 minFirst quarter, 55%3:53 PM
Sep 206:42 AM7:10 AM7:24 PM7:51 PM6:48 PM8:56 PM12 h 14 min-3.0 minWaxing gibbous, 66%4:33 PM12:41 AM
Sep 216:43 AM7:11 AM7:22 PM7:50 PM6:46 PM8:54 PM12 h 11 min-3.0 minWaxing gibbous, 75%5:06 PM1:43 AM
Sep 226:44 AM7:12 AM7:21 PM7:48 PM6:45 PM8:53 PM12 h 09 min-2.0 minWaxing gibbous, 84%5:34 PM2:48 AM
Sep 236:45 AM7:13 AM7:19 PM7:46 PM6:43 PM8:51 PM12 h 06 min-3.0 minWaxing gibbous, 91%5:58 PM3:53 AM
Sep 246:46 AM7:14 AM7:17 PM7:45 PM6:41 PM8:49 PM12 h 03 min-3.0 minWaxing gibbous, 96%6:20 PM4:59 AM
Sep 256:47 AM7:15 AM7:16 PM7:43 PM6:39 PM8:47 PM12 h 01 min-2.0 minFull moon, 99%6:42 PM6:06 AM
Sep 266:48 AM7:16 AM7:14 PM7:41 PM6:38 PM8:45 PM11 h 58 min-3.0 minFull moon 10:49 AM7:05 PM7:14 AM
Sep 276:49 AM7:17 AM7:12 PM7:40 PM6:36 PM8:44 PM11 h 55 min-3.0 minWaning gibbous, 99%7:29 PM8:24 AM
Sep 286:50 AM7:18 AM7:11 PM7:38 PM6:34 PM8:42 PM11 h 53 min-2.0 minWaning gibbous, 95%7:58 PM9:37 AM
Sep 296:51 AM7:19 AM7:09 PM7:36 PM6:33 PM8:40 PM11 h 50 min-3.0 minWaning gibbous, 89%8:32 PM10:53 AM
Sep 306:52 AM7:20 AM7:07 PM7:35 PM6:31 PM8:38 PM11 h 47 min-3.0 minWaning gibbous, 82%9:15 PM12:09 PM

Other months

More

Sources

Computed with the NOAA solar position equations and the lunar methods of Meeus, Astronomical Algorithms, for a flat horizon; hills and buildings delay a real sunrise.