September weather forecastGearhart, OR
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Gearhart, Oregon, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 63.5°F (17.5°C).Temperature
In September, Gearhart's weather conditions record an average high-temperature of a still refreshing 63.5°F (17.5°C), demonstrating little divergence from the preceding month. In Gearhart, an average temperature of 53.8°F (12.1°C) is noted during September nights.Humidity
The average relative humidity in September is 82%.Rainfall
In Gearhart, in September, during 11 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 185.6 rainfall days, and 39.8" (1011mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Gearhart.Ocean temperature
In Gearhart, in September, the average water temperature is 55.9°F (13.3°C).Note: While a brief time in 55.9°F (13.3°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:56 pm PDT.
Sunshine
In Gearhart, the average sunshine in September is 8.8h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gearhart, OR
- Average high temperature in September: 63.5°F
The warmest month (with the highest average high temperature) is August (65.5°F).
The month with the lowest average high temperature is December (46.6°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in September
Gearhart, OR
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed in September
Gearhart, OR
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Gearhart, OR
- Average humidity in September: 82%
The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are January, March, April, May, October and December (81%).
Average rainfall in September
Gearhart, OR
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is December (6.54").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in September
Gearhart, OR
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are July and August (7.3 days).
Average snowfall in September
Gearhart, OR
- 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
Gearhart, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Gearhart, OR
- Average sea temperature in September: 55.9°F
The best month for swimming (with the highest average sea temperature) is July (56.9°F).
The coldest month (with the lowest average sea temperature) is February (47.7°F).
Average daylight in September /
Average sunshine in September
Gearhart, OR
- 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: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
Gearhart, OR
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in September
Gearhart, OR
- 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 February, November and December (UV index 2).
Average cloud cover in September
Gearhart, OR
- Average cloud cover in September: 36
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Gearhart, OR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
