September weather forecastIdleyld Park, OR
September
Weather in September
The first month of the autumn, September, is still a warm month in Idleyld Park, Oregon, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 45.3°F (7.4°C).Temperature
September signifies a gentle decline in Idleyld Park's average high-temperature, easing from a warm 80.2°F (26.8°C) in August to a still moderately hot 73.9°F (23.3°C). Idleyld Park's average nighttime temperature descends significantly from the day's peak in September, settling at a chilly 45.3°F (7.4°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In Idleyld Park, during September, the rain falls for 7.7 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Idleyld Park, during the entire year, the rain falls for 153.9 days and collects up to 27.72" (704mm) of precipitation.Snowfall
In Idleyld Park, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:37 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:54 pm PDT.
Sunshine
In September, the average sunshine is 9.6h.UV index
In Idleyld Park, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 in September translates into these instructions:
Exercise prevention - Warding off sunburn is urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Idleyld Park, OR
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in September
Idleyld Park, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in September
Idleyld Park, OR
- Average wind speed in September: 3.2mph
The windiest months (with the highest average wind speed) are January and March (4mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in September
Idleyld Park, OR
- Average humidity in September: 74%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Idleyld Park, OR
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Idleyld Park, OR
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Idleyld Park, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Idleyld Park, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Idleyld Park, 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 0min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Idleyld Park, OR
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in September
Idleyld Park, OR
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Idleyld Park, OR
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Idleyld Park, OR
- Average visibility in September: 5mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
