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 advent of September brings a subtle shift in temperature, with the average high moving from a tropical 91°F (32.8°C) in August to a moderately hot 84.4°F (29.1°C). Nighttime temperatures consistently average an enjoyable 64.4°F (18°C) during September.Humidity
In September, the average relative humidity is 23%.Rainfall
In Dunmovin, in September, it is raining for 1.6 days, with typically 0.08" (2mm) of accumulated precipitation. In Dunmovin, California, during the entire year, the rain falls for 41.5 days and collects up to 4.69" (119mm) of precipitation.Snowfall
In Dunmovin, California, snow does not fall in March through October and December.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, 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
The average sunshine in September is 10.9h.UV index
In Dunmovin, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September in Dunmovin?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Dunmovin have in September?
What is the UV index intensity in September?
Average temperature in September
Dunmovin, 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
Dunmovin, 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
Dunmovin, 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
Dunmovin, 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
Dunmovin, 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
Dunmovin, 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
Dunmovin, 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
Dunmovin, 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
Dunmovin, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
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
Dunmovin, 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
Dunmovin, 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
Dunmovin, 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
Dunmovin, 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).
Dunmovin, California, USA
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