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 average high-temperature slightly decreases in September, shifting from a moderately hot 84.4°F (29.1°C) in August to a still warm 77.2°F (25.1°C). White City's temperature in September declines substantially from daytime highs, settling at a consistent average of 45.7°F (7.6°C) during the nights.Humidity
The average relative humidity in September is 62%.Rainfall
In White City, in September, it is raining for 5.1 days, with typically 0.67" (17mm) of accumulated precipitation. In White City, during the entire year, the rain falls for 129 days and collects up to 18.07" (459mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:37 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:53 pm PDT.
Sunshine
The average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does White City have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
White City, OR
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is August (84.4°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in September: 45.7°F
The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).
Average pressure in September
White City, OR
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in September
White City, OR
- Average wind speed in September: 3.5mph
The windiest month (with the highest average wind speed) is January (4.4mph).
The calmest months (with the lowest average wind speed) are September and October (3.5mph).
Average humidity in September
White City, OR
- Average humidity in September: 62%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
White City, OR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
White City, OR
- Average rainfall days in September: 5.1 days
The month with the highest number of rainy days is March (17.9 days).
The month with the least rainy days is July (3 days).
Average snowfall in September
White City, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
White City, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
White City, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
White City, OR
- Average sunshine days in September: 23.8 days
The month with the most sunshine days is August (26.4 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in September
White City, 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
White City, OR
- Average cloud cover in September: 19
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
White City, OR
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (5mi).
White City, Oregon, USA
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