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
Warrenton's shift from August to September is accompanied by an average high-temperature of a still enjoyable 64°F (17.8°C), a slight deviation from 65.8°F (18.8°C). Throughout the month of September, the nighttime temperature in Warrenton dips to an average of 53.2°F (11.8°C).Humidity
In September, the average relative humidity is 83%.Rainfall
In Warrenton, in September, it is raining for 11.6 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 191.4 rainfall days, and 40.39" (1026mm) of precipitation is accumulated.Snowfall
January through March, September and December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Warrenton, there are 3.3 snowfall days, and 1.54" (39mm) of snow is accumulated.Daylight
The average length of the day in September in Warrenton is 12h and 31min.On the first day of September, sunrise is at 6:37 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:56 pm PDT.
Sunshine
The average sunshine in September in Warrenton, Oregon, is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the temperature in September in Warrenton?
What is the average humidity in September in Warrenton?
How many days does it rain in September in Warrenton?
When does it start to snow in Warrenton?
What is the average length of the day in September in Warrenton?
What time are sunrise and sunset in September in Warrenton?
How long on average sun shines in September in Warrenton?
What is the UV index reading in September in Warrenton?
Average temperature in September
Warrenton, OR
- Average high temperature in September: 64°F
The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is August (54.5°F).
The coldest months (with the lowest average low temperature) are February and December (39.9°F).
Average pressure in September
Warrenton, OR
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed in September
Warrenton, OR
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Warrenton, OR
- Average humidity in September: 83%
The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is May (81%).
Average rainfall in September
Warrenton, OR
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is December (6.54").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in September
Warrenton, OR
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is August (7.1 days).
Average snowfall in September
Warrenton, OR
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, October and November (0").
Average snowfall days in September
Warrenton, OR
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Warrenton, 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: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Warrenton, OR
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is August (20.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Warrenton, OR
- Average UV index in September: 4
The month with the highest UV index is 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
Warrenton, OR
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Warrenton, OR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Warrenton, Oregon, USA
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