Autumn weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

Maximum Temperatures

Period	Denver	Riverside
Sep 1	30.1°C	35.5°C
Sep 8	27.3°C	33.3°C
Sep 15	27.7°C	29.2°C
Sep 22	24.5°C	31.6°C
Oct 1	22.1°C	31.6°C
Oct 8	18.9°C	28.2°C
Oct 15	19.4°C	29.2°C
Oct 22	13.8°C	26.3°C
Nov 1	14.0°C	24.9°C
Nov 8	10.9°C	23.6°C
Nov 15	11.4°C	23.6°C
Nov 22	9.1°C	21.3°C
Average	19.1°C	28.2°C

Minimum Temperatures

Period	Denver	Riverside
Sep 1	16.0°C	23.6°C
Sep 8	13.4°C	22.5°C
Sep 15	13.2°C	18.8°C
Sep 22	10.7°C	19.3°C
Oct 1	8.7°C	19.0°C
Oct 8	4.9°C	16.9°C
Oct 15	4.9°C	16.8°C
Oct 22	0.9°C	14.9°C
Nov 1	1.2°C	13.7°C
Nov 8	-1.5°C	11.7°C
Nov 15	-0.9°C	12.0°C
Nov 22	-2.5°C	10.7°C
Average	5.8°C	16.7°C

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions

Sunny Weather

Period	Denver	Riverside
Sep 1	10.6 hours/day	12.4 hours/day
Sep 8	9.3 hours/day	11.4 hours/day
Sep 15	9.4 hours/day	10.5 hours/day
Sep 22	9.1 hours/day	10.9 hours/day
Oct 1	9.3 hours/day	10.4 hours/day
Oct 8	8.0 hours/day	11.1 hours/day
Oct 15	9.0 hours/day	10.5 hours/day
Oct 22	7.4 hours/day	8.6 hours/day
Nov 1	7.3 hours/day	8.6 hours/day
Nov 8	7.5 hours/day	8.7 hours/day
Nov 15	6.7 hours/day	7.9 hours/day
Nov 22	6.7 hours/day	6.8 hours/day
Average	8.4 hours/day	9.8 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.

Precipitation Levels

Period	Denver	Riverside
Sep 1	0.8mm	0.2mm
Sep 8	1.3mm	0.4mm
Sep 15	0.6mm	0.0mm
Sep 22	1.1mm	0.1mm
Oct 1	0.6mm	0.2mm
Oct 8	1.0mm	0.4mm
Oct 15	0.0mm	0.2mm
Oct 22	1.2mm	0.2mm
Nov 1	2.9mm	0.3mm
Nov 8	1.3mm	0.7mm
Nov 15	0.7mm	0.5mm
Nov 22	1.0mm	1.3mm
Average	1.0mm	0.4mm

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Period	Denver	Riverside
Sep 1	19.9km/h	16.8km/h
Sep 8	19.5km/h	16.0km/h
Sep 15	21.3km/h	15.4km/h
Sep 22	19.5km/h	14.8km/h
Oct 1	19.7km/h	14.5km/h
Oct 8	20.3km/h	14.4km/h
Oct 15	19.8km/h	13.6km/h
Oct 22	19.9km/h	13.4km/h
Nov 1	18.6km/h	12.8km/h
Nov 8	18.6km/h	11.8km/h
Nov 15	17.8km/h	10.4km/h
Nov 22	17.6km/h	10.2km/h
Average	19.4km/h	13.7km/h

Humidity

Period	Denver	Riverside
Sep 1	35.2%	39.8%
Sep 8	39.6%	37.9%
Sep 15	34.6%	47.8%
Sep 22	39.5%	40.7%
Oct 1	44.1%	36.6%
Oct 8	41.3%	40.8%
Oct 15	36.2%	35.0%
Oct 22	49.5%	36.9%
Nov 1	48.7%	38.5%
Nov 8	48.6%	32.2%
Nov 15	46.8%	33.9%
Nov 22	53.0%	37.2%
Average	43.1%	38.1%

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Astronomy

Sunrise Time

Sunrise times are output in the local timezone of each place.

Sunset Time

Period	Denver	Riverside
Sep 1	19:26	19:11
Sep 8	19:14	19:01
Sep 15	19:02	18:52
Sep 22	18:49	18:40
Oct 1	18:37	18:29
Oct 8	18:25	18:20
Oct 15	18:15	18:11
Oct 22	18:04	18:02
Nov 1	17:30	17:31
Nov 8	16:47	16:49
Nov 15	16:41	16:44
Nov 22	16:37	16:41
Average	18:06	18:00

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Denver	Riverside
Sep 1	12:26 hours	12:11 hours
Sep 8	12:14 hours	12:01 hours
Sep 15	12:02 hours	11:52 hours
Sep 22	11:49 hours	11:40 hours
Oct 1	11:37 hours	11:29 hours
Oct 8	11:19 hours	11:20 hours
Oct 15	11:02 hours	11:11 hours
Oct 22	10:41 hours	10:57 hours
Nov 1	10:22 hours	10:31 hours
Nov 8	9:47 hours	9:49 hours
Nov 15	9:41 hours	9:44 hours
Nov 22	9:37 hours	9:41 hours
Average	11:06 hours	11:00 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.

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Denver10:25

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Riverside09:25

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	Denver US	Riverside US
Today Tue May 20
Wed May 21
Thu May 22
Fri May 23
Sat May 24
Sun May 25
Mon May 26

	Today Tue May 20	Wed May 21	Thu May 22	Fri May 23	Sat May 24	Sun May 25	Mon May 26	Tue May 27	Wed May 28	Thu May 29	Fri May 30	Sat May 31	Sun Jun 01	Mon Jun 02
Denver US
Riverside US

Period	Denver	Riverside
Sep 1	6:30	6:25
Sep 8	6:37	6:30
Sep 15	6:43	6:35
Sep 22	6:51	6:40
Oct 1	6:59	6:46
Oct 8	7:06	6:52
Oct 15	7:13	6:58
Oct 22	7:22	7:05
Nov 1	7:08	6:49
Nov 8	6:40	6:18
Nov 15	6:47	6:25
Nov 22	6:56	6:32
Average	6:54	6:42

Weather in Denver and Riverside

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Daily Forecast

Autumn weather

Temperatures

Conditions

Astronomy

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