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
September implies a soft temperature shift, with average high-temperatures reducing from August's tropical 86.5°F (30.3°C) to a moderately hot 81°F (27.2°C). A notable decrease from the day's highest temperature marks September, culminating in an average low of 54.7°F (12.6°C).Humidity
In September, the average relative humidity is 35%.Rainfall
In September, the rain falls for 3 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. Throughout the year, in Mariposa, California, there are 73.5 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Mariposa is 12h and 25min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:28 pm. On the last day of September, in Mariposa, sunrise is at 6:55 am and sunset at 6:43 pm PDT.
Sunshine
In Mariposa, the average sunshine in September is 11.2h.UV index
In September, the average daily maximum UV index in Mariposa is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the temperature in September in Mariposa?
What is the average humidity in September in Mariposa?
How much does it rain in Mariposa in September?
When it does not snow in Mariposa?
How many hours of daylight does Mariposa have in September?
When is the sunrise / sunset in September in Mariposa?
How long on average sun shines in September in Mariposa?
What is the UV index reading in September in Mariposa?
Average temperature in September
Mariposa, CA
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is December (48.9°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest months (with the lowest average low temperature) are February and December (32.9°F).
Average pressure in September
Mariposa, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Mariposa, CA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest months (with the lowest average wind speed) are November and December (4.3mph).
Average humidity in September
Mariposa, CA
- Average humidity in September: 35%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in September
Mariposa, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is August (0.12").
Average rainfall days in September
Mariposa, CA
- Average rainfall days in September: 3 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in September
Mariposa, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Mariposa, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 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
Mariposa, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Mariposa, CA
- Average sunshine days in September: 25.2 days
The months with the most sunshine days are August and October (26.5 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in September
Mariposa, CA
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in September
Mariposa, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Mariposa, CA
- 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).
Mariposa, California, USA
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