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 onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 74.1°F (23.4°C) in August to an agreeable 68.7°F (20.4°C). A noteworthy thermal contrast characterizes San Cristobal's September nights, with temperatures averaging at a chilly 43.2°F (6.2°C).Humidity
In September, the average relative humidity is 53%.Rainfall
In San Cristobal, during September, the rain falls for 11.5 days and regularly aggregates up to 1.06" (27mm) of precipitation. In San Cristobal, during the entire year, the rain falls for 105.1 days and collects up to 13.82" (351mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 64.8 snowfall days, and 43.15" (1096mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:34 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:46 pm MDT.
Sunshine
The average sunshine in September is 11.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does San Cristobal have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
San Cristobal, NM
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 43.2°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in September
San Cristobal, NM
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed in September
San Cristobal, NM
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in September
San Cristobal, NM
- Average humidity in September: 53%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (39%).
Average rainfall in September
San Cristobal, NM
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in September
San Cristobal, NM
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in September
San Cristobal, NM
- Average snowfall in September: 0.16"
The month with the highest snowfall is March (8.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
San Cristobal, NM
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (11.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
San Cristobal, NM
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in September
San Cristobal, NM
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
San Cristobal, NM
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
San Cristobal, NM
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 30).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in September
San Cristobal, NM
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
San Cristobal, New Mexico, USA
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