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
Observing a mild shift, the average high-temperature during September reduces from August's warm 76.6°F (24.8°C) to a comfortable 67.5°F (19.7°C). In Saint Martins Hot Springs, the expected average low-temperature for September is a frosty 46.2°F (7.9°C).Humidity
In Saint Martins Hot Springs, the average relative humidity in September is 71%.Rainfall
In Saint Martins Hot Springs, in September, during 10.6 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Saint Martins Hot Springs, during the entire year, the rain falls for 181 days and collects up to 43.15" (1096mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Saint Martins Hot Springs, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:29 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:48 pm PDT.
Sunshine
In Saint Martins Hot Springs, the average sunshine in September is 9h.UV index
In Saint Martins Hot Springs, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the usual temperature for Saint Martins Hot Springs in September?
What is the average humidity in September in Saint Martins Hot Springs?
How many days does it rain in September in Saint Martins Hot Springs?
When it does not snow in Saint Martins Hot Springs?
What is the average length of the day in September in Saint Martins Hot Springs?
What time are sunrise and sunset in September in Saint Martins Hot Springs?
How long on average sun shines in September in Saint Martins Hot Springs?
What is the UV index intensity in September in Saint Martins Hot Springs?
Average temperature in September
Saint Martins Hot Springs, WA
- Average high temperature in September: 67.5°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in September: 46.2°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).
Average pressure in September
Saint Martins Hot Springs, WA
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in September
Saint Martins Hot Springs, WA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Saint Martins Hot Springs, WA
- Average humidity in September: 71%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in September
Saint Martins Hot Springs, WA
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is January (7.48").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in September
Saint Martins Hot Springs, WA
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (5 days).
Average snowfall in September
Saint Martins Hot Springs, WA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Saint Martins Hot Springs, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 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
Saint Martins Hot Springs, WA
- Average daylight in September: 12h and 3min
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: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Saint Martins Hot Springs, WA
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in September
Saint Martins Hot Springs, WA
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Saint Martins Hot Springs, WA
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Saint Martins Hot Springs, WA
- Average visibility in September: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Saint Martins Hot Springs, Washington, USA
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