Alamosa (CO)
September
Weather in Alamosa, Colorado for September 2027
Your guide to Alamosa weather in September - trends and predictions
In general, the average temperature in Alamosa at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °C by the end of September.
Alamosa experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 78.9 mm.
Is September a good time to visit Alamosa? check out the best time to travel to Alamosa page.
✨ Is September a good time to visit Alamosa? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
23
Dry days
7
Rainy days
0
Snow days
23°/8°
Temperatures
22 km/h
Avg max wind
53 %
Avg humidity
Alamosa Weather September
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Temperatures trend during September in Alamosa
See the weather trend as well as the moving average line
September weather in Alamosa day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 25° /10° | 0.1 mm | 7 | |
| Sept. 2 |  Sunny | 26° /9° | 0 mm | 8 | |
| Sept. 3 | Sunny | 26° /9° | 0 mm | 8 | |
| Sept. 4 |  Cloudy | 27° /10° | 0.3 mm | 6 | |
| Sept. 5 |  Heavy rain | 23° /10° | 26.5 mm | 7 | |
| Sept. 6 |  Patchy rain possible | 24° /9° | 1.2 mm | 5 | |
| Sept. 7 |  Overcast | 25° /10° | 0.2 mm | 5 | |
| Sept. 8 | Sunny | 26° /9° | 0 mm | 8 | |
| Sept. 9 | Sunny | 27° /9° | 0 mm | 8 | |
| Sept. 10 | Patchy rain possible | 26° /9° | 0.9 mm | 7 | |
| Sept. 11 | Patchy rain possible | 24° /8° | 1.4 mm | 7 | |
| Sept. 12 |  Light rain | 23° /9° | 4 mm | 6 | |
| Sept. 13 | Light rain | 24° /10° | 2.8 mm | 7 | |
| Sept. 14 | Sunny | 24° /8° | 0.1 mm | 5 | |
| Sept. 15 | Patchy rain possible | 23° /7° | 0.5 mm | 4 | |
| Sept. 16 | Patchy rain possible | 21° /9° | 1.7 mm | 4 | |
| Sept. 17 | Light rain | 22° /9° | 3.1 mm | 4 | |
| Sept. 18 | Partly cloudy | 21° /7° | 0.2 mm | 5 | |
| Sept. 19 | Sunny | 22° /6° | 0.9 mm | 6 | |
| Sept. 20 | Patchy rain possible | 23° /6° | 0.1 mm | 6 | |
| Sept. 21 |  Moderate or heavy rain shower | 21° /6° | 7.6 mm | 6 | |
| Sept. 22 | Patchy rain possible | 20° /6° | 1.2 mm | 4 | |
| Sept. 23 | Light rain | 17° /6° | 5.5 mm | 3 | |
| Sept. 24 | Light rain | 18° /7° | 3.9 mm | 4 | |
| Sept. 25 | Patchy rain possible | 22° /6° | 1.4 mm | 5 | |
| Sept. 26 | Sunny | 23° /6° | 0 mm | 6.6 | |
| Sept. 27 | Overcast | 23° /8° | 0 mm | 5 | |
| Sept. 28 | Light rain | 19° /8° | 4.4 mm | 4 | |
| Sept. 29 | Sunny | 18° /7° | 0.6 mm | 4 | |
| Sept. 30 |  Thundery outbreaks possible | 20° /7° | 10.3 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Alamosa in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Alamosa forecast closer to your planned date for the most up-to-date weather information.
Change Month
Alamosa in September - FAQ
What are the expected maximum and minimum temperatures in Alamosa during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Alamosa during September?
Moderate rainfall is anticipated in Alamosa during September, with a total of 78.9 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Alamosa during September?
The average wind speed in Alamosa during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Alamosa
Explore the daily rainfall trends and prepare for Alamosas September weather 💧
Typically, Alamosa has 7 rainy days in September with a total of 78.9 mm of rainfall.
UV exposure in Alamosa during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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