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
As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 78.4°F (25.8°C) in August to a pleasant 71.1°F (21.7°C). In September, Sheridan endures a notable temperature shift from day to night, with lows averaging at a chilly 48.7°F (9.3°C).Humidity
In Sheridan, Oregon, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Sheridan, there are 156 rainfall days, and 15.94" (405mm) of precipitation is accumulated.Snowfall
In Sheridan, snow does not fall in April through October.Daylight
In Sheridan, Oregon, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:50 pm. On the last day of September, in Sheridan, Oregon, sunrise is at 7:11 am and sunset at 6:55 pm PDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Sheridan, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What are September temperatures in Sheridan?
What is the average humidity in September in Sheridan?
How many days does it rain in September in Sheridan?
When it does not snow in Sheridan?
How many hours of daylight does Sheridan have in September?
When are sunrise and sunset in September in Sheridan?
How long on average sun shines in September in Sheridan?
What is the UV index intensity in September in Sheridan?
Average temperature in September
Sheridan, OR
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in September: 48.7°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in September
Sheridan, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in September
Sheridan, OR
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Sheridan, OR
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Sheridan, OR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Sheridan, OR
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in September
Sheridan, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sheridan, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sheridan, 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: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Sheridan, OR
- Average sunshine days in September: 18 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Sheridan, OR
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sheridan, OR
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Sheridan, OR
- Average visibility in September: 5mi
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).
Sheridan, Oregon, USA
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