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 Mitchell enters September, the average high-temperature decreases from the a warm 79.3°F (26.3°C) of August to an agreeable 70.3°F (21.3°C). Mitchell's nights during September are marked by a pronounced drop from daytime temperatures, experiencing an average low of 48.4°F (9.1°C).Humidity
In September, the average relative humidity in Mitchell is 48%.Rainfall
In September, the rain falls for 6.5 days. Throughout September, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 96.3 rainfall days, and 10.75" (273mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 59.1 snowfall days, and 23.58" (599mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:36 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:42 pm PDT.
Sunshine
The average sunshine in September is 10.8h.UV index
The average daily maximum UV index in September in Mitchell is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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 does it start to snow?
How many hours of daylight does Mitchell have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Mitchell, OR
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is December (33.6°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in September
Mitchell, OR
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in September
Mitchell, OR
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Mitchell, OR
- Average humidity in September: 48%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in September
Mitchell, OR
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is April (1.38").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Mitchell, OR
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in September
Mitchell, OR
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Mitchell, OR
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Mitchell, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Mitchell, OR
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is July (22.8 days).
The months with the least sunshine days are March and April (13.3 days).
Average UV index in September
Mitchell, 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
Mitchell, OR
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in September
Mitchell, OR
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Mitchell, Oregon, USA
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