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
Carrolls's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 78.1°F (25.6°C) to an agreeable 70.7°F (21.5°C). Carrolls reports a significant contrast between daytime and nighttime temperatures, with an average low of 47.8°F (8.8°C) in September.Humidity
The average relative humidity in September is 77%.Rainfall
In Carrolls, in September, it is raining for 12.1 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 190.2 rainfall days, and 42.48" (1079mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Carrolls, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:49 pm. On the last day of September, in Carrolls, sunrise is at 7:09 am and sunset at 6:52 pm PDT.
Sunshine
In Carrolls, the average sunshine in September is 8.4h.UV index
In Carrolls, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard 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. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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 many days does it rain in September?
When it does not snow?
How many hours of daylight does Carrolls have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Carrolls have in September?
What is the UV index reading in September?
Average temperature in September
Carrolls, WA
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (42.1°F).
- Average low temperature in September: 47.8°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (32.5°F).
Average pressure in September
Carrolls, 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
Carrolls, WA
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in September
Carrolls, WA
- Average humidity in September: 77%
The months with the highest relative humidity are February and November (88%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in September
Carrolls, WA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is January (6.34").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in September
Carrolls, WA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is March (21.6 days).
The month with the least rainy days is July (6.7 days).
Average snowfall in September
Carrolls, WA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Carrolls, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Carrolls, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
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 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in September
Carrolls, WA
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Carrolls, WA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Carrolls, WA
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Carrolls, WA
- Average visibility in September: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Carrolls, Washington, USA
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