Autumn weather

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

Temperatures

Maximum Temperatures

Period	Indianapolis	Chiang Mai
Sep 1	80.4°F	87.8°F
Sep 8	78.8°F	86.0°F
Sep 15	81.9°F	86.4°F
Sep 22	75.2°F	86.7°F
Oct 1	74.1°F	86.4°F
Oct 8	70.5°F	86.7°F
Oct 15	62.2°F	85.3°F
Oct 22	60.3°F	85.8°F
Nov 1	57.9°F	86.0°F
Nov 8	51.3°F	86.0°F
Nov 15	47.8°F	87.1°F
Nov 22	46.9°F	85.3°F
Average	86.3°F	65.6°F

Minimum Temperatures

Period	Indianapolis	Chiang Mai
Sep 1	63.0°F	73.0°F
Sep 8	60.6°F	72.5°F
Sep 15	62.6°F	72.5°F
Sep 22	58.6°F	72.0°F
Oct 1	56.7°F	71.8°F
Oct 8	52.0°F	70.9°F
Oct 15	45.0°F	70.0°F
Oct 22	45.9°F	69.8°F
Nov 1	42.8°F	67.6°F
Nov 8	36.3°F	67.6°F
Nov 15	34.7°F	68.7°F
Nov 22	33.6°F	66.6°F
Average	70.3°F	49.3°F

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

Conditions

Sunny Weather

Period	Indianapolis	Chiang Mai
Sep 1	7.7 hours/day	1.3 hours/day
Sep 8	7.3 hours/day	1.3 hours/day
Sep 15	8.0 hours/day	2.2 hours/day
Sep 22	6.8 hours/day	2.3 hours/day
Oct 1	5.8 hours/day	1.9 hours/day
Oct 8	6.5 hours/day	2.8 hours/day
Oct 15	6.1 hours/day	2.3 hours/day
Oct 22	3.6 hours/day	3.2 hours/day
Nov 1	5.2 hours/day	3.4 hours/day
Nov 8	5.0 hours/day	5.1 hours/day
Nov 15	3.4 hours/day	5.3 hours/day
Nov 22	3.7 hours/day	5.2 hours/day
Average	3.0 hours/day	5.8 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	Indianapolis	Chiang Mai
Sep 1	0.1in	0.3in
Sep 8	0.1in	0.4in
Sep 15	0.1in	0.3in
Sep 22	0.1in	0.3in
Oct 1	0.1in	0.4in
Oct 8	0.1in	0.3in
Oct 15	0.1in	0.2in
Oct 22	0.2in	0.2in
Nov 1	0.2in	0.1in
Nov 8	0.1in	0.1in
Nov 15	0.2in	0.1in
Nov 22	0.1in	0.1in
Average	0.2in	0.1in

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

Wind Speed

Period	Indianapolis	Chiang Mai
Sep 1	10.1mph	4.0mph
Sep 8	9.2mph	3.6mph
Sep 15	8.4mph	3.6mph
Sep 22	10.1mph	3.6mph
Oct 1	10.4mph	3.4mph
Oct 8	10.9mph	3.6mph
Oct 15	11.6mph	3.3mph
Oct 22	12.1mph	3.6mph
Nov 1	11.9mph	3.6mph
Nov 8	11.3mph	3.5mph
Nov 15	12.5mph	3.3mph
Nov 22	11.8mph	3.2mph
Average	3.5mph	10.9mph

Humidity

Period	Indianapolis	Chiang Mai
Sep 1	71.0%	81.9%
Sep 8	68.7%	83.2%
Sep 15	68.5%	83.9%
Sep 22	69.2%	82.6%
Oct 1	68.6%	83.1%
Oct 8	66.1%	81.9%
Oct 15	61.8%	81.6%
Oct 22	69.5%	81.4%
Nov 1	67.2%	77.1%
Nov 8	65.2%	76.6%
Nov 15	70.9%	75.9%
Nov 22	69.9%	75.7%
Average	80.4%	68.1%

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Astronomy

Sunrise Time

Period	Indianapolis	Chiang Mai
Sep 1	7:16	6:10
Sep 8	7:22	6:11
Sep 15	7:29	6:12
Sep 22	7:37	6:13
Oct 1	7:44	6:15
Oct 8	7:51	6:17
Oct 15	7:58	6:19
Oct 22	8:07	6:22
Nov 1	7:53	6:25
Nov 8	7:25	6:29
Nov 15	7:33	6:32
Nov 22	7:42	6:37
Average	6:18	7:42

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

Sunset Time

Period	Indianapolis	Chiang Mai
Sep 1	20:11	18:36
Sep 8	19:59	18:30
Sep 15	19:48	18:24
Sep 22	19:35	18:17
Oct 1	19:22	18:10
Oct 8	19:11	18:04
Oct 15	19:01	17:59
Oct 22	18:49	17:54
Nov 1	18:16	17:50
Nov 8	17:32	17:47
Nov 15	17:27	17:46
Nov 22	17:22	17:45
Average	18:06	18:54

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

Useful Day Length

Period	Indianapolis	Chiang Mai
Sep 1	12:55 hours	11:36 hours
Sep 8	12:37 hours	11:30 hours
Sep 15	12:19 hours	11:24 hours
Sep 22	11:58 hours	11:17 hours
Oct 1	11:38 hours	11:10 hours
Oct 8	11:20 hours	11:04 hours
Oct 15	11:02 hours	10:59 hours
Oct 22	10:42 hours	10:54 hours
Nov 1	10:22 hours	10:50 hours
Nov 8	10:07 hours	10:47 hours
Nov 15	9:54 hours	10:46 hours
Nov 22	9:40 hours	10:45 hours
Average	11:06 hours	11:12 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

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