September weather forecastTucumcari, NM
September
Weather in September
The town of Tucumcari, New Mexico, experiences a sharp turn of weather in September with temperatures ranging between 62.8°F (17.1°C) to 82.6°F (28.1°C). You'll notice the shortening of daylight and sunshine hours, signaling the approach of autumn. It records 1.06" (27mm) of rainfall, making it one of the wetter months in the fall season. Despite the drop in temperature from August, the weather remains pleasantly warm for outdoor activities. Expect further dips in temperature and a decrease in rainfall in the upcoming month of October.Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a hot 90.9°F (32.7°C) in August to a moderately hot 82.6°F (28.1°C). In the month of September, an average of 62.8°F (17.1°C) marks the low-temperature.Heat index
The average heat index in September is evaluated at 82.4°F (28°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September is 49%.Rainfall
In September, the rain falls for 10.4 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. In Tucumcari, during the entire year, the rain falls for 73.4 days and collects up to 8.39" (213mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:28 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:39 pm MDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tucumcari, NM
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (48.9°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (31.3°F).
Average pressure in September
Tucumcari, NM
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are April and June (29.85"Hg).
Average wind speed in September
Tucumcari, NM
- Average wind speed in September: 10.9mph
The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is January (9.6mph).
Average humidity in September
Tucumcari, NM
- Average humidity in September: 49%
The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (33%).
Average rainfall in September
Tucumcari, NM
- Average rainfall in September: 1.06"
The wettest months (with the highest rainfall) are June and October (1.18").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
Tucumcari, NM
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is August (11.2 days).
The month with the least rainy days is November (1.8 days).
Average snowfall in September
Tucumcari, NM
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Tucumcari, NM
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tucumcari, 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 48min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in September
Tucumcari, NM
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is January (27.6 days).
The month with the least sunshine days is August (15.7 days).
Average UV index in September
Tucumcari, NM
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Tucumcari, NM
- Average cloud cover in September: 16
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in September
Tucumcari, 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).
