September weather forecast
Amboy, CA

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Weather in September

September, the first month of the autumn in Amboy, is also a hot month, with an average temperature ranging between max 90.3°F (32.4°C) and min 72.3°F (22.4°C).

Temperature

September is characterized by a slight reduction in average high-temperature, easing from a sweltering 97.2°F (36.2°C) in August to a hot 90.3°F (32.4°C). In September, the average low-temperature in Amboy records at an agreeable 72.3°F (22.4°C) during the nights.

Humidity

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

Rainfall

In Amboy, during September, the rain falls for 4.1 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, in Amboy, there are 42.3 rainfall days, and 4.45" (113mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

In September, the average length of the day in Amboy is 12h and 23min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:08 pm. On the last day of September, in Amboy, sunrise is at 6:37 am and sunset at 6:27 pm PDT.

Sunshine

The average sunshine in September in Amboy is 10.4h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

How hot does it get in Amboy in September?

The high-temperature, in September, in Amboy, records 90.3°F (32.4°C), while the low-temperature is 72.3°F (22.4°C).

What is the average humidity in September in Amboy?

In Amboy, the average relative humidity in September is 25%.

How much does it rain in Amboy in September?

In Amboy, in September, it is raining for 4.1 days, with typically 0.28" (7mm) of accumulated precipitation.

When it does not snow in Amboy?

January, March through December are months without snowfall in Amboy.

How many hours of daylight does Amboy have in September?

The average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Amboy?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:08 pm. On the last day of the month, in Amboy, sunrise is at 6:37 am and sunset at 6:27 pm PDT.

How many hours of sunshine does Amboy have in September?

In Amboy, California, the average sunshine duration in September is 10.4h.

What is the UV index intensity in September in Amboy?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Amboy, CA

Average temperature in September - Amboy, CA
  • Average high temperature in September: 90.3°F

The warmest month (with the highest average high temperature) is July (98.1°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in September: 72.3°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).

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Average pressure in September
Amboy, CA

Average pressure in September - Amboy, CA
  • Average pressure in September: 29.83"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).

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Average wind speed in September
Amboy, CA

Average wind speed in September - Amboy, CA
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest months (with the lowest average wind speed) are August and September (6.2mph).

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Average humidity in September
Amboy, CA

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

The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in September
Amboy, CA

Average rainfall in September - Amboy, CA
  • Average rainfall in September: 0.28"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in September
Amboy, CA

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

The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall in September
Amboy, CA

Average snowfall in September - Amboy, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Amboy, CA

Average snowfall days in September - Amboy, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Amboy, 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: 9h and 54min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in September
Amboy, CA

Average sunshine days in September - Amboy, CA
  • Average sunshine days in September: 24.3 days

The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is July (20.4 days).

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Average UV index in September
Amboy, CA

Average UV index in September - Amboy, CA
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in September
Amboy, CA

Average cloud cover in September - Amboy, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 4).

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Average visibility in September
Amboy, CA

Average visibility in September - Amboy, 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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Amboy, California, USA

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