Weather in September
Temperature
The advent of September reveals an average high-temperature of an enjoyable 67.5°F (19.7°C), showing minimal difference from the prior month. The low-temperature in Blakely Island averages to a frosty 49.5°F (9.7°C) during the nights of September.Rainfall
In Blakely Island, Washington, in September, during 8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Blakely Island, during the entire year, the rain falls for 135 days and collects up to 26.61" (676mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:52 pm. On the last day of September, in Blakely Island, sunrise is at 7:10 am and sunset at 6:51 pm PDT.
Frequently asked questions
What is the temperature in September in Blakely Island?
How many days does it rain in September in Blakely Island?
When it does not snow in Blakely Island?
What is the average length of the day in September in Blakely Island?
When is the sunrise / sunset in September in Blakely Island?
Average temperature in September
Blakely Island, WA
- Average high temperature in September: 67.5°F
The warmest months (with the highest average high temperature) are July and August (72.2°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 49.4°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average rainfall in September
Blakely Island, WA
- Average rainfall in September: 1.5"
The wettest months (with the highest rainfall) are November and December (3.8").
The driest month (with the least rainfall) is July (0.8").
Average rainfall days in September
Blakely Island, WA
- Average rainfall days in September: 8 days
The months with the highest number of rainy days are January, November and December (17 days).
The month with the least rainy days is July (4 days).
Average snowfall in September
Blakely Island, WA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average daylight in September
Blakely Island, WA
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
Blakely Island, Washington, USA
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