Sunrise and sunset in Casper

Casper Sunrise, Sunset and Moon in September 2026

Local time (MDT)

Day length goes from 13 h 10 min on September 1 to 11 h 46 min on September 30. Sunrise moves from 6:30 AM to 7:02 AM and sunset from 7:40 PM to 6:48 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 16:01 AM6:30 AM7:40 PM8:09 PM7:02 PM9:20 PM13 h 10 minWaning gibbous, 77%9:30 PM11:36 AM
Sep 26:02 AM6:31 AM7:38 PM8:07 PM7:00 PM9:18 PM13 h 07 min-3.0 minWaning gibbous, 68%10:05 PM12:53 PM
Sep 36:03 AM6:32 AM7:36 PM8:05 PM6:59 PM9:16 PM13 h 04 min-3.0 minLast quarter, 58%10:49 PM2:09 PM
Sep 46:04 AM6:33 AM7:34 PM8:03 PM6:57 PM9:14 PM13 h 01 min-3.0 minLast quarter 1:51 AM11:46 PM3:20 PM
Sep 56:05 AM6:34 AM7:33 PM8:01 PM6:55 PM9:12 PM12 h 59 min-2.0 minWaning crescent, 37%4:21 PM
Sep 66:07 AM6:35 AM7:31 PM8:00 PM6:53 PM9:10 PM12 h 56 min-3.0 minWaning crescent, 27%12:54 AM5:11 PM
Sep 76:08 AM6:37 AM7:29 PM7:58 PM6:52 PM9:07 PM12 h 52 min-4.0 minWaning crescent, 18%2:11 AM5:50 PM
Sep 86:09 AM6:38 AM7:27 PM7:56 PM6:50 PM9:05 PM12 h 49 min-3.0 minWaning crescent, 11%3:30 AM6:20 PM
Sep 96:10 AM6:39 AM7:26 PM7:54 PM6:48 PM9:03 PM12 h 47 min-2.0 minWaning crescent, 5%4:49 AM6:46 PM
Sep 106:11 AM6:40 AM7:24 PM7:52 PM6:46 PM9:01 PM12 h 44 min-3.0 minNew moon 9:27 PM6:04 AM7:08 PM
Sep 116:12 AM6:41 AM7:22 PM7:51 PM6:45 PM8:59 PM12 h 41 min-3.0 minNew moon, 0%7:17 AM7:29 PM
Sep 126:13 AM6:42 AM7:20 PM7:49 PM6:43 PM8:57 PM12 h 38 min-3.0 minNew moon, 1%8:28 AM7:50 PM
Sep 136:14 AM6:43 AM7:18 PM7:47 PM6:41 PM8:55 PM12 h 35 min-3.0 minWaxing crescent, 4%9:37 AM8:12 PM
Sep 146:16 AM6:44 AM7:17 PM7:45 PM6:39 PM8:53 PM12 h 33 min-2.0 minWaxing crescent, 9%10:46 AM8:37 PM
Sep 156:17 AM6:45 AM7:15 PM7:43 PM6:38 PM8:51 PM12 h 30 min-3.0 minWaxing crescent, 16%11:54 AM9:06 PM
Sep 166:18 AM6:46 AM7:13 PM7:41 PM6:36 PM8:49 PM12 h 27 min-3.0 minWaxing crescent, 25%1:00 PM9:41 PM
Sep 176:19 AM6:47 AM7:11 PM7:40 PM6:34 PM8:47 PM12 h 24 min-3.0 minWaxing crescent, 34%2:02 PM10:24 PM
Sep 186:20 AM6:48 AM7:09 PM7:38 PM6:32 PM8:45 PM12 h 21 min-3.0 minFirst quarter 2:43 PM2:56 PM11:15 PM
Sep 196:21 AM6:49 AM7:08 PM7:36 PM6:30 PM8:43 PM12 h 19 min-2.0 minFirst quarter, 55%3:43 PM
Sep 206:22 AM6:51 AM7:06 PM7:34 PM6:29 PM8:41 PM12 h 15 min-4.0 minWaxing gibbous, 66%4:22 PM12:13 AM
Sep 216:23 AM6:52 AM7:04 PM7:32 PM6:27 PM8:39 PM12 h 12 min-3.0 minWaxing gibbous, 75%4:53 PM1:16 AM
Sep 226:24 AM6:53 AM7:02 PM7:31 PM6:25 PM8:37 PM12 h 09 min-3.0 minWaxing gibbous, 84%5:20 PM2:22 AM
Sep 236:26 AM6:54 AM7:00 PM7:29 PM6:23 PM8:35 PM12 h 06 min-3.0 minWaxing gibbous, 91%5:42 PM3:30 AM
Sep 246:27 AM6:55 AM6:59 PM7:27 PM6:21 PM8:33 PM12 h 04 min-2.0 minWaxing gibbous, 96%6:03 PM4:37 AM
Sep 256:28 AM6:56 AM6:57 PM7:25 PM6:20 PM8:32 PM12 h 01 min-3.0 minFull moon, 99%6:23 PM5:46 AM
Sep 266:29 AM6:57 AM6:55 PM7:23 PM6:18 PM8:30 PM11 h 58 min-3.0 minFull moon 10:49 AM6:44 PM6:55 AM
Sep 276:30 AM6:58 AM6:53 PM7:22 PM6:16 PM8:28 PM11 h 55 min-3.0 minWaning gibbous, 99%7:07 PM8:07 AM
Sep 286:31 AM6:59 AM6:52 PM7:20 PM6:14 PM8:26 PM11 h 53 min-2.0 minWaning gibbous, 95%7:34 PM9:22 AM
Sep 296:32 AM7:00 AM6:50 PM7:18 PM6:12 PM8:24 PM11 h 50 min-3.0 minWaning gibbous, 89%8:06 PM10:40 AM
Sep 306:33 AM7:02 AM6:48 PM7:16 PM6:11 PM8:22 PM11 h 46 min-4.0 minWaning gibbous, 82%8:48 PM11:58 AM

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.