September weather forecastPackwood, WA
September
Weather in September
September, the first month of the autumn in Packwood, is still a refreshing month, with an average temperature fluctuating between 63.9°F (17.7°C) and 40.5°F (4.7°C).Temperature
The shift from August to September corresponds with a decrease in the average high-temperature, down to a refreshing 63.9°F (17.7°C) from a warm 74.1°F (23.4°C). From the height of daytime heat, the temperature recedes to an average of 40.5°F (4.7°C) at night during September.Humidity
The average relative humidity in September is 70%.Rainfall
In September, in Packwood, the rain falls for 9.5 days. Throughout September, 1.26" (32mm) of precipitation is accumulated. In Packwood, during the entire year, the rain falls for 96.1 days and collects up to 36.54" (928mm) of precipitation.Snowfall
January through July, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 2 snowfall days, it receives 1.14" (29mm) of snow. Throughout the year, there are 147 snowfall days, and 210.2" (5339mm) of snow is accumulated.Daylight
In September, the average length of the day in Packwood 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
The average sunshine in September is 9.7h.UV index
In Packwood, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 30min
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 42min
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).
