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
Upon the onset of September, Humptulips witnesses an average high-temperature of a still enjoyable 63.7°F (17.6°C), showing a close resemblance to the prior month. In the month of September, Humptulips's average low-temperature falls to a fresh 52.7°F (11.5°C).Humidity
In Humptulips, the average relative humidity in September is 83%.Rainfall
In Humptulips, Washington, during September, the rain falls for 10.6 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Humptulips, there are 152.8 rainfall days, and 19.41" (493mm) of precipitation is accumulated.Snowfall
In Humptulips, snow does not fall in April through October and December.Daylight
In September, the average length of the day in Humptulips, Washington, is 12h and 32min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:14 am and sunset at 6:56 pm PDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are the temperatures in Humptulips in September?
What is the average humidity in September in Humptulips?
How much does it rain in Humptulips in September?
When it does not snow in Humptulips?
What is the average length of the day in September in Humptulips?
When are sunrise and sunset in September in Humptulips?
How long on average sun shines in September in Humptulips?
When is the highest UV index in Humptulips?
What is the UV index reading in September in Humptulips?
Average temperature in September
Humptulips, WA
- Average high temperature in September: 63.7°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: 52.7°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in September
Humptulips, WA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in September
Humptulips, WA
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).
Average humidity in September
Humptulips, WA
- Average humidity in September: 83%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and June (81%).
Average rainfall in September
Humptulips, WA
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Humptulips, WA
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).
Average snowfall in September
Humptulips, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Humptulips, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Humptulips, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Humptulips, WA
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in September
Humptulips, WA
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Humptulips, WA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Humptulips, WA
- 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).
Humptulips, Washington, USA
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