World Resorts Belize San Pedro Weather

San Pedro weather in September

Weather in San Pedro: September

Average day temperature: 85.8°F
Average night temperature: 81.2°F
Sea water temperature: 86.6°F
Number of sunny days: 3 days
Day length: 12.0 - 12.5 hours
Number of rainy days: 8 days
Precipitation totals: 3.9 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 86°F. At the same time the lowest night temperature was 80°F. Daily and nightly averages during September were 84.6°F and 83.1°F.

Sea water temperature in San Pedro in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 86.7°F. The highest and lowest sea temperatures during the month were 88.3°F and 84.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in San Pedro in September is 3.9 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.5 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.5.

Best time for vacation in San Pedro

Sunniest months:
April 6 days
February 5 days
March 5 days
Warmest months:
September 85.8 °F
August 85.5 °F
May 84.9 °F
Warmest sea temp:
September 86.6 °F
August 86.3 °F
October 85.6 °F
Coldest months:
January 79.0 °F
December 79.7 °F
February 79.8 °F
Rainiest months:
November 10 days
June 8 days
September 8 days
Windiest months:
June 12.2 mph
April 12.1 mph
May 11.9 mph

San Pedro on a weather map

San Pedro
+81°F
W 12 mph
Feels like: +88°F
Precip.: 0%
Places in Belize:
Name
°F
+81°F
+79°F
+70°F
+79°F
+77°F
+75°F
+70°F
+81°F
24 Hours Forecast
San Pedro
Local time: 21:31
December 05, friday
0000
81°F
W
11 mph
0300
81°F
W
11 mph
0600
81°F
W
8 mph
0900
81°F
W
8 mph
1200
81°F
W
7 mph
1500
82°F
W
7 mph
1800
81°F
W
9 mph
2100
81°F
W
9 mph
Units of measurement: °C / °F