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
Arrival of September comes with a reduction in the average high-temperature, falling from a moderately hot 74.1°F (23.4°C) in August to a refreshing 63.9°F (17.7°C). A marked drop from daytime peak temperatures to an average low-temperature of 40.5°F (4.7°C) is observed during the nights in September in Packwood.Humidity
The average relative humidity in September in Packwood is 70%.Rainfall
In Packwood, in September, it is raining for 9.5 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Packwood, Washington, there are 96.1 rainfall days, and 36.54" (928mm) of precipitation is accumulated.Snowfall
Months with snowfall in Packwood are January through July, September through December. September is the first month it typically snows in Packwood. Throughout September, in the average 2 snowfall days, it receives 1.14" (29mm) of snow. Throughout the year, in Packwood, there are 147 snowfall days, and 210.2" (5339mm) of snow is accumulated.Daylight
In Packwood, Washington, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:47 pm PDT.
Sunshine
In Packwood, the average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the temperature in September in Packwood?
What is the average humidity in September in Packwood?
How much does it rain in Packwood in September?
When does it start to snow in Packwood?
How many hours of daylight does Packwood have in September?
When are sunrise and sunset in September in Packwood?
How many hours of sunshine does Packwood have in September?
How high is the UV index in September in Packwood?
Average temperature in September
Packwood, WA
- Average high temperature in September: 63.9°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in September: 40.5°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in September
Packwood, WA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in September
Packwood, WA
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in September
Packwood, WA
- Average humidity in September: 70%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are July and August (63%).
Average rainfall in September
Packwood, WA
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is January (6.14").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in September
Packwood, WA
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is October (12.6 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Packwood, WA
- Average snowfall in September: 1.14"
The month with the highest snowfall is January (41.73").
The month with the least snowfall is August (0").
Average snowfall days in September
Packwood, WA
- Average snowfall days in September: 2 days
The month with the highest number of snowfall days is March (22.2 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in September /
Average sunshine in September
Packwood, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 18min).
Average sunshine days in September
Packwood, WA
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Packwood, WA
- Average UV index in September: 3
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 1).
Average cloud cover in September
Packwood, WA
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in September
Packwood, WA
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Packwood, Washington, USA
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