September weather forecastGuler, WA
September
Weather in September
September, the first month of the autumn in Guler, is still a pleasant month, with an average temperature fluctuating between 47.7°F (8.7°C) and 69.1°F (20.6°C).Temperature
Guler's progression into September includes a drop in the average high-temperature, from a warm 78.6°F (25.9°C) in August to an agreeable 69.1°F (20.6°C). During September, Guler records a consistent average nighttime temperature of 47.7°F (8.7°C).Humidity
In September, the average relative humidity in Guler, Washington, is 65%.Rainfall
In Guler, during September, the rain falls for 8.2 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Guler, there are 152.5 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Guler, Washington, is 12h and 31min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:43 pm. On the last day of September, in Guler, sunrise is at 7:04 am and sunset at 6:47 pm PDT.
Sunshine
In September, the average sunshine is 10.2h.UV index
In Guler, Washington, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guler, WA
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in September: 47.7°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in September
Guler, WA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in September
Guler, WA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in September
Guler, WA
- Average humidity in September: 65%
The months with the highest relative humidity are January, February and December (88%).
The months with the lowest relative humidity are July and August (58%).
Average rainfall in September
Guler, WA
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is January (4.88").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Guler, WA
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in September
Guler, WA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Guler, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (6.5 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
Guler, WA
- Average daylight in September: 12h and 30min
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: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Guler, WA
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Guler, WA
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Guler, WA
- Average cloud cover in September: 27
The months with the most cloud cover are January and February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in September
Guler, WA
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
