Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a hot 86.5°F (30.3°C) in August to a moderately hot 78.8°F (26°C). A sharp contrast between day and night is prevalent in September with an average nighttime temperature of 54.1°F (12.3°C).Humidity
The least humid month in Fort Laramie is September, with an average relative humidity of 43%.Rainfall
In Fort Laramie, in September, it is raining for 8.3 days, with typically 0.75" (19mm) of accumulated precipitation. In Fort Laramie, during the entire year, the rain falls for 110.8 days and collects up to 12.95" (329mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Fort Laramie. 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 Fort Laramie, during the entire year, snow falls for 42.1 days and aggregates up to 20.75" (527mm) of snow.Daylight
In September, the average length of the day in Fort Laramie is 12h and 28min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:31 pm. On the last day of September, in Fort Laramie, sunrise is at 6:54 am and sunset at 6:40 pm MDT.
Sunshine
In September, the average sunshine is 10.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fort Laramie in September?
What is the least humid month in Fort Laramie?
What is the average humidity in September in Fort Laramie?
How much does it rain in Fort Laramie in September?
When does it start to snow in Fort Laramie?
How many hours of daylight does Fort Laramie have in September?
When are sunrise and sunset in September in Fort Laramie?
How many hours of sunshine does Fort Laramie have in September?
How high is the UV index in September in Fort Laramie?
Average temperature in September
Fort Laramie, WY
- Average high temperature in September: 78.8°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: 54.1°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
Fort Laramie, WY
- Average pressure in September: 29.95"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
Fort Laramie, 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
Fort Laramie, WY
- Average humidity in September: 43%
The months with the highest relative humidity are January and December (67%).
The month with the lowest relative humidity is September (43%).
Average rainfall in September
Fort Laramie, WY
- Average rainfall in September: 0.75"
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
Fort Laramie, 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
Fort Laramie, 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
Fort Laramie, 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
Fort Laramie, 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
Fort Laramie, WY
- Average sunshine days in September: 19.3 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
Fort Laramie, WY
- Average UV index in September: 5
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
Fort Laramie, 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
Fort Laramie, 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).
Fort Laramie, Wyoming, USA
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