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Guatemala weather in September

Weather in Guatemala: September

Average day temperature: 73.8°F
Average night temperature: 61.0°F
Number of sunny days: 4 days
Day length: 12.0 - 12.4 hours
Number of rainy days: 23 days
Precipitation totals: 14.0 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 75°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during September were 70.9°F and 60.9°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 Guatemala in September is 12.8 in. It makes september the most rainy month of the year.

Wind speed in September, mph

The average wind speed value in September is 3.3 mph It makes September lest windy month 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: 3.9.

Best time for vacation in Guatemala

Sunniest months:
January 21 days
March 21 days
February 20 days
Warmest months:
April 80.6 °F
March 79.8 °F
May 78.1 °F
Coldest months:
November 72.3 °F
October 72.8 °F
December 73.5 °F
Rainiest months:
September 23 days
June 21 days
August 19 days
Windiest months:
January 7.1 mph
December 6.6 mph
February 6.5 mph

Guatemala on a weather map

Guatemala
+57°F
SE 2 mph
Feels like: +59°F
Precip.: 0%
Places in Guatemala:
Name
°F
+54°F
+57°F
+70°F
+57°F
+70°F
+57°F
+48°F
+61°F
+66°F
+70°F
24 Hours Forecast
Guatemala
Local time: 01:34
December 05, friday
0300
57°F
SE
2 mph
0600
57°F
SE
2 mph
0900
68°F
SW
2 mph
1200
75°F
SW
2 mph
1500
72°F
W
2 mph
1800
64°F
N
2 mph
2100
59°F
S
2 mph
December 06, saturday
0000
57°F
SE
2 mph
Units of measurement: °C / °F