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San Juan PR

Autumn weather

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

Temperatures

Maximum Temperatures

Minimum Temperatures

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

Conditions

Sunny Weather

Period	San Juan
Sep 1	4.4 hours/day
Sep 8	3.3 hours/day
Sep 15	3.0 hours/day
Sep 22	2.3 hours/day
Oct 1	2.7 hours/day
Oct 8	2.8 hours/day
Oct 15	2.4 hours/day
Oct 22	2.8 hours/day
Nov 1	2.1 hours/day
Nov 8	1.9 hours/day
Nov 15	2.2 hours/day
Nov 22	3.4 hours/day
Average	2.8 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

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

Wind Speed

Humidity

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Astronomy

Sunrise Time

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

Sunset Time

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

Useful Day Length

Period	San Juan
Sep 1	11:36 hours
Sep 8	11:30 hours
Sep 15	11:23 hours
Sep 22	11:17 hours
Oct 1	11:10 hours
Oct 8	11:05 hours
Oct 15	11:00 hours
Oct 22	10:55 hours
Nov 1	10:50 hours
Nov 8	10:48 hours
Nov 15	10:47 hours
Nov 22	10:47 hours
Average	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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Weather in San Juan

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Daily Forecast

Autumn weather

Temperatures

Conditions

Astronomy

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	San Juan PR
Today Sat May 10
Sun May 11
Mon May 12
Tue May 13
Wed May 14
Thu May 15
Fri May 16

Period	San Juan
Sep 1	87.4°F
Sep 8	87.8°F
Sep 15	86.9°F
Sep 22	87.3°F
Oct 1	86.5°F
Oct 8	86.7°F
Oct 15	86.0°F
Oct 22	85.3°F
Nov 1	84.0°F
Nov 8	84.0°F
Nov 15	84.0°F
Nov 22	83.5°F
Average	85.8°F

Period	San Juan
Sep 1	77.2°F
Sep 8	77.4°F
Sep 15	77.9°F
Sep 22	77.2°F
Oct 1	77.0°F
Oct 8	76.5°F
Oct 15	76.5°F
Oct 22	75.7°F
Nov 1	74.8°F
Nov 8	75.0°F
Nov 15	74.7°F
Nov 22	74.1°F
Average	76.2°F

Period	San Juan
Sep 1	0.2in
Sep 8	0.1in
Sep 15	0.4in
Sep 22	0.3in
Oct 1	0.3in
Oct 8	0.2in
Oct 15	0.3in
Oct 22	0.2in
Nov 1	0.3in
Nov 8	0.2in
Nov 15	0.2in
Nov 22	0.1in
Average	0.2in

Period	San Juan
Sep 1	11.7mph
Sep 8	10.1mph
Sep 15	11.9mph
Sep 22	10.4mph
Oct 1	9.3mph
Oct 8	10.1mph
Oct 15	10.7mph
Oct 22	9.8mph
Nov 1	10.2mph
Nov 8	10.4mph
Nov 15	10.1mph
Nov 22	9.7mph
Average	10.4mph

Period	San Juan
Sep 1	78.1%
Sep 8	78.5%
Sep 15	79.9%
Sep 22	79.6%
Oct 1	79.7%
Oct 8	79.0%
Oct 15	79.4%
Oct 22	79.9%
Nov 1	81.3%
Nov 8	82.4%
Nov 15	81.2%
Nov 22	80.6%
Average	80.0%

Period	San Juan
Sep 1	6:10
Sep 8	6:11
Sep 15	6:13
Sep 22	6:14
Oct 1	6:16
Oct 8	6:17
Oct 15	6:19
Oct 22	6:22
Nov 1	6:25
Nov 8	6:29
Nov 15	6:32
Nov 22	6:37
Average	6:18

Period	San Juan
Sep 1	18:36
Sep 8	18:30
Sep 15	18:23
Sep 22	18:17
Oct 1	18:10
Oct 8	18:05
Oct 15	18:00
Oct 22	17:55
Nov 1	17:50
Nov 8	17:48
Nov 15	17:47
Nov 22	17:47
Average	18:06