September weather forecast
Rocky Point, AZ

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Weather in September

The first month of the autumn, September, is also a fiery hot month in Rocky Point, Arizona, with temperature in the range of an average high of 96.3°F (35.7°C) and an average low of 79.5°F (26.4°C).

Temperature

The beginning of September records an average high-temperature of a still sweltering 96.3°F (35.7°C), marking a negligible difference from August's 101.5°F (38.6°C). Rocky Point encounters a steady low-temperature average of 79.5°F (26.4°C) throughout the month of September.

Humidity

In Rocky Point, the average relative humidity in September is 31%.

Rainfall

In Rocky Point, Arizona, during September, the rain falls for 8.2 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Rocky Point, during the entire year, the rain falls for 58 days and collects up to 6.69" (170mm) of precipitation.

Daylight

In Rocky Point, the average length of the day in September is 12h and 21min.
On the first day of September, sunrise is at 6:06 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 6:16 pm MST.

Sunshine

The average sunshine in September is 9.7h.

UV index

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

The high-temperature, in September, in Rocky Point, records 96.3°F (35.7°C), while the low-temperature is 79.5°F (26.4°C).

What is the average humidity in September?

The average relative humidity in September is 31%.

How much does it rain in September?

In Rocky Point, in September, during 8.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

How many hours of daylight does Rocky Point have in September?

In September, the average day length is 12h and 21min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:06 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 6:16 pm MST.

How long on average sun shines in September?

In September, the average sunshine duration in Rocky Point is 9.7h.

What is the UV index reading in September?

In Rocky Point, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rocky Point, AZ

Average temperature in September - Rocky Point, AZ
  • Average high temperature in September: 96.3°F

The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in September: 79.5°F

The month with the highest average low temperature is August (85.3°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).

Average pressure in September
Rocky Point, AZ

Average pressure in September - Rocky Point, AZ
  • Average pressure in September: 29.81"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

Average wind speed in September
Rocky Point, AZ

Average wind speed in September - Rocky Point, AZ
  • Average wind speed in September: 6.6mph

The windiest months (with the highest average wind speed) are May and June (8.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).

Average humidity in September
Rocky Point, AZ

Average humidity in September - Rocky Point, AZ
  • Average humidity in September: 31%

The month with the highest relative humidity is December (42%).
The month with the lowest relative humidity is June (17%).

Average rainfall in September
Rocky Point, AZ

Average rainfall in September - Rocky Point, AZ
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is July (1.5").
The driest months (with the least rainfall) are April, May and June (0.08").

Average rainfall days in September
Rocky Point, AZ

Average rainfall days in September - Rocky Point, AZ
  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is May (1.3 days).

Average daylight in September /
Average sunshine in September
Rocky Point, AZ

Average daylight in September / Average sunshine in September - Rocky Point, AZ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in September
Rocky Point, AZ

Average sunshine days in September - Rocky Point, AZ
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (13.4 days).

Average UV index in September
Rocky Point, AZ

Average UV index in September - Rocky Point, AZ
  • Average UV index in September: 7

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

Average cloud cover in September
Rocky Point, AZ

Average cloud cover in September - Rocky Point, AZ
  • Average cloud cover in September: 11

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in September
Rocky Point, AZ

Average visibility in September - Rocky Point, AZ
  • 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).

Rocky Point, Arizona, USA

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