Sunrise and sunset in Helena

Helena Sunrise, Sunset and Moon in September 2026

Local time (CDT)

Day length goes from 12 h 46 min on September 1 to 11 h 53 min on September 30. Sunrise moves from 6:31 AM to 6:47 AM and sunset from 7:17 PM to 6:40 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 16:06 AM6:31 AM7:17 PM7:41 PM6:45 PM8:39 PM12 h 46 minWaning gibbous, 78%9:47 PM10:55 AM
Sep 26:07 AM6:31 AM7:15 PM7:40 PM6:44 PM8:38 PM12 h 44 min-2.0 minWaning gibbous, 68%10:30 PM12:02 PM
Sep 36:07 AM6:32 AM7:14 PM7:39 PM6:42 PM8:37 PM12 h 42 min-2.0 minLast quarter, 58%11:20 PM1:11 PM
Sep 46:08 AM6:32 AM7:13 PM7:37 PM6:41 PM8:35 PM12 h 41 min-1.0 minLast quarter 2:51 AM2:18 PM
Sep 56:09 AM6:33 AM7:12 PM7:36 PM6:40 PM8:34 PM12 h 39 min-2.0 minWaning crescent, 37%12:19 AM3:21 PM
Sep 66:09 AM6:33 AM7:11 PM7:35 PM6:39 PM8:32 PM12 h 38 min-1.0 minWaning crescent, 27%1:25 AM4:16 PM
Sep 76:10 AM6:34 AM7:09 PM7:34 PM6:38 PM8:31 PM12 h 35 min-3.0 minWaning crescent, 18%2:35 AM5:03 PM
Sep 86:10 AM6:35 AM7:08 PM7:32 PM6:36 PM8:30 PM12 h 33 min-2.0 minWaning crescent, 11%3:46 AM5:44 PM
Sep 96:11 AM6:35 AM7:07 PM7:31 PM6:35 PM8:28 PM12 h 32 min-1.0 minWaning crescent, 5%4:54 AM6:19 PM
Sep 106:11 AM6:36 AM7:06 PM7:30 PM6:34 PM8:27 PM12 h 30 min-2.0 minNew moon 10:27 PM6:00 AM6:50 PM
Sep 116:12 AM6:36 AM7:04 PM7:29 PM6:33 PM8:26 PM12 h 28 min-2.0 minNew moon, 0%7:03 AM7:20 PM
Sep 126:13 AM6:37 AM7:03 PM7:27 PM6:31 PM8:24 PM12 h 26 min-2.0 minNew moon, 1%8:04 AM7:50 PM
Sep 136:13 AM6:37 AM7:02 PM7:26 PM6:30 PM8:23 PM12 h 25 min-1.0 minWaxing crescent, 4%9:05 AM8:20 PM
Sep 146:14 AM6:38 AM7:01 PM7:25 PM6:29 PM8:21 PM12 h 23 min-2.0 minWaxing crescent, 9%10:05 AM8:53 PM
Sep 156:14 AM6:38 AM6:59 PM7:23 PM6:28 PM8:20 PM12 h 21 min-2.0 minWaxing crescent, 16%11:05 AM9:30 PM
Sep 166:15 AM6:39 AM6:58 PM7:22 PM6:26 PM8:19 PM12 h 19 min-2.0 minWaxing crescent, 24%12:04 PM10:11 PM
Sep 176:16 AM6:40 AM6:57 PM7:21 PM6:25 PM8:17 PM12 h 17 min-2.0 minWaxing crescent, 34%1:01 PM10:57 PM
Sep 186:16 AM6:40 AM6:56 PM7:20 PM6:24 PM8:16 PM12 h 16 min-1.0 minFirst quarter 3:43 PM1:55 PM11:48 PM
Sep 196:17 AM6:41 AM6:54 PM7:18 PM6:23 PM8:15 PM12 h 13 min-3.0 minFirst quarter, 55%2:44 PM
Sep 206:17 AM6:41 AM6:53 PM7:17 PM6:21 PM8:13 PM12 h 12 min-1.0 minWaxing gibbous, 65%3:28 PM12:43 AM
Sep 216:18 AM6:42 AM6:52 PM7:16 PM6:20 PM8:12 PM12 h 10 min-2.0 minWaxing gibbous, 75%4:06 PM1:41 AM
Sep 226:18 AM6:42 AM6:50 PM7:14 PM6:19 PM8:11 PM12 h 08 min-2.0 minWaxing gibbous, 84%4:41 PM2:40 AM
Sep 236:19 AM6:43 AM6:49 PM7:13 PM6:17 PM8:09 PM12 h 06 min-2.0 minWaxing gibbous, 91%5:12 PM3:38 AM
Sep 246:20 AM6:44 AM6:48 PM7:12 PM6:16 PM8:08 PM12 h 04 min-2.0 minWaxing gibbous, 96%5:42 PM4:37 AM
Sep 256:20 AM6:44 AM6:47 PM7:11 PM6:15 PM8:07 PM12 h 03 min-1.0 minFull moon, 99%6:10 PM5:36 AM
Sep 266:21 AM6:45 AM6:45 PM7:09 PM6:14 PM8:05 PM12 h 00 min-3.0 minFull moon 11:49 AM6:40 PM6:37 AM
Sep 276:21 AM6:45 AM6:44 PM7:08 PM6:12 PM8:04 PM11 h 59 min-1.0 minWaning gibbous, 99%7:12 PM7:39 AM
Sep 286:22 AM6:46 AM6:43 PM7:07 PM6:11 PM8:03 PM11 h 57 min-2.0 minWaning gibbous, 95%7:47 PM8:44 AM
Sep 296:22 AM6:46 AM6:42 PM7:06 PM6:10 PM8:01 PM11 h 56 min-1.0 minWaning gibbous, 90%8:28 PM9:52 AM
Sep 306:23 AM6:47 AM6:40 PM7:04 PM6:09 PM8:00 PM11 h 53 min-3.0 minWaning gibbous, 82%9:17 PM11:02 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.