September weather forecast
Cochise, AZ

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Weather in September

September, the first month of the autumn in Cochise, is still a warm month, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 83.8°F (28.8°C).

Temperature

September signals a slight drop in average high-temperature, sliding from August's hot 89.2°F (31.8°C) to a moderately hot 83.8°F (28.8°C). Cochise's nights in September experience an average temperature drop to a comfortable 64.6°F (18.1°C).

Heat index

During September, the heat index is estimated at 84.2°F (29°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In September, the average relative humidity is 46%.

Rainfall

In Cochise, in September, during 12.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Cochise, during the entire year, the rain falls for 92.5 days and collects up to 12.36" (314mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Cochise, the average length of the day in September is 12h and 21min.
On the first day of September, sunrise is at 5:55 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:05 pm MST.

Sunshine

In Cochise, the average sunshine in September is 10.2h.

UV index

In September, the average daily maximum UV index in Cochise, Arizona, is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The average high-temperature and low-temperature during September are 83.8°F (28.8°C) and 64.6°F (18.1°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in September?

The average relative humidity in September is 46%.

How many days does it rain in September?

In Cochise, in September, during 12.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall in Cochise.

What is the average length of the day in September?

The average day length in September is 12h and 21min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 5:55 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:05 pm MST.

How many hours of sunshine does Cochise have in September?

The average sunshine duration in September is 10.2h.

How high is the UV index in September?

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Cochise, AZ

Average temperature in September - Cochise, 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
Cochise, AZ

Average pressure in September - Cochise, 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
Cochise, AZ

Average wind speed in September - Cochise, 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
Cochise, AZ

Average humidity in September - Cochise, 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
Cochise, AZ

Average rainfall in September - Cochise, 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
Cochise, AZ

Average rainfall days in September - Cochise, 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
Cochise, AZ

Average snowfall in September - Cochise, 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
Cochise, AZ

Average snowfall days in September - Cochise, 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
Cochise, AZ

Average daylight in September / Average sunshine in September - Cochise, 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
Cochise, AZ

Average sunshine days in September - Cochise, 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
Cochise, AZ

Average UV index in September - Cochise, 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
Cochise, AZ

Average cloud cover in September - Cochise, 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
Cochise, AZ

Average visibility in September - Cochise, 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).

Cochise, Arizona, USA

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