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
In the transition to September, Mill City observes a minor drop in the average high-temperature, shifting from a warm 77.7°F (25.4°C) in August to a pleasant 70.7°F (21.5°C). Despite a noticeable differential from daytime highs, Mill City notes an average nighttime low-temperature of 46.2°F (7.9°C) in September.Humidity
In Mill City, the average relative humidity in September is 72%.Rainfall
In Mill City, in September, it is raining for 10.8 days, with typically 1.77" (45mm) of accumulated precipitation. In Mill City, during the entire year, the rain falls for 178.8 days and collects up to 45.31" (1151mm) of precipitation.Snowfall
In Mill City, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:33 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:51 pm PDT.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mill City in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Mill City have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Mill City?
Average temperature in September
Mill City, OR
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in September: 46.2°F
The month with the highest average low temperature is August (48.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in September
Mill City, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in September
Mill City, OR
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is January (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Mill City, OR
- Average humidity in September: 72%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Mill City, OR
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is December (6.65").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Mill City, OR
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is July (5.4 days).
Average snowfall in September
Mill City, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Mill City, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 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
Mill City, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Mill City, OR
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in September
Mill City, OR
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Mill City, OR
- Average cloud cover in September: 35
The months with the most cloud cover are February and March (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Mill City, OR
- Average visibility in September: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).
Mill City, Oregon, USA
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