September weather forecastBromela, CA
September
Weather in September
September, the first month of the autumn in Bromela, is still a warm month, with an average temperature ranging between min 59.9°F (15.5°C) and max 77.4°F (25.2°C).Temperature
September, recognised by an average high temperature of 77.4°F (25.2°C) and a low of 59.9°F (15.5°C), is Bromela's warmest month.Humidity
In September, the average relative humidity is 63%.Rainfall
In Bromela, California, in September, it is raining for 2 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, in Bromela, there are 43.4 rainfall days, and 6.02" (153mm) of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:47 pm PDT.
Sunshine
The average sunshine in September is 11.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bromela, CA
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (61.5°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).
Average pressure in September
Bromela, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in September
Bromela, CA
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest months (with the lowest average wind speed) are July and November (6.8mph).
Average humidity in September
Bromela, CA
- Average humidity in September: 63%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are October and November (61%).
Average rainfall in September
Bromela, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is March (1.34").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in September
Bromela, CA
- Average rainfall days in September: 2 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (0.8 days).
Average daylight in September /
Average sunshine in September
Bromela, CA
- Average daylight in September: 12h and 24min
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: 11h and 12min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Bromela, CA
- Average sunshine days in September: 27.9 days
The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is February (21.2 days).
Average UV index in September
Bromela, CA
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Bromela, CA
- Average cloud cover in September: 8
The months with the most cloud cover are February and March (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 8).
Average visibility in September
Bromela, 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).





