The mighty El Capitan located in Guadalupe Mountains National Park, Texas
Weather in September
As summer begins to fade in Guadalupe Mountains National Park, September brings moderate weather. High temperatures descend to a comfortable average of 79°F (26.1°C). As the park transitions into the fall season, the rainfall starts to decrease, averaging 2.7" (69mm). With these temperate conditions and the impressive 12.3 hours of daylight, September is often regarded as one of the most suitable months to visit the park.
On the first day of September, sunrise is at 7:35 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 7:45 pm CDT.
Temperature
September's onset in Guadalupe Mountains National Park records a minor alteration in the average high-temperature to a still moderately hot 79°F (26.1°C) from August's 84°F (28.9°C). Guadalupe Mountains National Park's temperature lowers to a mean of 57.6°F (14.2°C) during the nights in September.Rainfall
Throughout September, 2.64" (67mm) of precipitation is accumulated. Throughout the year, 18.27" (464mm) of rain is accumulated.Daylight
In September, the average length of the day is 12h and 21min.On the first day of September, sunrise is at 7:35 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 7:45 pm CDT.
Updated: Jul 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Guadalupe Mountains National Park in September?
The average high-temperature and low-temperature during September are 79°F (26.1°C) and 57.6°F (14.2°C) respectively.
How much does it rain in September?
During September, Guadalupe Mountains National Park regularly aggregates up to 2.64" (67mm) of precipitation.
How many hours of daylight does Guadalupe Mountains National Park have in September?
The average day length in September is 12h and 21min.
When are sunrise and sunset in September?
On the first day of September, sunrise is at 7:35 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 7:45 pm CDT.
Average temperature in September
Guadalupe Mountains National Park, TX
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is June (87.1°F).
The month with the lowest average high temperature is December (53.2°F).
- Average low temperature in September: 57.5°F
The month with the highest average low temperature is July (63.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average rainfall in September
Guadalupe Mountains National Park, TX
- Average rainfall in September: 2.7"
The wettest month (with the highest rainfall) is August (3.6").
The driest months (with the least rainfall) are January, March, April and November (0.7").
Average daylight in September
Guadalupe Mountains National Park, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
Guadalupe Mountains National Park, Texas, USA
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