Weather in Gallup, New Mexico for September 2026
Until now, September 2026 in Gallup has been nearly identical to the historical average, with a temperature of 26.8 °F (showing only a slight deviation of 0.5 °F).
The forecast for the next days in Gallup predicts temperatures to be around 27 °F, close to the historical average.
In general, the average temperature in Gallup at the beginning of September is 27.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.4 °F by the end of September.
Gallup experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 114 mm.
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Gallup Weather September
Temperatures trend during September in Gallup
September weather in Gallup day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Thundery outbreaks possible | 27° /15° | 0 mm | 11 | |
| Sept. 2 |  Overcast | 28° /14° | 0 mm | 12 | |
| Sept. 3 | Thundery outbreaks possible | 27° /14° | 0.4 mm | 12 | |
| Sept. 4 | Thundery outbreaks possible | 28° /13° | 0.1 mm | 10 | |
| Sept. 5 |  Light rain shower | 25° /15° | 6.3 mm | 5 | |
| Sept. 6 |  Moderate or heavy rain shower | 27° /14° | 9.1 mm | 6 | |
| Sept. 7 |  Partly cloudy | 28° /15° | 0.2 mm | 7 | |
| Sept. 8 |  Sunny | 28° /15° | 0 mm | 11 | |
| Sept. 9 | Sunny | 29° /14° | 0 mm | 11 | |
| Sept. 10 | Sunny | 30° /16° | 0 mm | 9.9 | |
| Sept. 11 | Sunny | 30° /17° | 0 mm | 9.6 | |
| Sept. 12 | Sunny | 28° /16° | 0.3 mm | 9.7 | |
| Sept. 13 | Sunny | 29° /16° | 5 mm | 9.7 | |
| Sept. 14 | Patchy rain possible | 26° /16° | 1.5 mm | 9.6 | |
| Sept. 15 | Light rain shower | 24° /16° | 6.3 mm | 5 | |
| Sept. 16 | Light rain shower | 25° /17° | 8.6 mm | 5 | |
| Sept. 17 | Partly cloudy | 26° /17° | 2.8 mm | 6 | |
| Sept. 18 | Sunny | 27° /18° | 0 mm | 7 | |
| Sept. 19 | Partly cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 20 | Overcast | 25° /18° | 0 mm | 6 | |
| Sept. 21 | Partly cloudy | 26° /15° | 0 mm | 7 | |
| Sept. 22 | Sunny | 27° /16° | 0 mm | 7 | |
| Sept. 23 | Sunny | 24° /13° | 0.4 mm | 6 | |
| Sept. 24 | Sunny | 25° /8° | 0 mm | 8 | |
| Sept. 25 | Partly cloudy | 27° /8° | 0 mm | 8 | |
| Sept. 26 | Light rain shower | 23° /11° | 28.9 mm | 7 | |
| Sept. 27 | Moderate or heavy rain shower | 21° /9° | 6.5 mm | 4 | |
| Sept. 28 | Thundery outbreaks possible | 18° /11° | 0 mm | 8 | |
| Sept. 29 |  Fog | 21° /11° | 0 mm | 8 | |
| Sept. 30 | Partly cloudy | 22° /10° | 0 mm | 8 | |
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Gallup in September - FAQ
What are the expected maximum and minimum temperatures in Gallup during September?
How much rainfall should be expected in Gallup during September?
What are the typical wind conditions in Gallup during September?
September rainfall patterns in Gallup
UV exposure in Gallup during September
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Where is Gallup?Get accurate weather forecasts for Gallup, located at latitude 35.528 and longitude -108.743. Stay updated with localized weather information tailored for Gallup.