September weather forecastMaxwell, CA
September
Weather in September
The first month of the autumn, September, is still a tropical month in Maxwell, California, with an average temperature fluctuating between 60.4°F (15.8°C) and 89.6°F (32°C).Temperature
September indicates a minor shift in the average high-temperature, from August's torrid 95.5°F (35.3°C) to a hot 89.6°F (32°C). Nightly readings in September display a noticeable downturn from daily highs, with the average low-temperature registering a refreshing 60.4°F (15.8°C).Humidity
September is the least humid month, with an average relative humidity of 37%.Rainfall
In Maxwell, during September, the rain falls for 1.8 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, there are 76.6 rainfall days, and 13.11" (333mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall.Daylight
In Maxwell, California, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:52 pm PDT.
Sunshine
The average sunshine in September is 11.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Maxwell, CA
- Average high temperature in September: 89.6°F
The warmest month (with the highest average high temperature) is July (97°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in September
Maxwell, 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
Maxwell, CA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Maxwell, CA
- Average humidity in September: 37%
The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (37%).
Average rainfall in September
Maxwell, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in September
Maxwell, CA
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (0.9 days).
Average snowfall in September
Maxwell, CA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Maxwell, CA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February, March and December (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Maxwell, CA
- Average daylight in September: 12h and 24min
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 12min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Maxwell, CA
- Average sunshine days in September: 27.5 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (16.5 days).
Average UV index in September
Maxwell, CA
- Average UV index in September: 5
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
Maxwell, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Maxwell, 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).
