September weather forecast
Aladdin, WY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Aladdin, Wyoming, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 73.9°F (23.3°C).

Temperature

A subtle decrease in the average high-temperature marks September, falling from August's 83.1°F (28.4°C) to a still moderately hot 73.9°F (23.3°C). Throughout September, Aladdin encounters an average temperature drop to a fresh 53.6°F (12°C).

Humidity

The average relative humidity in September is 48%.

Rainfall

In Aladdin, during September, the rain falls for 7.9 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Aladdin, during the entire year, the rain falls for 100 days and collects up to 12.83" (326mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Aladdin, during the entire year, snow falls for 52.1 days and aggregates up to 23.54" (598mm) of snow.

Daylight

In Aladdin, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:20 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:38 pm MDT.

Sunshine

In September, the average sunshine is 10.5h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 4 during September leads to these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Aladdin in September?

Aladdin in September has an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 53.6°F (12°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 84.2°F (29°C).

What is the average humidity in September?

In Aladdin, the average relative humidity in September is 48%.

How much does it rain in September?

In Aladdin, in September, during 7.9 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

What is the average length of the day in September?

In September, the average day length is 12h and 30min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:20 am and sunset at 7:32 pm. On the last day of the month, in Aladdin, sunrise is at 6:54 am and sunset at 6:38 pm MDT.

How long on average sun shines in September?

The average sunshine duration in September is 10.5h.

What is the UV index intensity in September?

In September, the average daily maximum UV index in Aladdin is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Aladdin, WY

Average temperature in September - Aladdin, WY
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).

Average pressure in September
Aladdin, WY

Average pressure in September - Aladdin, WY
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in September
Aladdin, WY

Average wind speed in September - Aladdin, WY
  • Average wind speed in September: 9.1mph

The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in September
Aladdin, WY

Average humidity in September - Aladdin, WY
  • Average humidity in September: 48%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).

Average rainfall in September
Aladdin, WY

Average rainfall in September - Aladdin, WY
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in September
Aladdin, WY

Average rainfall days in September - Aladdin, WY
  • Average rainfall days in September: 7.9 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in September
Aladdin, WY

Average snowfall in September - Aladdin, WY
  • Average snowfall in September: 0.08"

The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Aladdin, WY

Average snowfall days in September - Aladdin, WY
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Aladdin, WY

Average daylight in September / Average sunshine in September - Aladdin, WY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 10h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in September
Aladdin, WY

Average sunshine days in September - Aladdin, WY
  • Average sunshine days in September: 19.4 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).

Average UV index in September
Aladdin, WY

Average UV index in September - Aladdin, WY
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Aladdin, WY

Average cloud cover in September - Aladdin, WY
  • Average cloud cover in September: 18

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in September
Aladdin, WY

Average visibility in September - Aladdin, WY
  • 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).

Aladdin, Wyoming, USA

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