Joshua Tree National Park in september: average Weather, Temperature and Climate
Weather in Joshua Tree National Park in september 2025
The weather in Joshua Tree National Park in the month of september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 8
Weather at 6am
83°F
Clear/Sunny
85% of time
9%
7%
1%
Weather at 12pm
95°F
Clear/Sunny
85% of time
8%
7%
2%
Weather at 6pm
83°F
Clear/Sunny
86% of time
8%
6%
2%
Weather at 3am
77°F
85%
9%
6%
1%
Evolution of daily average temperature and precipitation in Joshua Tree National Park in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Joshua Tree National Park in september.
The climate of Joshua Tree National Park in september is perfect
The weather in september in Joshua Tree National Park is dry ; it does not rain often (0.9in of rainfall over 2 days).
The climate is very hot in that locality the month of september. The high seasonal norm is 95°F. The seasonal minimum is 83°F. Thus, the mean temperature average on this month of september in Joshua Tree National Park is 90°F. Note that these seasonal averages are in contrast with those observed in Joshua Tree National Park in the month of september with a maximum record of 119°F in 2020 and a minimum record of 61°F in 2013. You can expect to have 86°F or more across the month.
In september in Joshua Tree National Park, the days on average last 12:23. Sunrise is at 05:27 and sunset is at 17:50.
With a good weather, this month is a good time to go in that area.
Seasonal average climate and temperature of Joshua Tree National Park in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 90°F | ||||
| Highest temperature | 95°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 119°F (2020) | ||||
| Lowest record temperature | 61°F (2013) | ||||
| Number of days at +86°F | 28 day(s) (93%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.9in | ||||
| Number of days with rainfall | 2 day(s) (5%) | ||||
| Record daily rainfall | 1.1in (2017) | ||||
| Other climate data | |||||
| Humidity | 34% | ||||
| Visibility | 9.93km | ||||
| Cloud cover | 5% | ||||
| UV index | 8 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:27 | ||||
| Time of sunset | 17:50 | ||||
| Length of day | 12:23 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Joshua Tree National Park in september 2024:
77°F to 97°F
81°F to 95°F
81°F to 97°F
81°F to 99°F
83°F to 103°F
85°F to 103°F
85°F to 95°F
79°F to 94°F
79°F to 95°F
81°F to 95°F
76°F to 90°F
70°F to 85°F
67°F to 86°F
70°F to 86°F
70°F to 85°F
61°F to 72°F
45°F to 77°F
56°F to 79°F
58°F to 79°F
54°F to 76°F
61°F to 88°F
68°F to 92°F
70°F to 95°F
70°F to 95°F
72°F to 95°F
70°F to 95°F
72°F to 99°F
76°F to 99°F
74°F to 99°F
72°F to 97°F
Map: other cities in California in september
Cities near Joshua Tree National Park:
| Palm Springs in september | perfect weather |
| Anza-Borrego Desert State Park in september | perfect weather |
| San Bernardino National Forest in september | perfect weather |
| Cleveland National Forest in september | perfect weather |
| Temecula in september | perfect weather |
| San Bernardino in september | perfect weather |
| Mojave National Preserve in september | good weather |
| Carlsbad in september | perfect weather |
| Oceanside in september | perfect weather |
| Encinitas in september | perfect weather |
| San Clemente in september | perfect weather |
| San Diego in september | perfect weather |
Click over cities on the map for information about the weather in september.
Joshua Tree National Park
perfect weather
good
tolerable
bad
very bad
Weather data for Joshua Tree National Park in september:
Weather data for Joshua Tree National Park for september are derived from an average of the weather forecast since 2009 in Joshua Tree National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Joshua Tree National Park 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 Joshua Tree National Park.