Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the shift to September, Butte Falls records a mild decrease in average high-temperature, moving from 82°F (27.8°C) in August to a still warm 74.5°F (23.6°C). Butte Falls anticipates a considerable drop in temperature at night in September, with an average low of 44.6°F (7°C).Humidity
In September, the average relative humidity in Butte Falls is 64%.Rainfall
In Butte Falls, Oregon, in September, it is raining for 5.6 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 140 rainfall days, and 23.78" (604mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:52 pm PDT.
Sunshine
In September, the average sunshine in Butte Falls is 10.4h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Be vigilant - Preventing sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are the temperatures in Butte Falls in September?
What is the average humidity in September in Butte Falls?
How much does it rain in Butte Falls in September?
When it does not snow in Butte Falls?
What is the average length of the day in September in Butte Falls?
When are sunrise and sunset in September in Butte Falls?
How long on average sun shines in September in Butte Falls?
What is the UV index reading in September in Butte Falls?
Average temperature in September
Butte Falls, OR
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in September: 44.6°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in September
Butte Falls, OR
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in September
Butte Falls, OR
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in September
Butte Falls, OR
- Average humidity in September: 64%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Butte Falls, OR
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Butte Falls, OR
- Average rainfall days in September: 5.6 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in September
Butte Falls, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.77").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Butte Falls, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Butte Falls, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Butte Falls, OR
- Average sunshine days in September: 22.4 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (10 days).
Average UV index in September
Butte Falls, OR
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Butte Falls, OR
- Average cloud cover in September: 21
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Butte Falls, OR
- Average visibility in September: 6mi
The months with the highest visibility are July, August and September (6mi).
The month with the lowest visibility is December (4mi).
Butte Falls, Oregon, USA
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