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Weather in Santarém for September 2025

Your guide to Santarém weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Santarém at the beginning of September is 25 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.6 °C by the end of September.

  • Rain 🌧️

  • With an average of 2 rainy days, Santarém experiences minimal rainfall in September.

  • More

  • Is September a good time to visit Santarém? check out the best time to travel to Santarém page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
28
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/14°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Santarém in September average weather

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Temperatures trend during September in Santarém

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
26° /16° 0 mm 6
2 Sept. Fog
Fog
23° /14° 0 mm 5
3 Sept. Partly cloudy
Partly cloudy
25° /12° 0 mm 7
4 Sept. Mist
Mist
30° /12° 0 mm 7
5 Sept. Mist
Mist
27° /13° 0 mm 6
6 Sept. Sunny
Sunny
21° /12° 0 mm 6
7 Sept. Patchy rain possible
Patchy rain possible
23° /11° 0.4 mm 5
8 Sept. Fog
Fog
24° /11° 0 mm 5
9 Sept. Fog
Fog
26° /13° 0 mm 6
10 Sept. Overcast
Overcast
25° /13° 0 mm 6
11 Sept. Overcast
Overcast
29° /12° 0 mm 6
12 Sept. Partly cloudy
Partly cloudy
26° /15° 0 mm 7
13 Sept. Mist
Mist
31° /13° 0 mm 7
14 Sept. Sunny
Sunny
31° /17° 0 mm 8
15 Sept. Sunny
Sunny
35° /17° 0 mm 9
16 Sept. Sunny
Sunny
36° /18° 0 mm 9
17 Sept. Partly cloudy
Partly cloudy
33° /17° 0 mm 8
18 Sept. Sunny
Sunny
31° /15° 0 mm 8
19 Sept. Mist
Mist
28° /13° 0 mm 6
20 Sept. Patchy rain possible
Patchy rain possible
24° /14° 0.2 mm 5
21 Sept. Patchy rain possible
Patchy rain possible
24° /15° 0.4 mm 5
22 Sept. Partly cloudy
Partly cloudy
24° /13° 0 mm 6
23 Sept. Mist
Mist
23° /11° 0 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
23° /11° 0.2 mm 5
25 Sept. Light rain shower
Light rain shower
24° /18° 1.7 mm 5
26 Sept. Light rain shower
Light rain shower
21° /14° 7.7 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
19° /11° 0.3 mm 4
28 Sept. Sunny
Sunny
24° /9° 0 mm 6
29 Sept. Sunny
Sunny
26° /13° 0 mm 7
30 Sept. Sunny
Sunny
28° /13° 0 mm 7
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Important Notice
Our weather forecast for Santarém 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 Santarém forecast closer to your planned date for the most up-to-date weather information.

Santarém in September - FAQ

What are the expected maximum and minimum temperatures in Santarém during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santarém during September?
Expect minimal rainfall in Santarém during September, with a total of 11 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Santarém during September?
The average wind speed in Santarém during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Santarém in September?

As you prepare for your trip to Santarém in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Santarém, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Santarém

Explore the daily rainfall trends and prepare for Santaréms September weather 💧

UV exposure in Santarém during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Santarém?

Get accurate weather forecasts for Santarém, located at latitude 39.621 and longitude -8.652. Stay updated with localized weather information tailored for Santarém.

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