Mayagüez in september: average Weather, Temperature and Climate
Weather in Mayagüez in september 2025
The weather in Mayagüez in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
83°F
Clear/Sunny
55% of time
22%
19%
6%
Weather at 12pm
86°F
Clear/Sunny
37% of time
32%
18%
11%
Weather at 6pm
83°F
Moderate rain at times
40% of time
35%
20%
6%
Weather at 3am
81°F
55%
21%
20%
4%
Evolution of daily average temperature and precipitation in Mayagüez in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Mayagüez in september.
The climate of Mayagüez in september is tolerable
The climate in september in Mayagüez is wet (with 10.2in of precipitation over 15 days). It should be noted an improvement from the previous month since in august it receives an average of 9.7in of rainfall over 16 days.
The climate is very hot in that area in september. The high seasonal norm is 88°F. On average, the recorded minimum temperature is 83°F. Thus, the mean temperature average on this month of september in Mayagüez is 85°F. These temperatures are far removed from those records observed in Mayagüez in the month of september with a maximum record of 94°F in 2021 and a minimum record of 76°F in 2021. You can hope to have about 21 days with temperatures up to 86°F, or 70 of the month.
In september in Mayagüez, the days on average last 12:14. The sun rises at 06:16 and sets at 18:30.
With proper weather, this month is okay (but not the best) to go there in Puerto Rico.
September: another location in Puerto Rico?
If you want to go to Puerto Rico in september, there are destinations with better weather than Mayagüez:
In september, San Juan, Bayamón, Vieques, Carolina, Ceiba and Fajardo have good weather.
Seasonal average climate and temperature of Mayagüez in september
Check below seasonal norms These statistics are generated from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 94°F (2021) | ||||
| Lowest record temperature | 76°F (2021) | ||||
| Number of days at +86°F | 21 day(s) (70%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 84°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 10.2in | ||||
| Number of days with rainfall | 15 day(s) (49%) | ||||
| Record daily rainfall | 11.1in (2017) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.28km | ||||
| Cloud cover | 23% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:16 | ||||
| Time of sunset | 18:30 | ||||
| Length of day | 12:14 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Mayagüez in september 2024:
79°F to 86°F
79°F to 86°F
81°F to 90°F
79°F to 88°F
79°F to 85°F
79°F to 86°F
79°F to 86°F
81°F to 86°F
81°F to 85°F
79°F to 86°F
79°F to 86°F
79°F to 86°F
79°F to 88°F
81°F to 90°F
81°F to 88°F
79°F to 86°F
76°F to 86°F
77°F to 88°F
77°F to 90°F
77°F to 86°F
79°F to 88°F
79°F to 88°F
81°F to 88°F
79°F to 86°F
81°F to 90°F
79°F to 86°F
79°F to 88°F
79°F to 90°F
77°F to 88°F
79°F to 88°F
Map: other cities in Puerto Rico in september
Cities near Mayagüez:
| Hormigueros in september | tolerable weather |
| Anasco in september | tolerable weather |
| Cabo Rojo in september | tolerable weather |
| San German in september | tolerable weather |
| Rincon in september | tolerable weather |
| Boqueron in september | tolerable weather |
| San Sebastian in september | tolerable weather |
| Aguadilla in september | tolerable weather |
| Isabela in september | tolerable weather |
| Guanica in september | tolerable weather |
| Yauco in september | tolerable weather |
| Quebradillas in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Mayagüez
perfect weather
good
tolerable
bad
very bad
Weather data for Mayagüez in september:
Weather data for Mayagüez for september are derived from an average of the weather forecast since 2009 in Mayagüez. There is a margin of error and these forecasts are to be considered as general information only. The weather in Mayagüez can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Mayagüez.