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 shift from August to September coincides with a small decrease in the average high-temperature, down to a still warm 74.8°F (23.8°C) from 81°F (27.2°C). Dillard, after an intense day, registers a significant cooling to an average low-temperature of 44.4°F (6.9°C) throughout September.Humidity
In September, the average relative humidity is 74%.Rainfall
In Dillard, during September, the rain falls for 6.6 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Dillard, during the entire year, the rain falls for 148.4 days and collects up to 25" (635mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:55 pm PDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In Dillard, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 3 in September leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Dillard have in September?
What is the UV index intensity in September?
Average temperature in September
Dillard, OR
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in September: 44.4°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 (32.9°F).
Average pressure in September
Dillard, 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
Dillard, OR
- Average wind speed in September: 3.2mph
The windiest month (with the highest average wind speed) is January (4mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).
Average humidity in September
Dillard, OR
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Dillard, OR
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in September
Dillard, OR
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in September
Dillard, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Dillard, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Dillard, 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: 9h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Dillard, OR
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in September
Dillard, 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
Dillard, OR
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Dillard, OR
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Dillard, Oregon, USA
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