Autumn weather

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

Temperatures

Maximum Temperatures

Period	St. Louis	Cincinnati
Sep 1	84.7°F	83.1°F
Sep 8	83.1°F	80.6°F
Sep 15	86.2°F	83.3°F
Sep 22	79.9°F	77.4°F
Oct 1	77.5°F	76.5°F
Oct 8	74.1°F	72.5°F
Oct 15	66.6°F	65.1°F
Oct 22	63.1°F	63.0°F
Nov 1	61.5°F	60.6°F
Nov 8	54.3°F	54.1°F
Nov 15	53.1°F	50.7°F
Nov 22	51.1°F	48.9°F
Average	68.0°F	69.6°F

Minimum Temperatures

Period	St. Louis	Cincinnati
Sep 1	65.8°F	63.7°F
Sep 8	63.0°F	61.0°F
Sep 15	66.2°F	62.6°F
Sep 22	61.3°F	58.8°F
Oct 1	59.4°F	57.0°F
Oct 8	55.0°F	52.9°F
Oct 15	47.1°F	45.9°F
Oct 22	47.5°F	47.1°F
Nov 1	45.1°F	44.1°F
Nov 8	38.5°F	38.5°F
Nov 15	37.4°F	36.5°F
Nov 22	36.5°F	35.2°F
Average	50.3°F	51.9°F

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

Conditions

Sunny Weather

Period	St. Louis	Cincinnati
Sep 1	8.0 hours/day	6.7 hours/day
Sep 8	8.5 hours/day	6.8 hours/day
Sep 15	7.5 hours/day	7.1 hours/day
Sep 22	6.7 hours/day	6.4 hours/day
Oct 1	6.1 hours/day	5.5 hours/day
Oct 8	5.9 hours/day	6.7 hours/day
Oct 15	7.9 hours/day	5.9 hours/day
Oct 22	4.9 hours/day	4.2 hours/day
Nov 1	5.5 hours/day	5.0 hours/day
Nov 8	5.5 hours/day	5.2 hours/day
Nov 15	4.9 hours/day	3.9 hours/day
Nov 22	4.7 hours/day	3.8 hours/day
Average	5.6 hours/day	6.3 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	St. Louis	Cincinnati
Sep 1	0.1in	0.1in
Sep 8	0.1in	0.1in
Sep 15	0.1in	0.1in
Sep 22	0.1in	0.1in
Oct 1	0.1in	0.1in
Oct 8	0.1in	0.1in
Oct 15	0.1in	0.1in
Oct 22	0.2in	0.2in
Nov 1	0.1in	0.2in
Nov 8	0.1in	0.2in
Nov 15	0.1in	0.1in
Nov 22	0.1in	0.2in
Average	0.1in	0.1in

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

Wind Speed

Period	St. Louis	Cincinnati
Sep 1	10.0mph	8.0mph
Sep 8	9.3mph	7.9mph
Sep 15	9.1mph	6.9mph
Sep 22	10.2mph	8.6mph
Oct 1	10.4mph	8.3mph
Oct 8	11.8mph	8.8mph
Oct 15	12.2mph	9.3mph
Oct 22	13.1mph	9.9mph
Nov 1	11.4mph	9.5mph
Nov 8	11.6mph	9.1mph
Nov 15	12.6mph	10.4mph
Nov 22	11.9mph	9.8mph
Average	8.9mph	11.1mph

Humidity

Period	St. Louis	Cincinnati
Sep 1	66.8%	71.0%
Sep 8	64.7%	69.9%
Sep 15	65.7%	69.1%
Sep 22	63.2%	70.6%
Oct 1	64.9%	69.9%
Oct 8	62.2%	68.8%
Oct 15	55.3%	65.5%
Oct 22	65.7%	72.1%
Nov 1	66.2%	71.3%
Nov 8	63.3%	68.2%
Nov 15	67.4%	72.1%
Nov 22	66.9%	72.5%
Average	70.1%	64.4%

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Astronomy

Sunrise Time

Period	St. Louis	Cincinnati
Sep 1	6:32	7:10
Sep 8	6:39	7:16
Sep 15	6:45	7:22
Sep 22	6:52	7:29
Oct 1	6:59	7:37
Oct 8	7:07	7:44
Oct 15	7:13	7:51
Oct 22	7:22	8:00
Nov 1	7:08	7:46
Nov 8	6:38	7:17
Nov 15	6:46	7:25
Nov 22	6:55	7:34
Average	7:30	6:54

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

Sunset Time

Period	St. Louis	Cincinnati
Sep 1	19:26	20:04
Sep 8	19:15	19:53
Sep 15	19:04	19:41
Sep 22	18:51	19:28
Oct 1	18:38	19:16
Oct 8	18:28	19:05
Oct 15	18:18	18:55
Oct 22	18:07	18:43
Nov 1	17:34	18:10
Nov 8	16:50	17:27
Nov 15	16:45	17:22
Nov 22	16:41	17:17
Average	18:48	18:12

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

Useful Day Length

Period	St. Louis	Cincinnati
Sep 1	12:26 hours	12:54 hours
Sep 8	12:15 hours	12:37 hours
Sep 15	12:04 hours	12:19 hours
Sep 22	11:51 hours	11:59 hours
Oct 1	11:38 hours	11:38 hours
Oct 8	11:22 hours	11:21 hours
Oct 15	11:05 hours	11:04 hours
Oct 22	10:45 hours	10:43 hours
Nov 1	10:26 hours	10:24 hours
Nov 8	9:50 hours	10:10 hours
Nov 15	9:45 hours	9:56 hours
Nov 22	9:41 hours	9:44 hours
Average	11:12 hours	11:06 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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Autumn weather

Temperatures

Conditions

Astronomy

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