McAllen in september: average Weather, Temperature and Climate
Weather in McAllen in september 2025
The weather in McAllen in september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 8
Weather at 6am
79°F
Clear/Sunny
42% of time
29%
20%
6%
Weather at 12pm
92°F
Clear/Sunny
37% of time
30%
16%
10%
Weather at 6pm
90°F
Clear/Sunny
44% of time
26%
17%
11%
Weather at 3am
81°F
37%
34%
21%
5%
Evolution of daily average temperature and precipitation in McAllen in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in McAllen in september.
The climate of McAllen in september is good
the weather in McAllen in september is wet (with 5.1in of rainfall over 8 days). The weather is worst than the previous month since in august there is an average of 1.6in of precipitation over 2 days.
The climate is very hot in that locality the month of september. The high seasonal norm is 95°F. On average, the recorded minimum temperature is 79°F. Thus, the mean temperature average in september in McAllen is 86°F. Note that these seasonal averages are in contrast with those observed in McAllen in the month of september with a maximum record of 106°F in 2021 and a minimum record of 61°F in 2010. You can plan to have 86°F or more for all the month.
On this month of september, day length in McAllen is generally 12:18. Sunrise is at 06:19 and sunset is at 18:37.
With a good climate, september is recommended to go in this city in United States.
Seasonal average climate and temperature of McAllen in september
Check below seasonal norms These statistics are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 95°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 106°F (2021) | ||||
| Lowest record temperature | 61°F (2010) | ||||
| Number of days at +86°F | 29 day(s) (97%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.1in | ||||
| Number of days with rainfall | 8 day(s) (26%) | ||||
| Record daily rainfall | 4.3in (2009) | ||||
| Other climate data | |||||
| Humidity | 81% | ||||
| Visibility | 9.62km | ||||
| Cloud cover | 30% | ||||
| UV index | 8 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:19 | ||||
| Time of sunset | 18:37 | ||||
| Length of day | 12:18 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in McAllen in september 2024:
85°F to 95°F
83°F to 95°F
83°F to 90°F
79°F to 86°F
79°F to 92°F
81°F to 94°F
79°F to 92°F
77°F to 88°F
77°F to 88°F
74°F to 77°F
77°F to 95°F
81°F to 97°F
81°F to 97°F
81°F to 97°F
83°F to 90°F
79°F to 90°F
79°F to 94°F
79°F to 95°F
81°F to 95°F
81°F to 94°F
79°F to 94°F
81°F to 92°F
79°F to 90°F
79°F to 95°F
77°F to 90°F
77°F to 88°F
74°F to 95°F
72°F to 99°F
74°F to 95°F
76°F to 99°F
Map: other cities in the United States (USA) in september
Cities near McAllen:
| South Padre Island in september | good weather |
| Corpus Christi in september | good weather |
| Port Aransas in september | good weather |
| San Antonio (Texas) in september | good weather |
| Austin in september | good weather |
| Galveston in september | tolerable weather |
| Houston in september | good weather |
| Big Bend National Park (Texas) in september | perfect weather |
| Waco (Texas) in september | good weather |
| Dallas in september | good weather |
| Odessa in september | good weather |
| Louisiana in september | good weather |
Click over cities on the map for information about the weather in september.
McAllen
perfect weather
good
tolerable
bad
very bad
Weather data for McAllen in september:
Weather data for McAllen for september are derived from an average of the weather forecast since 2009 in McAllen. There is a margin of error and these forecasts are to be considered as general information only. The weather in McAllen 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 McAllen.