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
Connell observes a minor decrease in the average high-temperature with the arrival of September, falling from August's tropical 88.3°F (31.3°C) to a moderately hot 77.4°F (25.2°C). An average low-temperature of 56.3°F (13.5°C) is common in Connell, Washington, during the nights of September.Humidity
In Connell, Washington, the average relative humidity in September is 43%.Rainfall
In Connell, in September, it is raining for 4.5 days, with typically 0.24" (6mm) of accumulated precipitation. In Connell, during the entire year, the rain falls for 97 days and collects up to 7.36" (187mm) of precipitation.Snowfall
Months with snowfall are January through March, September, November and December. September is the first month it typically snows in Connell. Throughout September, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. In Connell, during the entire year, snow falls for 14.2 days and aggregates up to 5.43" (138mm) of snow.Daylight
In September, the average length of the day in Connell is 12h and 32min.On the first day of September in Connell, sunrise is at 6:16 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:36 pm PDT.
Sunshine
In Connell, the average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the average September temperature in Connell?
What is the average humidity in September in Connell?
How many days does it rain in September in Connell?
When does it start snowing in Connell?
What is the average length of the day in September in Connell?
When are sunrise and sunset in September in Connell?
How long on average sun shines in September in Connell?
What is the UV index reading in September in Connell?
Average temperature in September
Connell, WA
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in September
Connell, WA
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in September
Connell, WA
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in September
Connell, WA
- Average humidity in September: 43%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in September
Connell, WA
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is January (0.94").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in September
Connell, WA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in September
Connell, WA
- Average snowfall in September: 0.2"
The month with the highest snowfall is February (1.97").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in September
Connell, WA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Connell, 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 36min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Connell, WA
- Average sunshine days in September: 24.1 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in September
Connell, WA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Connell, WA
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in September
Connell, WA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Connell, Washington, USA
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