The Painted Hills Unit, in John Day Fossil Beds National Monument, Oregon
Weather in September
September, the first month of the autumn in John Day Fossil Beds National Monument, is still a warm month, with an average temperature ranging between min 44.1°F (6.7°C) and max 77°F (25°C).
On the first day of September, sunrise is at 6:22 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:40 pm PDT.
Temperature
Arrival of September comes with a reduction in the average high-temperature, falling from a hot 86°F (30°C) in August to a warm 77°F (25°C). John Day Fossil Beds National Monument's nighttime temperature in September demonstrates a noticeable plunge to a frosty 44.1°F (6.7°C).Rainfall
Throughout September, 0.67" (17mm) of precipitation is accumulated. Throughout the year, 11.34" (288mm) of rain is accumulated.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:22 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:40 pm PDT.
Updated: Aug 23, 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 September temperatures in John Day Fossil Beds National Monument?
The high-temperature, in September, in John Day Fossil Beds National Monument, records 77°F (25°C), while the low-temperature is 44.1°F (6.7°C).
How much does it rain in September?
Throughout September, 0.67" (17mm) of precipitation is accumulated.
What is the average length of the day in September?
In John Day Fossil Beds National Monument, the average day length in September is 12h and 30min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:40 pm PDT.
Average temperature in September
John Day Fossil Beds National Monument, OR
- Average high temperature in September: 77°F
The warmest months (with the highest average high temperature) are July and August (86°F).
The months with the lowest average high temperature are January and December (42°F).
- Average low temperature in September: 44°F
The months with the highest average low temperature are July and August (52°F).
The coldest month (with the lowest average low temperature) is January (24°F).
Average rainfall in September
John Day Fossil Beds National Monument, OR
- Average rainfall in September: 0.7"
The wettest month (with the highest rainfall) is May (1.7").
The driest month (with the least rainfall) is July (0.6").
Average daylight in September
John Day Fossil Beds National Monument, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
John Day Fossil Beds National Monument, Oregon, USA
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