September weather forecastKalaloch, WA
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Kalaloch, Washington, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 63.1°F (17.3°C).Temperature
With September's advent, Kalaloch sees an average high-temperature of a still refreshing 63.1°F (17.3°C), subtly shifted from August's 65.8°F (18.8°C). Kalaloch's average low-temperature during September nights is observed to be a cool 51.8°F (11°C).Humidity
In September, the average relative humidity is 81%.Rainfall
In Kalaloch, in September, during 11.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Kalaloch, during the entire year, the rain falls for 169.3 days and collects up to 37.83" (961mm) of precipitation.Snowfall
In Kalaloch, snow does not fall in April through November.Daylight
In Kalaloch, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:16 am and sunset at 6:57 pm PDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kalaloch, WA
- Average high temperature in September: 63.1°F
The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.1°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is February (38.7°F).
Average pressure in September
Kalaloch, WA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).
Average wind speed in September
Kalaloch, WA
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Kalaloch, WA
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (84%).
The month with the lowest relative humidity is May (80%).
Average rainfall in September
Kalaloch, WA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is January (6.89").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in September
Kalaloch, WA
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is November (19.4 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in September
Kalaloch, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Kalaloch, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 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
Kalaloch, WA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Kalaloch, WA
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is November (9.4 days).
Average UV index in September
Kalaloch, WA
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Kalaloch, WA
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Kalaloch, 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).
