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 minor change in the average high-temperature, shifting from a warm 82.8°F (28.2°C) in August to a still moderately hot 74.1°F (23.4°C). September nights in Dairy see a notable contrast from daytime highs, with the nighttime temperature averaging at a chilly 44.1°F (6.7°C).Humidity
In September, the average relative humidity is 51%.Rainfall
In Dairy, during September, the rain falls for 4 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Dairy, during the entire year, the rain falls for 97.4 days and collects up to 12.01" (305mm) of precipitation.Snowfall
Months with snowfall in Dairy are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Dairy, there are 64.6 snowfall days, and 38.31" (973mm) of snow is accumulated.Daylight
In September, the average length of the day in Dairy is 12h and 28min.On the first day of September in Dairy, sunrise is at 6:32 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm PDT.
Sunshine
In September, the average sunshine in Dairy is 11.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the average September temperature in Dairy?
What is the average humidity in September in Dairy?
How much does it rain in Dairy in September?
When does it start to snow in Dairy?
How many hours of daylight does Dairy have in September?
When are sunrise and sunset in September in Dairy?
How long on average sun shines in September in Dairy?
How high is the UV index in September in Dairy?
Average temperature in September
Dairy, OR
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in September: 44.1°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).
Average pressure in September
Dairy, OR
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.96"Hg).
Average wind speed in September
Dairy, OR
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Dairy, OR
- Average humidity in September: 51%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Dairy, OR
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Dairy, OR
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in September
Dairy, OR
- Average snowfall in September: 0.08"
The month with the highest snowfall is December (9.57").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Dairy, OR
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (13.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Dairy, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Dairy, OR
- Average sunshine days in September: 24.8 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in September
Dairy, 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, March, November and December (UV index 2).
Average cloud cover in September
Dairy, OR
- Average cloud cover in September: 14
The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Dairy, 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).
Dairy, Oregon, USA
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