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
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 79.9°F (26.6°C) in August to an agreeable 72.7°F (22.6°C). Despite a significant deviation from daily highs, September sees an average nighttime temperature of 49.1°F (9.5°C).Humidity
The average relative humidity in September is 71%.Rainfall
In Aumsville, during September, the rain falls for 9.9 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 169.4 rainfall days, and 31.57" (802mm) of precipitation is accumulated.Snowfall
In Aumsville, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:53 pm PDT.
Sunshine
In Aumsville, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Aumsville?
How many days does it rain in September?
When it does not snow in Aumsville?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Aumsville, OR
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (44.6°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in September
Aumsville, 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
Aumsville, OR
- Average wind speed in September: 4.1mph
The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Aumsville, OR
- Average humidity in September: 71%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Aumsville, OR
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Aumsville, OR
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in September
Aumsville, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Aumsville, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Aumsville, 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).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Aumsville, OR
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in September
Aumsville, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Aumsville, OR
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Aumsville, OR
- Average visibility in September: 6mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Aumsville, Oregon, USA
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