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 shift from August to September involves a decrease in the average high-temperature, dropping from a warm 81.3°F (27.4°C) to a pleasant 71.6°F (22°C). Rowena's average low-temperature is measured at a fresh 50.7°F (10.4°C) during September.Humidity
In Rowena, the average relative humidity in September is 58%.Rainfall
In Rowena, in September, it is raining for 6.9 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, in Rowena, Oregon, there are 133.5 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Rowena, Oregon.Daylight
The average length of the day in September in Rowena is 12h and 31min.On the first day of September in Rowena, sunrise is at 6:27 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:46 pm PDT.
Sunshine
The average sunshine in September in Rowena is 10.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the average September temperature in Rowena?
What is the average humidity in September in Rowena?
How much does it rain in Rowena in September?
When it does not snow in Rowena?
How many hours of daylight does Rowena have in September?
What time are sunrise and sunset in September in Rowena?
How many hours of sunshine does Rowena have in September?
What is the UV index reading in September in Rowena?
Average temperature in September
Rowena, OR
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in September
Rowena, OR
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in September
Rowena, OR
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in September
Rowena, OR
- Average humidity in September: 58%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in September
Rowena, OR
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Rowena, OR
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in September
Rowena, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rowena, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (4.4 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
Rowena, 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: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Rowena, OR
- Average sunshine days in September: 21.6 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in September
Rowena, 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
Rowena, OR
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in September
Rowena, 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).
Rowena, Oregon, USA
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