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 shift from August to September coincides with a small decrease in the average high-temperature, down to a still moderately hot 74.7°F (23.7°C) from a warm 80.6°F (27°C). Gallup's average low-temperature during September nights is observed to be a cool 54.5°F (12.5°C).Humidity
In Gallup, the average relative humidity in September is 43%.Rainfall
In Gallup, in September, during 8.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Gallup, during the entire year, the rain falls for 69.2 days and collects up to 6.69" (170mm) of precipitation.Snowfall
In Gallup, snow does not fall in June through September.Daylight
In Gallup, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:41 pm. On the last day of September, in Gallup, New Mexico, sunrise is at 7:09 am and sunset at 6:59 pm MDT.
Sunshine
The average sunshine in September is 10.8h.UV index
In September, the average daily maximum UV index in Gallup is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. 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
What are September temperatures in Gallup?
What is the average humidity in September in Gallup?
How many days does it rain in September in Gallup?
When it does not snow in Gallup?
Does it snow in Gallup in September?
What is the average length of the day in September in Gallup?
When is the sunrise / sunset in September in Gallup?
How many hours of sunshine does Gallup have in September?
What is the UV index intensity in September in Gallup?
Average temperature in September
Gallup, NM
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Gallup, NM
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Gallup, NM
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is January (6.8mph).
Average humidity in September
Gallup, NM
- Average humidity in September: 43%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (23%).
Average rainfall in September
Gallup, NM
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is July (1.06").
The driest months (with the least rainfall) are May and June (0.24").
Average rainfall days in September
Gallup, NM
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Gallup, NM
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gallup, NM
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gallup, 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 30min).
Average sunshine days in September
Gallup, NM
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is June (25.1 days).
The month with the least sunshine days is July (14.4 days).
Average UV index in September
Gallup, 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
Gallup, NM
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in September
Gallup, NM
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Gallup, New Mexico, USA
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