September weather forecast
Mesaville, CA

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Weather in September

The first month of the autumn, September, is also a sweltering month in Mesaville, California, with an average temperature fluctuating between 97.7°F (36.5°C) and 79.9°F (26.6°C).

Temperature

The arrival of September signals a subtle shift in temperature, down from a blisteringly hot 104.2°F (40.1°C) in August to a very hot 97.7°F (36.5°C). In September, Mesaville reports a consistent average low-temperature of 79.9°F (26.6°C) during the nights.

Humidity

The average relative humidity in September is 25%.

Rainfall

In Mesaville, in September, during 4.1 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Mesaville, during the entire year, the rain falls for 34.2 days and collects up to 2.99" (76mm) of precipitation.

Daylight

The average length of the day in September in Mesaville is 12h and 22min.
On the first day of September in Mesaville, California, sunrise is at 6:13 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 6:23 pm PDT.

Sunshine

In Mesaville, California, the average sunshine in September is 10.1h.

UV index

The average daily maximum UV index in September in Mesaville is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 8 translates into the following recommendations:
Be vigilant. Without due care, eyes and skin can be harmed in no time. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

How hot is it in Mesaville in September?

During September, Mesaville experiences an average high-temperature of 97.7°F (36.5°C) and a low-temperature of 79.9°F (26.6°C).

What is the average humidity in September in Mesaville?

The average relative humidity in September in Mesaville is 25%.

How many days does it rain in September in Mesaville?

In September, the rain falls for 4.1 days. Throughout September, 0.31" (8mm) of precipitation is accumulated.

How many hours of daylight does Mesaville have in September?

In Mesaville, California, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September in Mesaville?

In September, on the first day of the month, sunrise is at 6:13 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 6:23 pm PDT.

How many hours of sunshine does Mesaville have in September?

In Mesaville, California, the average sunshine duration in September is 10.1h.

What is the UV index reading in September in Mesaville?

In Mesaville, the average daily maximum UV index in September is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mesaville, CA

Average temperature in September - Mesaville, CA
  • Average high temperature in September: 97.7°F

The warmest month (with the highest average high temperature) is July (105.1°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in September: 79.9°F

The month with the highest average low temperature is August (86.2°F).
The coldest month (with the lowest average low temperature) is December (48.2°F).

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Average pressure in September
Mesaville, CA

Average pressure in September - Mesaville, CA
  • Average pressure in September: 29.79"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

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Average wind speed in September
Mesaville, CA

Average wind speed in September - Mesaville, CA
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is November (6.4mph).

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Average humidity in September
Mesaville, CA

Average humidity in September - Mesaville, CA
  • Average humidity in September: 25%

The months with the highest relative humidity are January and December (38%).
The month with the lowest relative humidity is June (18%).

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Average rainfall in September
Mesaville, CA

Average rainfall in September - Mesaville, CA
  • Average rainfall in September: 0.31"

The wettest month (with the highest rainfall) is July (0.55").
The driest months (with the least rainfall) are May and June (0.04").

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Average rainfall days in September
Mesaville, CA

Average rainfall days in September - Mesaville, CA
  • Average rainfall days in September: 4.1 days

The month with the highest number of rainy days is July (7.3 days).
The month with the least rainy days is May (1.2 days).

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Average daylight in September /
Average sunshine in September
Mesaville, CA

Average daylight in September / Average sunshine in September - Mesaville, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 10h and 1min

The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 12min).

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Average sunshine days in September
Mesaville, CA

Average sunshine days in September - Mesaville, CA
  • Average sunshine days in September: 22.5 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (19.1 days).

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Average UV index in September
Mesaville, CA

Average UV index in September - Mesaville, CA
  • Average UV index in September: 8

The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Mesaville, CA

Average cloud cover in September - Mesaville, CA
  • Average cloud cover in September: 8

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Mesaville, CA

Average visibility in September - Mesaville, 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).

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Mesaville, California, USA

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