September weather forecastPiru, CA
September
Weather in September
September, the first month of the autumn in Piru, is still a warm month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 59.7°F (15.4°C).Temperature
Piru's September showcases an average high-temperature of a still warm 81.1°F (27.3°C), hardly distinct from August's 84.2°F (29°C). Throughout the month of September, Piru sees a steady low-temperature average of 59.7°F (15.4°C).Heat index
The heat index value during September is calculated to be 82.4°F (28°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity in Piru is 49%.Rainfall
In Piru, in September, it is raining for 2.4 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, there are 52.1 rainfall days, and 9.02" (229mm) of precipitation is accumulated.Snowfall
January, February, April through December are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:20 pm. On the last day of September, in Piru, sunrise is at 6:49 am and sunset at 6:40 pm PDT.
Sunshine
In September, the average sunshine in Piru is 10.9h.UV index
In Piru, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Piru, CA
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in September
Piru, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Piru, CA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is December (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Piru, CA
- Average humidity in September: 49%
The month with the highest relative humidity is March (60%).
The months with the lowest relative humidity are October and November (47%).
Average rainfall in September
Piru, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is February (1.85").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Piru, CA
- Average rainfall days in September: 2.4 days
The month with the highest number of rainy days is March (8.3 days).
The months with the least rainy days are June and August (1.2 days).
Average snowfall days in September
Piru, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (0.1 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Piru, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 54min
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 36min).
Average sunshine days in September
Piru, CA
- Average sunshine days in September: 26.1 days
The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (21 days).
Average UV index in September
Piru, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in September
Piru, CA
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Piru, 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).
