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Weather in Charlotte Amalie for September 2025

Your guide to Charlotte Amalie weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Hydrologic Outlook - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Charlotte Amalie has been nearly identical to the historical average, with a temperature of 29.3 °C (showing only a slight deviation of -0.5 °C).

  • Expect cooler weather in the next days in Charlotte Amalie with the forecast suggesting a temperature of 28.9 °C, lower than the historical average.

  • In general, the average temperature in Charlotte Amalie at the beginning of September is 29.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.3 °C by the end of September.

    • Rain 🌧️

  • Charlotte Amalie experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 142.1 mm.

Average dry days
7
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/28°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Charlotte Amalie Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Heavy rain at times
29°
2
Patchy rain possible
30°
3
Patchy rain possible
30°
4
Patchy rain possible
30°
5
Partly cloudy
29°
6
Light rain shower
30°
7
Light rain shower
29°
8
Light rain shower
30°
9
Thundery outbreaks possible
30°
10
Light rain shower
31°
11
Light rain shower
30°
12
Light rain shower
30°
13
Moderate or heavy rain shower
30°
14
Light rain shower
30°
15
Cloudy
29°
16
Overcast
29°
17
Weather Alert Heavy rain
29°
18
Moderate rain
29°
19
Moderate rain
31°
20
Patchy rain possible
29°
21
Partly cloudy
28°
22
Sunny
28°
23
Sunny
28°
24
Patchy rain possible
29°
25
Patchy rain possible
29°
26
Patchy rain possible
29°
27
Partly cloudy
29°
28
Patchy rain possible
29°
29
Patchy rain possible
29°
30
Patchy rain possible
31°

Temperatures trend during September in Charlotte Amalie

See the weather trend as well as the moving average line

September weather in Charlotte Amalie day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Heavy rain at times
Heavy rain at times
 29° /28° 9 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 3.3 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 1.4 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 0.6 mm 6
5 Sept. Partly cloudy
Partly cloudy
 29° /28° 7.7 mm 6
6 Sept. Light rain shower
Light rain shower
 30° /28° 2.4 mm 6
7 Sept. Light rain shower
Light rain shower
 29° /27° 7.5 mm 6
8 Sept. Light rain shower
Light rain shower
 30° /28° 11 mm 6
9 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 30° /27° 8.8 mm 6
10 Sept. Light rain shower
Light rain shower
 31° /27° 3.2 mm 7
11 Sept. Light rain shower
Light rain shower
 30° /27° 12.4 mm 6
12 Sept. Light rain shower
Light rain shower
 30° /28° 0.8 mm 7
13 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /27° 4.4 mm 7
14 Sept. Light rain shower
Light rain shower
 30° /28° 1.9 mm 6
15 Sept. Cloudy
Cloudy
 29° /28° 1.4 mm 6
16 Sept. Overcast
Overcast
 29° /28° 0.1 mm 7
17 Sept. Heavy rain
Heavy rain
 29° /27° 20.8 mm 2.4
18 Sept. Moderate rain
Moderate rain
 29° /28° 16.3 mm 2.2
19 Sept. Moderate rain
Moderate rain
 31° /28° 8.8 mm 2.6
20 Sept. Patchy rain possible
Patchy rain possible
 29° /28° 1 mm 0.2
21 Sept. Partly cloudy
Partly cloudy
 28° /28° 0 mm 7
22 Sept. Sunny
Sunny
 28° /28° 0 mm 7
23 Sept. Sunny
Sunny
 28° /28° 0 mm 7
24 Sept. Patchy rain possible
Patchy rain possible
 29° /28° 1.9 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 29° /29° 1.2 mm 6
26 Sept. Patchy rain possible
Patchy rain possible
 29° /29° 1.6 mm 6
27 Sept. Partly cloudy
Partly cloudy
 29° /28° 0 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
 29° /28° 0.6 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
 29° /28° 0.1 mm 6
30 Sept. Patchy rain possible
Patchy rain possible
 31° /28° 5.2 mm 7
Next
Important Notice
Our weather forecast for Charlotte Amalie 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 Charlotte Amalie forecast closer to your planned date for the most up-to-date weather information.
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Charlotte Amalie in September - FAQ

What are the expected maximum and minimum temperatures in Charlotte Amalie during September?
During September, expect a variety of temperatures with highs around 30° and lows near 28°, suitable for diverse activities and preferences.
How much rainfall should be expected in Charlotte Amalie during September?
Significant rainfall exceeding 142.1 mm is expected in Charlotte Amalie during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Charlotte Amalie during September?
The average wind speed in Charlotte Amalie during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Charlotte Amalie

Explore the daily rainfall trends and prepare for Charlotte Amalies September weather 💧

UV exposure in Charlotte Amalie during September

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

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Location coordinates Where is Charlotte Amalie?

Get accurate weather forecasts for Charlotte Amalie, located at latitude 18.342 and longitude -64.931. Stay updated with localized weather information tailored for Charlotte Amalie.

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