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
In September, the average high-temperature registers at a warm 84.7°F (29.3°C), nearly identical to August's 86.5°F (30.3°C). Pittsburg endures a clear shift from daytime heat to a mean low-temperature of 57.7°F (14.3°C) during September nights.Heat index
The heat index value during September is evaluated at a hot 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The least humid month is September, with an average relative humidity of 53%.Rainfall
In Pittsburg, during September, the rain falls for 2.1 days and regularly aggregates up to 0.08" (2mm) of precipitation. In Pittsburg, during the entire year, the rain falls for 66.9 days and collects up to 10.39" (264mm) of precipitation.Daylight
In Pittsburg, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:36 pm. On the last day of September, in Pittsburg, sunrise is at 7:03 am and sunset at 6:51 pm PDT.
Sunshine
In September, the average sunshine is 11.2h.UV index
In September, the average daily maximum UV index in Pittsburg, California, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
Is it hot in Pittsburg during September?
What is the least humid month in Pittsburg?
What is the average humidity in September in Pittsburg?
How much does it rain in Pittsburg in September?
What is the average length of the day in September in Pittsburg?
When are sunrise and sunset in September in Pittsburg?
How many hours of sunshine does Pittsburg have in September?
How high is the UV index in September in Pittsburg?
Average temperature in September
Pittsburg, CA
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in September: 57.7°F
The months with the highest average low temperature are August and September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in September
Pittsburg, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Pittsburg, CA
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are May and June (7.6mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in September
Pittsburg, CA
- Average humidity in September: 53%
The months with the highest relative humidity are January and March (73%).
The month with the lowest relative humidity is September (53%).
Average rainfall in September
Pittsburg, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is February (2.01").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Pittsburg, CA
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (0.9 days).
Average daylight in September /
Average sunshine in September
Pittsburg, 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: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Pittsburg, CA
- Average sunshine days in September: 27.5 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in September
Pittsburg, 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 January, February, November and December (UV index 3).
Average cloud cover in September
Pittsburg, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Pittsburg, 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).
Pittsburg, California, USA
Weather forecast for your location
2. Allow the app to use your location
