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 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
The month of September sees the highest average temperatures, reaching 75.7°F (24.3°C) at the peak and 56.5°F (13.6°C) at the low.Humidity
In San Pablo, California, the average relative humidity in September is 66%.Rainfall
The months with the least rainfall in San Pablo are June through September Rain falls for 2.5 days and accumulates 0.08" (2mm) of rain.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:53 pm PDT.
Sunshine
The average sunshine in September in San Pablo is 10.8h.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What time of the year is the hottest in San Pablo?
What are September temperatures in San Pablo?
What is the average humidity in September in San Pablo?
What is the driest month in San Pablo?
How many days does it rain in September in San Pablo?
How many hours of daylight does San Pablo have in September?
When are sunrise and sunset in September in San Pablo?
How long on average sun shines in September in San Pablo?
When is the highest UV index in San Pablo?
What is the UV index intensity in September in San Pablo?
Average temperature in September
San Pablo, CA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is September (75.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).
Average pressure in September
San Pablo, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in September
San Pablo, CA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is May (7.5mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).
Average humidity in September
San Pablo, CA
- Average humidity in September: 66%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
San Pablo, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in September
San Pablo, CA
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (2 days).
Average daylight in September /
Average sunshine in September
San Pablo, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
San Pablo, CA
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in September
San Pablo, CA
- Average UV index in September: 5
The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
San Pablo, CA
- Average cloud cover in September: 15
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
San Pablo, 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).
San Pablo, California, USA
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