Autumn weather Calculations are based on the last 8 years of historical weather data.
Period Seattle Las Vegas Sep 1 79.9°F 99.9°F Sep 8 73.9°F 94.5°F Sep 15 68.0°F 90.7°F Sep 22 67.5°F 89.6°F Oct 1 66.4°F 86.5°F Oct 8 62.2°F 81.1°F Oct 15 61.7°F 80.1°F Oct 22 55.9°F 73.9°F Nov 1 52.3°F 71.1°F Nov 8 51.1°F 64.6°F Nov 15 50.5°F 64.2°F Nov 22 48.4°F 59.2°F Average 79.6°F 61.5°F
Period Seattle Las Vegas Sep 1 56.7°F 77.2°F Sep 8 54.7°F 72.1°F Sep 15 51.4°F 68.0°F Sep 22 51.6°F 66.6°F Oct 1 49.3°F 63.3°F Oct 8 47.1°F 59.0°F Oct 15 48.0°F 57.2°F Oct 22 43.2°F 52.5°F Nov 1 41.9°F 50.7°F Nov 8 41.4°F 45.7°F Nov 15 39.6°F 45.7°F Nov 22 39.4°F 41.9°F Average 58.3°F 47.0°F
Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period. Period Seattle Las Vegas Sep 1 9.3 hours/day 12.1 hours/day Sep 8 5.7 hours/day 11.1 hours/day Sep 15 4.1 hours/day 11.3 hours/day Sep 22 4.5 hours/day 11.1 hours/day Oct 1 5.1 hours/day 11.2 hours/day Oct 8 4.7 hours/day 11.2 hours/day Oct 15 3.6 hours/day 10.3 hours/day Oct 22 4.1 hours/day 9.7 hours/day Nov 1 1.6 hours/day 8.8 hours/day Nov 8 2.0 hours/day 8.4 hours/day Nov 15 2.6 hours/day 8.0 hours/day Nov 22 1.8 hours/day 7.9 hours/day Average 10.1 hours/day 4.1 hours/day
Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer. Period Seattle Las Vegas Sep 1 0.0in 0.0in Sep 8 0.1in 0.0in Sep 15 0.1in 0.0in Sep 22 0.2in 0.0in Oct 1 0.1in 0.0in Oct 8 0.2in 0.0in Oct 15 0.2in 0.0in Oct 22 0.2in 0.0in Nov 1 0.3in 0.0in Nov 8 0.3in 0.0in Nov 15 0.2in 0.0in Nov 22 0.3in 0.0in Average 0.0in 0.2in
Average amount of precipitation that falls in a form of a rain, snow, sleet or hail. Period Seattle Las Vegas Sep 1 6.9mph 9.1mph Sep 8 6.4mph 10.9mph Sep 15 6.7mph 12.4mph Sep 22 7.6mph 9.1mph Oct 1 6.3mph 7.7mph Oct 8 6.9mph 10.2mph Oct 15 8.1mph 8.6mph Oct 22 7.9mph 9.3mph Nov 1 9.3mph 8.8mph Nov 8 9.0mph 7.6mph Nov 15 8.1mph 7.8mph Nov 22 8.5mph 7.4mph Average 9.1mph 7.6mph
Period Seattle Las Vegas Sep 1 65.5% 23.9% Sep 8 68.9% 23.1% Sep 15 74.3% 21.2% Sep 22 75.3% 20.9% Oct 1 72.0% 21.9% Oct 8 73.9% 21.5% Oct 15 76.6% 22.4% Oct 22 76.3% 24.7% Nov 1 81.4% 27.5% Nov 8 79.3% 27.4% Nov 15 77.4% 30.0% Nov 22 81.6% 34.5% Average 24.9% 75.2%
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Period Seattle Las Vegas Sep 1 6:32 6:14 Sep 8 6:41 6:20 Sep 15 6:51 6:25 Sep 22 7:02 6:32 Oct 1 7:13 6:38 Oct 8 7:23 6:44 Oct 15 7:33 6:50 Oct 22 7:46 6:58 Nov 1 7:35 6:43 Nov 8 7:09 6:14 Nov 15 7:20 6:20 Nov 22 7:31 6:28 Average 6:30 7:12
Sunrise times are output in the local timezone of each place. Period Seattle Las Vegas Sep 1 19:44 19:04 Sep 8 19:29 18:53 Sep 15 19:15 18:43 Sep 22 18:58 18:31 Oct 1 18:42 18:19 Oct 8 18:28 18:10 Oct 15 18:15 18:01 Oct 22 18:00 17:50 Nov 1 17:23 17:18 Nov 8 16:37 16:35 Nov 15 16:29 16:31 Nov 22 16:22 16:27 Average 17:54 18:06
Sunset times are output in the local timezone of each place. Period Seattle Las Vegas Sep 1 12:44 hours 12:04 hours Sep 8 12:29 hours 11:53 hours Sep 15 12:15 hours 11:43 hours Sep 22 11:56 hours 11:31 hours Oct 1 11:29 hours 11:19 hours Oct 8 11:05 hours 11:10 hours Oct 15 10:42 hours 11:01 hours Oct 22 10:14 hours 10:50 hours Nov 1 9:49 hours 10:18 hours Nov 8 9:28 hours 9:35 hours Nov 15 9:10 hours 9:31 hours Nov 22 8:52 hours 9:27 hours Average 10:54 hours 10:54 hours
Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone. Add more places to comparison? Columbus , would you like to add it to comparison ?