September weather forecast and climate
Franconia, AZ

September, the first month of the autumn, in Franconia, is still a very hot month, with average temperature ranging between max 95.9°F (35.5°C) and min 79.2°F (26.2°C).

Temperature

In Franconia, the average high-temperature marginally drops, from a sweltering 101.8°F (38.8°C) in August, to a still very hot 95.9°F (35.5°C). The average low-temperature, in Franconia, is 79.2°F (26.2°C).

Humidity

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

Rainfall

In Franconia, Arizona, in September, it is raining for 5.5 days, with typically 0.63" (16mm) of accumulated precipitation. In Franconia, Arizona, during the entire year, the rain falls for 52.1 days and collects up to 6.26" (159mm) of precipitation.

Snowfall

In Franconia snow does not fall in January through November.

Daylight

The average length of the day in September is 12.4h.

Sunshine

In Franconia, the average sunshine in September is 10h.

UV index

In Franconia, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Franconia?

The average high-temperature, in September, in Franconia, is 95.9°F (35.5°C), while the average low-temperature is 79.2°F (26.2°C).

What is the average humidity in September in Franconia?

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

How much does it rain in Franconia in September?

In Franconia, during September, the rain falls for 5.5 days and regularly aggregates up to 0.63" (16mm) of precipitation.

When it does not snow in Franconia?

January through November are months without snowfall in Franconia, Arizona.

What is the average length of the day in September in Franconia?

In Franconia, the average length of the day in September is 12.4h.

How long on average sun shines in September in Franconia?

In Franconia, the average sunshine in September is 10h.

How high is the UV index in September in Franconia?

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Franconia, AZ
  • Average high temperature in September: 95.9°F

The warmest month (with the highest average high temperature) is July (102.7°F).
The month with the lowest average high temperature is December (60.1°F).

  • Average low temperature in September: 79.2°F

The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is December (46.6°F).

Average pressure in September - Franconia, AZ
  • Average pressure in September: 29.81"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.75").

Average wind speed in September - Franconia, AZ
  • Average wind speed in September: 6.7mph

The windiest months (with the highest average wind speed) are April and May (8.6mph).
The calmest month (with the lowest average wind speed) is November (6.5mph).

Average humidity in September - Franconia, AZ
  • Average humidity in September: 25%

The month with the highest relative humidity is January (40%).
The month with the lowest relative humidity is June (15%).

Average rainfall in September - Franconia, AZ
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in September - Franconia, AZ
  • Average rainfall days in September: 5.5 days

The month with the highest number of rainy days is July (9.3 days).
The month with the least rainy days is June (0.8 days).

Average snowfall days in September - Franconia, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September / Average sunshine in September - Franconia, AZ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 10h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

Average sunshine days in September - Franconia, AZ
  • Average sunshine days in September: 22.5 days

The month with the most sunshine days is June (28.7 days).
The month with the least sunshine days is August (18.7 days).

Average UV index in September - Franconia, AZ
  • Average UV index in September: 7

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 visibility in September - Franconia, AZ
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).