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 sea temperature 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
A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 73.8°F (23.2°C) in August to an enjoyable 67.8°F (19.9°C). In September, Hansville experiences a temperature dip to an average of 52.5°F (11.4°C) at night.Humidity
In Hansville, the average relative humidity in September is 76%.Rainfall
In Hansville, in September, during 6.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 106.5 rainfall days, and 9.09" (231mm) of precipitation is accumulated.Snowfall
In Hansville, snow does not fall in April through October.Ocean temperature
The months with the warmest seawater are August and September, with an average ocean temperature of 53.2°F (11.8°C).Note: It is advised against swimming in 53.2°F (11.8°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:50 pm PDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Hansville, Washington, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What are the months with the warmest ocean?
How cold is the water in September in Hansville?
How many hours of daylight does Hansville have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Hansville have in September?
What is the UV index reading in September?
Average temperature in September
Hansville, WA
- Average high temperature in September: 67.8°F
The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).
Average pressure in September
Hansville, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in September
Hansville, WA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are March and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Hansville, WA
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Hansville, WA
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is January (1.57").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Hansville, WA
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in September
Hansville, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Hansville, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Hansville, WA
- Average sea temperature in September: 53.1°F
The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in September /
Average sunshine in September
Hansville, WA
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Hansville, WA
- Average sunshine days in September: 21 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is November (15.5 days).
Average UV index in September
Hansville, WA
- Average UV index in September: 4
The months with the highest UV index are June and 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
Hansville, WA
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Hansville, WA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hansville, Washington, USA
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