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Weather in Cayenne for September 2025

Your guide to Cayenne weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Cayenne at the beginning of September is 32.6 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 32.9 °C by the end of September.

  • Rain 🌧️

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

Average dry days
29
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/24°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Cayenne in September average weather

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Temperatures trend during September in Cayenne

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Cloudy
Cloudy
32° /24° 0.1 mm 7
2 Sept. Partly cloudy
Partly cloudy
32° /24° 0.4 mm 8
3 Sept. Partly cloudy
Partly cloudy
32° /23° 0.1 mm 8
4 Sept. Partly cloudy
Partly cloudy
33° /23° 0 mm 8
5 Sept. Cloudy
Cloudy
33° /24° 0 mm 7
6 Sept. Cloudy
Cloudy
33° /24° 0.3 mm 8
7 Sept. Patchy rain possible
Patchy rain possible
33° /23° 1.1 mm 8
8 Sept. Patchy rain possible
Patchy rain possible
32° /24° 0.2 mm 8
9 Sept. Partly cloudy
Partly cloudy
33° /24° 0 mm 8
10 Sept. Partly cloudy
Partly cloudy
32° /24° 0 mm 8
11 Sept. Cloudy
Cloudy
32° /23° 0.1 mm 8
12 Sept. Partly cloudy
Partly cloudy
32° /23° 0 mm 8
13 Sept. Partly cloudy
Partly cloudy
32° /23° 0 mm 8
14 Sept. Partly cloudy
Partly cloudy
33° /23° 0 mm 8
15 Sept. Partly cloudy
Partly cloudy
32° /24° 0 mm 8
16 Sept. Thundery outbreaks possible
Thundery outbreaks possible
32° /24° 0.2 mm 8
17 Sept. Partly cloudy
Partly cloudy
33° /24° 0 mm 8
18 Sept. Mist
Mist
33° /23° 0.1 mm 7
19 Sept. Mist
Mist
33° /23° 0.4 mm 8
20 Sept. Partly cloudy
Partly cloudy
33° /24° 0.1 mm 8
21 Sept. Thundery outbreaks possible
Thundery outbreaks possible
33° /24° 0.8 mm 8
22 Sept. Patchy rain possible
Patchy rain possible
32° /24° 0.2 mm 7
23 Sept. Patchy rain possible
Patchy rain possible
32° /24° 0.2 mm 7
24 Sept. Patchy rain possible
Patchy rain possible
33° /23° 0 mm 7
25 Sept. Patchy rain possible
Patchy rain possible
32° /24° 0 mm 7
26 Sept. Partly cloudy
Partly cloudy
33° /24° 0 mm 8
27 Sept. Cloudy
Cloudy
33° /25° 0 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
33° /25° 0.1 mm 7
29 Sept. Partly cloudy
Partly cloudy
33° /25° 0.1 mm 8
30 Sept. Partly cloudy
Partly cloudy
33° /25° 0.1 mm 8
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Important Notice
Our weather forecast for Cayenne 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 Cayenne forecast closer to your planned date for the most up-to-date weather information.

Cayenne in September - FAQ

What are the expected maximum and minimum temperatures in Cayenne during September?
During September, expect a variety of temperatures with highs around 32° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cayenne during September?
Rainfall in Cayenne during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 Cayenne during September?
The average wind speed in Cayenne during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Cayenne

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

UV exposure in Cayenne during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Cayenne?

Get accurate weather forecasts for Cayenne, located at latitude 4.933 and longitude -52.333. Stay updated with localized weather information tailored for Cayenne.

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