September weather forecastWhite Rock, NM
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in White Rock, New Mexico, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 73.9°F (23.3°C).Temperature
September's onset brings a negligible change in high-temperatures, falling from 79.7°F (26.5°C) in August to a still moderately hot 73.9°F (23.3°C). White Rock registers a pronounced decline from daytime peak temperatures, averaging a cool 51.6°F (10.9°C) lows in September.Humidity
The average relative humidity in September in White Rock is 49%.Rainfall
In White Rock, during September, the rain falls for 11.7 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, in White Rock, there are 106.2 rainfall days, and 12.05" (306mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in White Rock, New Mexico, is 12h and 23min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:49 pm MDT.
Sunshine
In White Rock, the average sunshine in September is 11.4h.UV index
In September, the average daily maximum UV index in White Rock is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
White Rock, NM
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (21.6°F).
Average pressure in September
White Rock, NM
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed in September
White Rock, NM
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
White Rock, NM
- Average humidity in September: 49%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (33%).
Average rainfall in September
White Rock, NM
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is April (0.39").
Average rainfall days in September
White Rock, NM
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (5.1 days).
Average snowfall in September
White Rock, NM
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
White Rock, NM
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
White Rock, NM
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 11h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 6min).
Average sunshine days in September
White Rock, NM
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in September
White Rock, NM
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
White Rock, NM
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in September
White 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).





