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 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 Dunnigan, entering September brings a subtle temperature decrement, reducing from August's sweltering 95.9°F (35.5°C) to a hot 89.8°F (32.1°C). In Dunnigan, the nighttime temperature registers a significant drop from daytime peaks to an average of 59.9°F (15.5°C) in September.Humidity
September is the least humid month in Dunnigan, with an average relative humidity of 38%.Rainfall
In Dunnigan, California, in September, it is raining for 1.6 days, with typically 0.12" (3mm) of accumulated precipitation. Throughout the year, there are 70.9 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
In Dunnigan, snow does not fall in January, March through December.Daylight
In Dunnigan, the average length of the day in September is 12h and 25min.On the first day of September in Dunnigan, sunrise is at 6:37 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm PDT.
Sunshine
In Dunnigan, California, the average sunshine in September is 11.2h.UV index
In Dunnigan, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Dunnigan in September?
What is the least humid month in Dunnigan?
What is the average humidity in September in Dunnigan?
How many days does it rain in September in Dunnigan?
When it does not snow in Dunnigan?
What is the average length of the day in September in Dunnigan?
What time are sunrise and sunset in September in Dunnigan?
How many hours of sunshine does Dunnigan have in September?
How high is the UV index in September in Dunnigan?
Average temperature in September
Dunnigan, CA
- Average high temperature in September: 89.8°F
The warmest month (with the highest average high temperature) is July (97.2°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (41.7°F).
Average pressure in September
Dunnigan, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Dunnigan, CA
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are February and March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Dunnigan, CA
- Average humidity in September: 38%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is September (38%).
Average rainfall in September
Dunnigan, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is February (2.44").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Dunnigan, CA
- Average rainfall days in September: 1.6 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is July (0.8 days).
Average snowfall days in September
Dunnigan, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Dunnigan, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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 42min).
Average sunshine days in September
Dunnigan, CA
- Average sunshine days in September: 28 days
The months with the most sunshine days are July and August (29.6 days).
The month with the least sunshine days is March (17.2 days).
Average UV index in September
Dunnigan, CA
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Dunnigan, CA
- Average cloud cover in September: 8
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Dunnigan, 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).
Dunnigan, California, USA
Weather forecast for your location
2. Allow the app to use your location