September weather forecastMoriarty, NM
September
Weather in September
September in Moriarty, New Mexico sees a further decline in temperature, hinting at the approach of fall. The drop in temperature comes along with a decrease in rainfall compared to August. Humidity drops from its summer high, but remains fairly consistent with the year's trend. With the wind picking up its pace to 8.1mph (13km/h), September marks a definitive transition from the warm summer months. As the daylight hours continue to shorten, shadows grow long, anticipating the cool whisper of the upcoming autumn months.Temperature
September's onset in Moriarty corresponds with a subtle shift in the average high-temperature, slightly moving from 82.8°F (28.2°C) in August to a still warm 76.1°F (24.5°C). In September, Moriarty experiences an average nighttime temperature of 55.6°F (13.1°C).Humidity
In September, the average relative humidity is 49%.Rainfall
In September, the rain falls for 9.8 days. Throughout September, 1.26" (32mm) of precipitation is accumulated. In Moriarty, during the entire year, the rain falls for 86.3 days and collects up to 10.71" (272mm) of precipitation.Snowfall
In Moriarty, snow does not fall in June through September.Daylight
In Moriarty, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:49 pm MDT.
Sunshine
In September, the average sunshine in Moriarty, New Mexico, is 11.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Moriarty, NM
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is June (84.2°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in September: 55.6°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 (25°F).
Average pressure in September
Moriarty, NM
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.88"Hg).
Average wind speed in September
Moriarty, NM
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Moriarty, NM
- Average humidity in September: 49%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is June (31%).
Average rainfall in September
Moriarty, NM
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in September
Moriarty, NM
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Moriarty, NM
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Moriarty, NM
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Moriarty, NM
- Average daylight in September: 12h and 24min
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 54min).
- Average sunshine in September: 11h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Moriarty, NM
- Average sunshine days in September: 17.4 days
The months with the most sunshine days are January and November (24.1 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Moriarty, 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, November and December (UV index 2).
Average cloud cover in September
Moriarty, NM
- Average cloud cover in September: 15
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in September
Moriarty, 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).





