September weather forecast and climate
Fort Thomas, AZ

Weather in September

The first month of the autumn, September, is also a hot month in Fort Thomas, Arizona, with temperature in the range of an average high of 86.7°F (30.4°C) and an average low of 66.9°F (19.4°C).

Temperature

In September, the average high-temperature slightly decreases, from a tropical 92.1°F (33.4°C) in August, to a still hot 86.7°F (30.4°C). In Fort Thomas, the average low-temperature is 66.9°F (19.4°C).

Heat index

The average heat index in September is evaluated at a tropical 86.5°F (30.3°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, pregnancy, wind, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity in Fort Thomas is 41%.

Rainfall

In Fort Thomas, in September, it is raining for 9 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, in Fort Thomas, there are 78.6 rainfall days, and 8.39" (213mm) of precipitation is accumulated.

Snowfall

In Fort Thomas snow does not fall in March through November.

Daylight

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

Sunshine

In Fort Thomas, the average sunshine is 10.4h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Fort Thomas?

In September, in Fort Thomas, Arizona, the average high-temperature is 86.7°F (30.4°C), and the average low-temperature is 66.9°F (19.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that factores the actual air temperature with the relative humidity, in September is appraised at 86.5°F (30.3°C).

What is the average humidity in September in Fort Thomas?

In September, the average relative humidity in Fort Thomas is 41%.

How much does it rain in Fort Thomas in September?

In September, in Fort Thomas, Arizona, the rain falls for 9 days. Throughout September, 0.79" (20mm) of precipitation is accumulated.

When it does not snow in Fort Thomas?

In Fort Thomas snow does not fall in March through November.

What is the average length of the day in September in Fort Thomas?

In September, the average length of the day in Fort Thomas, Arizona, is 12.4h.

How long on average sun shines in September in Fort Thomas?

The average sunshine in September in Fort Thomas is 10.4h.

What is the UV index reading in September in Fort Thomas?

The average daily maximum UV index in September in Fort Thomas is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Fort Thomas, AZ

Average temperature in September - Fort Thomas, AZ
  • Average high temperature in September: 86.7°F

The warmest month (with the highest average high temperature) is June (94.3°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in September: 66.9°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

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Average pressure in September
Fort Thomas, AZ

Average pressure in September - Fort Thomas, AZ
  • Average pressure in September: 29.94"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in September
Fort Thomas, AZ

Average wind speed in September - Fort Thomas, AZ
  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.4mph).

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Average humidity in September
Fort Thomas, AZ

Average humidity in September - Fort Thomas, AZ
  • Average humidity in September: 41%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in September
Fort Thomas, AZ

Average rainfall in September - Fort Thomas, AZ
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is May (0.12").

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Average rainfall days in September
Fort Thomas, AZ

Average rainfall days in September - Fort Thomas, AZ
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is May (2.7 days).

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Average snowfall in September
Fort Thomas, AZ

Average snowfall in September - Fort Thomas, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.31").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Fort Thomas, AZ

Average snowfall days in September - Fort Thomas, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.4 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Fort Thomas, AZ

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

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 10.4h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in September
Fort Thomas, AZ

Average sunshine days in September - Fort Thomas, AZ
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is May (27.3 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in September
Fort Thomas, AZ

Average UV index in September - Fort Thomas, AZ
  • Average UV index in September: 6

Months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Fort Thomas, AZ

Average cloud cover in September - Fort Thomas, AZ
  • Average cloud cover in September: 13

The month with the most cloud cover is December (Cloud cover 20).
Months with the least cloud cover are May and June (Cloud cover 8).

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Average visibility in September
Fort Thomas, AZ

Average visibility in September - Fort Thomas, 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).

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