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
Black Rock's September weather shows a modest shift in high-temperatures, falling from August's 81°F (27.2°C) to a still warm 75.2°F (24°C). The average nighttime temperature lowers to a fresh 55.2°F (12.9°C) throughout September.Humidity
The average relative humidity in September is 44%.Rainfall
In Black Rock, during September, the rain falls for 8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 78.6 rainfall days, and 9.76" (248mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:59 pm MDT.
Sunshine
In September, the average sunshine is 10.9h.UV index
The average daily maximum UV index in September in Black Rock is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in Black Rock in September?
How many hours of daylight does Black Rock have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Black Rock have in September?
What is the UV index intensity in September?
Average temperature in September
Black Rock, NM
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is June (82.8°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Black Rock, NM
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in September
Black Rock, NM
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is January (7mph).
Average humidity in September
Black Rock, NM
- Average humidity in September: 44%
The month with the highest relative humidity is January (69%).
The month with the lowest relative humidity is June (24%).
Average rainfall in September
Black Rock, NM
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is August (1.34").
The driest month (with the least rainfall) is June (0.28").
Average rainfall days in September
Black Rock, NM
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (3.7 days).
Average snowfall in September
Black Rock, NM
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Black Rock, NM
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Black Rock, NM
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 36min).
Average sunshine days in September
Black Rock, NM
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is June (25.1 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in September
Black Rock, NM
- 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
Black Rock, NM
- Average cloud cover in September: 13
The months with the most cloud cover are January and December (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in September
Black Rock, NM
- 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).
Black Rock, New Mexico, USA
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