September weather forecast
Maxwell, CA

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Weather in September

The first month of the autumn, September, is still a hot month in Maxwell, California, with an average temperature varying between 89.6°F (32°C) and 60.4°F (15.8°C).

Temperature

The onset of September is marked by a minor decrease in temperature, transitioning from a fiery hot 95.5°F (35.3°C) in August to a tropical 89.6°F (32°C). Despite drastic daily temperature oscillations, Maxwell cools down to an average low-temperature of 60.4°F (15.8°C) in September.

Humidity

With an average relative humidity of 37%, September is the least humid month.

Rainfall

In Maxwell, California, 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

In Maxwell, California, snow does not fall in January through November.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:38 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:52 pm PDT.

Sunshine

In September, the average sunshine is 11.2h.

UV index

In Maxwell, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The high-temperature, in September, in Maxwell, records 89.6°F (32°C), while the low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in June is computed to be 89.6°F (32°C).

What is the least humid month?

The least humid month is September, with an average relative humidity of 37%.

What is the average humidity in September?

The average relative humidity in September in Maxwell is 37%.

How many days does it rain in September?

In Maxwell, during September, the rain falls for 1.8 days and regularly aggregates up to 0.08" (2mm) of precipitation.

When it does not snow?

In Maxwell, snow does not fall in January through November.

How many hours of daylight does Maxwell have in September?

The average day length in September is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:38 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:52 pm PDT.

How long on average sun shines in September?

The average sunshine duration in September is 11.2h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Maxwell, CA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Maxwell, 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 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 - 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 - 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 - 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 - 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).

Maxwell, California, USA

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