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Alta
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Weather in Alta for September 2026

Your guide to Alta weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Alta during September is quite rare, with fewer than 2 snowy days on average.
    According to Alta snow forecast for September 2026, no snow is expected in the next 2 weeks.

    • Temperatures

  • Until now, September 2026 in Alta is cooler than usual, with temperatures averaging 9.4 °C, this is 4.2 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Alta with the forecast suggesting a temperature of 9.9 °C, lower than the historical average.

  • In general, the average temperature in Alta at the beginning of September is 12.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9 °C by the end of September.

    • Rain 🌧️

  • The climate of Alta in September is notably wet, with an average of 12 rainy days, and a total of 81.3 mm of precipitation.

Average dry days
17
Dry days
Average rainy days
12
Rainy days
Average snowy days
1
Snow days
Average temperatures
11°/7°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Alta Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light drizzle
13°
2
Light drizzle
14°
3
Patchy rain possible
15°
4
Light rain shower
14°
5
Patchy rain possible
12°
6
Patchy rain possible
11°
7
Overcast
11°
8
Partly cloudy
13°
9
Light drizzle
16°
10
Patchy rain possible
15°
11
Sunny
15°
12
Overcast
14°
13
Overcast
10°
14
Patchy rain possible
9°
15
Overcast
11°
16
Light rain shower
10°
17
Light rain shower
9°
18
Overcast
11°
19
Patchy rain possible
11°
20
Light rain shower
11°
21
Light rain shower
11°
22
Light rain shower
9°
23
Patchy rain possible
8°
24
Overcast
9°
25
Overcast
9°
26
Light rain shower
10°
27
Overcast
9°
28
Light drizzle
9°
29
Light drizzle
9°
30
Patchy rain possible
8°

Temperatures trend during September in Alta

See the weather trend as well as the moving average line

September weather in Alta day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Light drizzle
Light drizzle
 13° /9° 5.2 mm 0 cm
2 Sept. Light drizzle
Light drizzle
 14° /9° 4.9 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
 15° /9° 0.9 mm 0 cm
4 Sept. Light rain shower
Light rain shower
 14° /8° 4 mm 0 cm
5 Sept. Patchy rain possible
Patchy rain possible
 12° /6° 1.5 mm 0 cm
6 Sept. Patchy rain possible
Patchy rain possible
 11° /6° 2 mm 0 cm
7 Sept. Overcast
Overcast
 11° /6° 0.9 mm 0 cm
8 Sept. Partly cloudy
Partly cloudy
 13° /7° 4.7 mm 0 cm
9 Sept. Light drizzle
Light drizzle
 16° /10° 0.8 mm 0 cm
10 Sept. Patchy rain possible
Patchy rain possible
 15° /10° 0.2 mm 0 cm
11 Sept. Sunny
Sunny
 15° /8° 1.7 mm 0 cm
12 Sept. Overcast
Overcast
 14° /8° 0.1 mm 0 cm
13 Sept. Overcast
Overcast
 10° /8° 3.6 mm 0 cm
14 Sept. Patchy rain possible
Patchy rain possible
 9° /7° 2.4 mm 0 cm
15 Sept. Overcast
Overcast
 11° /5° 0.1 mm 0 cm
16 Sept. Light rain shower
Light rain shower
 10° /9° 8.3 mm 0 cm
17 Sept. Light rain shower
Light rain shower
 9° /8° 6.3 mm 0 cm
18 Sept. Overcast
Overcast
 11° /8° 2.1 mm 0 cm
19 Sept. Patchy rain possible
Patchy rain possible
 11° /9° 0 mm 0 cm
20 Sept. Light rain shower
Light rain shower
 11° /10° 4.5 mm 0 cm
21 Sept. Light rain shower
Light rain shower
 11° /8° 4.7 mm 0 cm
22 Sept. Light rain shower
Light rain shower
 9° /8° 6.3 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
 8° /8° 0.9 mm 0 cm
24 Sept. Overcast
Overcast
 9° /7° 0 mm 0 cm
25 Sept. Overcast
Overcast
 9° /7° 0.6 mm 0 cm
26 Sept. Light rain shower
Light rain shower
 10° /6° 5.8 mm 0 cm
27 Sept. Overcast
Overcast
 9° /5° 0.3 mm 0 cm
28 Sept. Light drizzle
Light drizzle
 9° /6° 4.6 mm 0 cm
29 Sept. Light drizzle
Light drizzle
 9° /5° 1.2 mm 0.2 cm
30 Sept. Patchy rain possible
Patchy rain possible
 8° /5° 1.6 mm 1.2 cm
Next
Important Notice
Our weather forecast for Alta 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 Alta forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Alta in September - FAQ

What are the expected maximum and minimum temperatures in Alta during September?
During September, expect a variety of temperatures with highs around 11° and lows near 7°, suitable for diverse activities and preferences.

How much rainfall should be expected in Alta during September?
Moderate rainfall is anticipated in Alta during September, with a total of 81.3 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

Will it snow in Alta in September 2026?
Alta typically sees 1.4 cm of snowfall during September.

What are the typical wind conditions in Alta during September?
The average wind speed in Alta during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

Alta snow forecast September 2026

Track daily snowfall levels and discover Alta’s snowy potential this September ❄️
On average, Alta sees 1 snowy days during September, with approximately 1.4 cm of total snowfall.

September rainfall patterns in Alta

Explore the daily rainfall trends and prepare for Altas September weather 💧
Typically, Alta has 12 rainy days in September with a total of 81.3 mm of rainfall.

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Location coordinates Where is Alta?

Get accurate weather forecasts for Alta, located at latitude 69.969 and longitude 23.272. Stay updated with localized weather information tailored for Alta.

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