September weather forecastChiloquin, OR
September
Weather in September
September, the first month of the autumn in Chiloquin, is still a pleasant month, with an average temperature fluctuating between 69.4°F (20.8°C) and 42.6°F (5.9°C).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a warm 76.8°F (24.9°C) in August to a pleasant 69.4°F (20.8°C). During September, Chiloquin reports a marked contrast from daily peak temperatures, with an average nighttime reading of 42.6°F (5.9°C).Humidity
The average relative humidity in September is 57%.Rainfall
In September, the rain falls for 3.4 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. Throughout the year, there are 60.4 rainfall days, and 5.71" (145mm) of precipitation is accumulated.Snowfall
Months with snowfall in Chiloquin are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 42.2 snowfall days, and 14.76" (375mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:49 pm PDT.
Sunshine
The average sunshine in September is 10.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chiloquin, OR
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in September: 42.6°F
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (25.3°F).
Average pressure in September
Chiloquin, OR
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in September
Chiloquin, OR
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are March and April (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Chiloquin, OR
- Average humidity in September: 57%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Chiloquin, OR
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is December (0.79").
The driest months (with the least rainfall) are June and July (0.2").
Average rainfall days in September
Chiloquin, OR
- Average rainfall days in September: 3.4 days
The month with the highest number of rainy days is April (8 days).
The month with the least rainy days is September (3.4 days).
Average snowfall in September
Chiloquin, OR
- Average snowfall in September: 0.24"
The month with the highest snowfall is December (3.54").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Chiloquin, OR
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Chiloquin, OR
- Average daylight in September: 12h and 30min
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 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Chiloquin, OR
- Average sunshine days in September: 25.9 days
The month with the most sunshine days is September (25.9 days).
The month with the least sunshine days is April (18.4 days).
Average UV index in September
Chiloquin, OR
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Chiloquin, OR
- Average cloud cover in September: 16
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in September
Chiloquin, OR
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
