September weather forecast
Saratoga, WY

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Weather in September

In September, Saratoga starts feeling the first hints of fall. The shift in seasons is reflected in the weather, with temperatures dropping and the hours of daylight reducing. Following the high summer temperatures in August at 76.3°F (24.6°C), September records a noticeable dip to 68.5°F (20.3°C). Heading into October, temperatures continue to cool, and the amount of precipitation starts to rise.

Temperature

September indicates a minor shift in the average high-temperature, from August's moderately hot 76.3°F (24.6°C) to an agreeable 68.5°F (20.3°C). Saratoga experiences a substantial decline from the daytime high temperatures in September, settling on an average low of 45°F (7.2°C).

Humidity

In September, the average relative humidity is 43%.

Rainfall

The months with the least rainfall are August and September Rain falls for 9 days and accumulates 0.75" (19mm) of rain.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.28" (7mm) of snow. In Saratoga, during the entire year, snow falls for 101 days and aggregates up to 54.49" (1384mm) of snow.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September in Saratoga, sunrise is at 6:34 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:50 pm MDT.

Sunshine

In September, the average sunshine is 10.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In Saratoga, in September, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 45°F (7.2°C).

What is the average humidity in September?

In September, the average relative humidity is 43%.

What is the driest month?

The months with the least rainfall are August and September Rain falls for 9 days and accumulates 0.75" (19mm) of rain.

How much does it rain in September?

In Saratoga, in September, during 9 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When does it start snowing in Saratoga?

September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.28" (7mm) of snow.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:34 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:50 pm MDT.

How many hours of sunshine does Saratoga have in September?

The average sunshine duration in September is 10.9h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Saratoga, WY

Average temperature in September - Saratoga, WY
  • Average high temperature in September: 68.5°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in September: 45°F

The month with the highest average low temperature is July (52.3°F).
The coldest months (with the lowest average low temperature) are January and December (12.9°F).

Average pressure in September
Saratoga, WY

Average pressure in September - Saratoga, WY
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in September
Saratoga, WY

Average wind speed in September - Saratoga, WY
  • Average wind speed in September: 10.1mph

The windiest month (with the highest average wind speed) is November (11.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).

Average humidity in September
Saratoga, WY

Average humidity in September - Saratoga, WY
  • Average humidity in September: 43%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (41%).

Average rainfall in September
Saratoga, WY

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

The wettest month (with the highest rainfall) is April (1.97").
The driest months (with the least rainfall) are August and September (0.75").

Average rainfall days in September
Saratoga, WY

Average rainfall days in September - Saratoga, WY
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is November (4.9 days).

Average snowfall in September
Saratoga, WY

Average snowfall in September - Saratoga, WY
  • Average snowfall in September: 0.28"

The month with the highest snowfall is April (9.76").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Saratoga, WY

Average snowfall days in September - Saratoga, WY
  • Average snowfall days in September: 0.8 days

The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 10h and 5min

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: 5h and 30min).

Average sunshine days in September
Saratoga, WY

Average sunshine days in September - Saratoga, WY
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (9.4 days).

Average UV index in September
Saratoga, WY

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

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Saratoga, WY

Average cloud cover in September - Saratoga, WY
  • Average cloud cover in September: 14

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are August and September (Cloud cover 14).

Average visibility in September
Saratoga, WY

Average visibility in September - Saratoga, WY
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Saratoga, Wyoming, USA

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