September weather forecast
Hawk Springs, WY

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Weather in September

September, the first month of the autumn in Hawk Springs, is also a moderately hot month, with an average temperature fluctuating between 54.5°F (12.5°C) and 78.6°F (25.9°C).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from a tropical 86.5°F (30.3°C) in August to a moderately hot 78.6°F (25.9°C). Hawk Springs registers a pronounced decline from daytime peak temperatures, averaging a cool 54.5°F (12.5°C) lows in September.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 44%.

Rainfall

In Hawk Springs, during September, the rain falls for 8.3 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 110.8 rainfall days, and 12.87" (327mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 42.1 snowfall days, and 20.75" (527mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:39 pm MDT.

Sunshine

The average sunshine in September is 10.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Around midday, solar radiation is most harmful; hence, exposure should be limited. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Hawk Springs, records 78.6°F (25.9°C), while the low-temperature is 54.5°F (12.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is evaluated at 87.8°F (31°C).

What is the least humid month?

The months with the lowest humidity are August and September, with an average relative humidity of 44%.

What is the average humidity in September?

In September, the average relative humidity is 44%.

How much does it rain in September?

In September, the rain falls for 8.3 days. Throughout September, 0.67" (17mm) of precipitation is accumulated.

When does it start to snow?

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

How many hours of daylight does Hawk Springs have in September?

In Hawk Springs, the average day length in September is 12h and 28min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:39 pm MDT.

How many hours of sunshine does Hawk Springs have in September?

The average sunshine duration in September is 10.7h.

What is the UV index intensity in September?

In Hawk Springs, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Hawk Springs, WY

Average temperature in September - Hawk Springs, WY
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).

Average pressure in September
Hawk Springs, WY

Average pressure in September - Hawk Springs, WY
  • Average pressure in September: 29.94"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Hawk Springs, WY

Average wind speed in September - Hawk Springs, WY
  • Average wind speed in September: 9.4mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in September
Hawk Springs, WY

Average humidity in September - Hawk Springs, WY
  • Average humidity in September: 44%

The months with the highest relative humidity are January and December (67%).
The months with the lowest relative humidity are August and September (44%).

Average rainfall in September
Hawk Springs, WY

Average rainfall in September - Hawk Springs, WY
  • Average rainfall in September: 0.67"

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in September
Hawk Springs, WY

Average rainfall days in September - Hawk Springs, WY
  • Average rainfall days in September: 8.3 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is December (4.1 days).

Average snowfall in September
Hawk Springs, WY

Average snowfall in September - Hawk Springs, WY
  • Average snowfall in September: 0.08"

The month with the highest snowfall is May (3.11").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Hawk Springs, WY

Average snowfall days in September - Hawk Springs, WY
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Hawk Springs, WY

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

Average sunshine days in September
Hawk Springs, WY

Average sunshine days in September - Hawk Springs, WY
  • Average sunshine days in September: 18.9 days

The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in September
Hawk Springs, WY

Average UV index in September - Hawk Springs, 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
Hawk Springs, WY

Average cloud cover in September - Hawk Springs, WY
  • Average cloud cover in September: 16

The month with the most cloud cover is February (Cloud cover 33).
The months with the least cloud cover are August and September (Cloud cover 16).

Average visibility in September
Hawk Springs, WY

Average visibility in September - Hawk Springs, 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).

Hawk Springs, Wyoming, USA

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