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
In Standish, the beginning of September is marked by a lowered average high-temperature, shifting from August's 83.5°F (28.6°C) to a still warm 74.3°F (23.5°C). Standish reports a significant contrast between daytime and nighttime temperatures, with an average low of 46.4°F (8°C) in September.Humidity
In Standish, the average relative humidity in September is 40%.Rainfall
In Standish, in September, during 4.5 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, there are 97.2 rainfall days, and 13.98" (355mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Standish. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 52.5 snowfall days, and 43.07" (1094mm) of snow is accumulated.Daylight
In September, the average length of the day in Standish is 12h and 26min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of September, in Standish, sunrise is at 6:57 am and sunset at 6:44 pm PDT.
Sunshine
The average sunshine in September is 11.3h.UV index
In Standish, the average daily maximum UV index in September is 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 during September translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are September temperatures in Standish?
What is the average humidity in September in Standish?
How many days does it rain in September in Standish?
When does it start to snow in Standish?
What is the average length of the day in September in Standish?
When is the sunrise / sunset in September in Standish?
How many hours of sunshine does Standish have in September?
How high is the UV index in September in Standish?
Average temperature in September
Standish, CA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in September: 46.4°F
The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).
Average pressure in September
Standish, CA
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Standish, CA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in September
Standish, CA
- Average humidity in September: 40%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in September
Standish, CA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is December (2.28").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Standish, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is March (13.4 days).
The months with the least rainy days are July and August (2.8 days).
Average snowfall in September
Standish, CA
- Average snowfall in September: 0.08"
The month with the highest snowfall is December (10.16").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Standish, CA
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Standish, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in September
Standish, CA
- Average sunshine days in September: 24.7 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (12 days).
Average UV index in September
Standish, CA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 1).
Average cloud cover in September
Standish, CA
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Standish, CA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Standish, California, USA
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