Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's arrival, San Manuel's weather records an average high-temperature of a still hot 86.9°F (30.5°C), marking little difference from August's 91.4°F (33°C). An average low-temperature of 67.6°F (19.8°C) is observed during September nights in San Manuel.Heat index
The heat index in September is computed to be a hot 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In September, the average relative humidity in San Manuel, Arizona, is 42%.Rainfall
In San Manuel, Arizona, during September, the rain falls for 9 days and regularly aggregates up to 1.22" (31mm) of precipitation. In San Manuel, Arizona, during the entire year, the rain falls for 76 days and collects up to 10.39" (264mm) of precipitation.Snowfall
In San Manuel, Arizona, snow does not fall in March through October.Daylight
In San Manuel, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 5:57 am and sunset at 6:46 pm. On the last day of September, sunrise is at 6:16 am and sunset at 6:08 pm MST.
Sunshine
In September, the average sunshine in San Manuel is 9.9h.UV index
In San Manuel, Arizona, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in San Manuel in September?
What is the average humidity in September in San Manuel?
How many days does it rain in September in San Manuel?
When it does not snow in San Manuel?
What is the average length of the day in September in San Manuel?
When are sunrise and sunset in September in San Manuel?
How many hours of sunshine does San Manuel have in September?
What is the UV index reading in September in San Manuel?
Average temperature in September
San Manuel, AZ
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is June (94.1°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (73.9°F).
The coldest months (with the lowest average low temperature) are January and December (39.6°F).
Average pressure in September
San Manuel, AZ
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
San Manuel, AZ
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is May (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
San Manuel, AZ
- Average humidity in September: 42%
The month with the highest relative humidity is December (50%).
The month with the lowest relative humidity is June (21%).
Average rainfall in September
San Manuel, AZ
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in September
San Manuel, AZ
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is May (2.8 days).
Average snowfall in September
San Manuel, AZ
- Average snowfall in September: 0"
The months with the highest snowfall are February and November (1.1").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
San Manuel, AZ
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
San Manuel, 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 0min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
San Manuel, AZ
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is May (27.5 days).
The month with the least sunshine days is July (16.1 days).
Average UV index in September
San Manuel, AZ
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
San Manuel, AZ
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in September
San Manuel, 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).
San Manuel, Arizona, USA
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