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
The beginning of September brings a minor change in the average high-temperature, shifting from a hot 91°F (32.8°C) in August to a moderately hot 84.4°F (29.1°C). Harts Place experiences an average low-temperature reading of 64.4°F (18°C) throughout September.Humidity
The average relative humidity in September in Harts Place is 23%.Rainfall
In Harts Place, in September, during 1.6 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, there are 41.5 rainfall days, and 4.69" (119mm) of precipitation is accumulated.Snowfall
March through October and December are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September in Harts Place, sunrise is at 6:24 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:36 pm PDT.
Sunshine
In Harts Place, the average sunshine in September is 10.9h.UV index
In Harts Place, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot is it in Harts Place in September?
What is the average humidity in September in Harts Place?
How much does it rain in Harts Place in September?
When it does not snow in Harts Place?
What is the average length of the day in September in Harts Place?
What time are sunrise and sunset in September in Harts Place?
How long on average sun shines in September in Harts Place?
What is the UV index reading in September in Harts Place?
Average temperature in September
Harts Place, CA
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (51.1°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (35.6°F).
Average pressure in September
Harts Place, CA
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Harts Place, CA
- Average wind speed in September: 7.2mph
The windiest months (with the highest average wind speed) are May and June (9.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in September
Harts Place, CA
- Average humidity in September: 23%
The month with the highest relative humidity is January (48%).
The month with the lowest relative humidity is August (20%).
Average rainfall in September
Harts Place, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Harts Place, CA
- Average rainfall days in September: 1.6 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.8 days).
Average snowfall in September
Harts Place, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (0.87").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Harts Place, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Harts Place, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).
Average sunshine days in September
Harts Place, CA
- Average sunshine days in September: 27.3 days
The month with the most sunshine days is June (28.4 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in September
Harts Place, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Harts Place, CA
- Average cloud cover in September: 4
The months with the most cloud cover are January and March (Cloud cover 18).
The months with the least cloud cover are August and September (Cloud cover 4).
Average visibility in September
Harts Place, 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).
Harts Place, California, USA
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