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Weather in Arequipa for September 2026

Your guide to Arequipa weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Arequipa is slightly warmer than the historical average by 1 °C.

  • The forecast for the next days in Arequipa predicts temperatures to be around 21 °C, close to the historical average.

  • In general, the average temperature in Arequipa at the beginning of September is 21.4 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 21.6 °C by the end of September.

    • Rain 🌧️

  • Precipitation in Arequipa during September is a rare event, with an average of fewer than 2 rainy days.

Average dry days
30
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/7°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
28 %
Avg humidity

Arequipa Weather September

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

Temperatures trend during September in Arequipa

See the weather trend as well as the moving average line

September weather in Arequipa day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 21° /7° 0 mm 7
2 Sept. Sunny
Sunny
 21° /6° 0 mm 7
3 Sept. Sunny
Sunny
 21° /6° 0 mm 8
4 Sept. Sunny
Sunny
 22° /7° 0 mm 7
5 Sept. Sunny
Sunny
 23° /8° 0 mm 7
6 Sept. Sunny
Sunny
 21° /7° 0 mm 7
7 Sept. Sunny
Sunny
 21° /7° 0 mm 8
8 Sept. Sunny
Sunny
 21° /7° 0 mm 7
9 Sept. Sunny
Sunny
 23° /8° 0 mm 7
10 Sept. Sunny
Sunny
 22° /7° 0 mm 8
11 Sept. Sunny
Sunny
 23° /7° 0 mm 8
12 Sept. Sunny
Sunny
 22° /7° 0 mm 8
13 Sept. Sunny
Sunny
 23° /7° 0 mm 7
14 Sept. Sunny
Sunny
 24° /8° 0 mm 8
15 Sept. Sunny
Sunny
 24° /9° 0 mm 8
16 Sept. Sunny
Sunny
 23° /10° 0 mm 6
17 Sept. Sunny
Sunny
 23° /8° 0 mm 7
18 Sept. Sunny
Sunny
 24° /7° 0 mm 7
19 Sept. Sunny
Sunny
 24° /9° 0 mm 8
20 Sept. Sunny
Sunny
 24° /8° 0 mm 8
21 Sept. Sunny
Sunny
 23° /8° 0 mm 7
22 Sept. Sunny
Sunny
 23° /8° 0 mm 8
23 Sept. Sunny
Sunny
 22° /7° 0 mm 8
24 Sept. Sunny
Sunny
 23° /9° 0.1 mm 8
25 Sept. Sunny
Sunny
 23° /9° 0.1 mm 8
26 Sept. Sunny
Sunny
 22° /9° 0 mm 15.8
27 Sept. Sunny
Sunny
 23° /10° 0 mm 15.5
28 Sept. Sunny
Sunny
 20° /10° 0 mm 15.5
29 Sept. Overcast
Overcast
 20° /10° 0.8 mm 12.9
30 Sept. Sunny
Sunny
 20° /9° 0 mm 15.3
Next
Important Notice
Our weather forecast for Arequipa 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 Arequipa forecast closer to your planned date for the most up-to-date weather information.
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Arequipa in September - FAQ

What are the expected maximum and minimum temperatures in Arequipa during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Arequipa during September?
Rainfall in Arequipa during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

What are the typical wind conditions in Arequipa during September?
The average wind speed in Arequipa during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Arequipa during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Arequipa
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Provincia de Arequipa

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Location coordinates Where is Arequipa?

Get accurate weather forecasts for Arequipa, located at latitude -16.399 and longitude -71.535. Stay updated with localized weather information tailored for Arequipa.

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