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
September welcomes an average high-temperature of a still warm 80.4°F (26.9°C), not much different from the preceding month. September witnesses an average nighttime temperature of 63.7°F (17.6°C).Humidity
In September, the average relative humidity in Rancho Peñasquitos, California, is 64%.Rainfall
In September, the rain falls for 2.4 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. In Rancho Peñasquitos, during the entire year, the rain falls for 41.9 days and collects up to 3.35" (85mm) of precipitation.Daylight
The average length of the day in September in Rancho Peñasquitos is 12h and 22min.On the first day of September, sunrise is at 6:23 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:33 pm PDT.
Sunshine
The average sunshine in September in Rancho Peñasquitos, California, is 10.3h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during September translates into the following guidance:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What are September temperatures in Rancho Peñasquitos?
What is the average humidity in September in Rancho Peñasquitos?
How much does it rain in Rancho Peñasquitos in September?
What is the average length of the day in September in Rancho Peñasquitos?
When are sunrise and sunset in September in Rancho Peñasquitos?
How long on average sun shines in September in Rancho Peñasquitos?
What is the month with the highest UV index in Rancho Peñasquitos?
What is the UV index reading in September in Rancho Peñasquitos?
Average temperature in September
Rancho Peñasquitos, CA
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in September
Rancho Peñasquitos, CA
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Rancho Peñasquitos, CA
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in September
Rancho Peñasquitos, CA
- Average humidity in September: 64%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in September
Rancho Peñasquitos, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is December (0.63").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Rancho Peñasquitos, CA
- Average rainfall days in September: 2.4 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight in September /
Average sunshine in September
Rancho Peñasquitos, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days in September
Rancho Peñasquitos, CA
- Average sunshine days in September: 25.5 days
The month with the most sunshine days is October (26.1 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in September
Rancho Peñasquitos, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Rancho Peñasquitos, CA
- Average cloud cover in September: 10
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Rancho Peñasquitos, 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).
Rancho Peñasquitos, California, USA
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