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 start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 82°F (27.8°C) in August to a still moderately hot 74.3°F (23.5°C). During the nights in September, Sherwood records a pronounced shift from the daytime warmth, with a consistent average temperature of 52°F (11.1°C).Humidity
The average relative humidity in September in Sherwood is 69%.Rainfall
In Sherwood, in September, during 10.8 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, in Sherwood, there are 170.9 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Sherwood.Daylight
In Sherwood, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:52 pm PDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In Sherwood, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the average September temperature in Sherwood?
What is the average humidity in September in Sherwood?
How many days does it rain in September in Sherwood?
When it does not snow in Sherwood?
What is the average length of the day in September in Sherwood?
When is the sunrise / sunset in September in Sherwood?
How long on average sun shines in September in Sherwood?
What is the UV index intensity in September in Sherwood?
Average temperature in September
Sherwood, OR
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (44.1°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in September
Sherwood, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in September
Sherwood, OR
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Sherwood, OR
- Average humidity in September: 69%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Sherwood, 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 (0.31").
Average rainfall days in September
Sherwood, OR
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in September
Sherwood, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sherwood, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sherwood, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Sherwood, OR
- Average sunshine days in September: 18 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in September
Sherwood, 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
Sherwood, OR
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Sherwood, 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).
Sherwood, Oregon, USA
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