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 the onset of September, San Simon's climate undergoes a slight change as the average high-temperature moves from a hot 89.2°F (31.8°C) in August to a warm 83.8°F (28.8°C). In San Simon, the nighttime temperature averages to a refreshing 64.6°F (18.1°C) during September.Heat index
In September, the heat index is evaluated at 84.2°F (29°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In San Simon, the average relative humidity in September is 46%.Rainfall
In September, the rain falls for 12.8 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. In San Simon, during the entire year, the rain falls for 92.5 days and collects up to 12.36" (314mm) of precipitation.Snowfall
In San Simon, snow does not fall in April through November.Daylight
In San Simon, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 5:52 am and sunset at 6:40 pm. On the last day of September, sunrise is at 6:10 am and sunset at 6:02 pm MST.
Sunshine
In San Simon, the average sunshine in September is 10.2h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 6 in September leads to these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does San Simon have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
San Simon, AZ
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is June (92.1°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
San Simon, AZ
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
San Simon, AZ
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
San Simon, AZ
- Average humidity in September: 46%
The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is June (21%).
Average rainfall in September
San Simon, AZ
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is May (0.08").
Average rainfall days in September
San Simon, AZ
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is May (2.6 days).
Average snowfall in September
San Simon, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
San Simon, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
San Simon, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 10h and 1min
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 54min).
Average sunshine days in September
San Simon, AZ
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (27.4 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in September
San Simon, AZ
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
San Simon, AZ
- Average cloud cover in September: 15
The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 8).
Average visibility in September
San Simon, 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 Simon, Arizona, USA
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