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
Winlock observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 77.5°F (25.3°C) to an agreeable 70.2°F (21.2°C). September nights in Winlock, Washington, experience a distinct temperature drop from the daily highs, with an average low-temperature of 46.6°F (8.1°C).Humidity
In Winlock, Washington, the average relative humidity in September is 79%.Rainfall
In Winlock, during September, the rain falls for 12.7 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Winlock, during the entire year, the rain falls for 188.7 days and collects up to 33.54" (852mm) of precipitation.Snowfall
In Winlock, Washington, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Winlock, sunrise is at 6:32 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:52 pm PDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun 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 the temperatures in Winlock in September?
What is the average humidity in September in Winlock?
How many days does it rain in September in Winlock?
When it does not snow in Winlock?
How many hours of daylight does Winlock have in September?
What time are sunrise and sunset in September in Winlock?
How long on average sun shines in September in Winlock?
What is the UV index intensity in September in Winlock?
Average temperature in September
Winlock, WA
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in September: 46.6°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in September
Winlock, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in September
Winlock, WA
- Average wind speed in September: 3.6mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in September
Winlock, WA
- Average humidity in September: 79%
The months with the highest relative humidity are February and November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Winlock, WA
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is January (5.12").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in September
Winlock, WA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is July (7.4 days).
Average snowfall in September
Winlock, WA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Winlock, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Winlock, 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 42min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are February and December (Average sunshine: 3h and 36min).
Average sunshine days in September
Winlock, WA
- Average sunshine days in September: 15 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Winlock, 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 2).
Average cloud cover in September
Winlock, WA
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Winlock, WA
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Winlock, Washington, USA
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