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
A change in temperatures is noted as August gives way to September, with average highs reducing from 84°F (28.9°C) to a still warm 74.1°F (23.4°C). Adams's nights in September experience an average temperature drop to a fresh 54.7°F (12.6°C).Humidity
In Adams, the average relative humidity in September is 46%.Rainfall
In Adams, in September, it is raining for 7 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Adams, there are 132.7 rainfall days, and 12.91" (328mm) of precipitation is accumulated.Snowfall
January through April, September, November and December are months with snowfall. September is the first month it typically snows in Adams. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Adams, there are 17.5 snowfall days, and 9.41" (239mm) of snow is accumulated.Daylight
The average length of the day in September in Adams, Oregon, is 12h and 31min.On the first day of September, sunrise is at 6:16 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:35 pm PDT.
Sunshine
The average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index in Adams is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun is at its strongest around midday, find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in September in Adams?
What is the average humidity in September in Adams?
How many days does it rain in September in Adams?
When does it start snowing in Adams?
What is the average length of the day in September in Adams?
What time are sunrise and sunset in September in Adams?
How many hours of sunshine does Adams have in September?
How high is the UV index in September in Adams?
Average temperature in September
Adams, OR
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (27.3°F).
Average pressure in September
Adams, OR
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in September
Adams, OR
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in September
Adams, OR
- Average humidity in September: 46%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Adams, OR
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is March (1.65").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Adams, OR
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in September
Adams, OR
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in September
Adams, OR
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Adams, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Adams, OR
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (11.7 days).
Average UV index in September
Adams, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Adams, OR
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Adams, OR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Adams, Oregon, USA
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