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
The move into September indicates a slight reduction in the average high-temperature, down from August's 82.4°F (28°C) to a still warm 73.6°F (23.1°C). Rockypoint witnesses an average low-temperature of 54.3°F (12.4°C) throughout the month of September.Humidity
In September, the average relative humidity is 44%.Rainfall
In Rockypoint, in September, during 10.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Rockypoint, during the entire year, the rain falls for 108.9 days and collects up to 15.59" (396mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Rockypoint. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, in Rockypoint, there are 50.5 snowfall days, and 19.53" (496mm) of snow is accumulated.Daylight
In Rockypoint, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:36 pm. On the last day of September, in Rockypoint, sunrise is at 6:58 am and sunset at 6:42 pm MDT.
Sunshine
In Rockypoint, the average sunshine in September is 10.8h.UV index
The average daily maximum UV index in September in Rockypoint is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Rockypoint?
What is the average humidity in September in Rockypoint?
How many days does it rain in September in Rockypoint?
When does it start to snow in Rockypoint?
What is the average length of the day in September in Rockypoint?
What time are sunrise and sunset in September in Rockypoint?
How many hours of sunshine does Rockypoint have in September?
What is the UV index intensity in September in Rockypoint?
Average temperature in September
Rockypoint, WY
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in September
Rockypoint, WY
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Rockypoint, WY
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).
Average humidity in September
Rockypoint, WY
- Average humidity in September: 44%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Rockypoint, WY
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Rockypoint, WY
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Rockypoint, WY
- Average snowfall in September: 0.31"
The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Rockypoint, WY
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is February (9.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Rockypoint, 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 48min).
- 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 36min).
Average sunshine days in September
Rockypoint, WY
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Rockypoint, 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, April, November and December (UV index 2).
Average cloud cover in September
Rockypoint, WY
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Rockypoint, 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).
Rockypoint, Wyoming, USA
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