September weather forecastTamahú, Guatemala

September

Weather in September

September, the first month of the autumn in Tamahú, is still a warm month, with an average temperature ranging between min 16.9°C (62.4°F) and max 25.3°C (77.5°F).

Temperature

The arrival of September sees an average high-temperature of a still warm 25.3°C (77.5°F), hardly diverging from August's 25.8°C (78.4°F). In September, the average low-temperature records at a refreshing 16.9°C (62.4°F) during the nights.

Humidity

The average relative humidity in September in Tamahú is 90%.

Rainfall

In Tamahú, during September, the rain falls for 29.4 days and regularly aggregates up to 345mm (13.58") of precipitation. Throughout the year, in Tamahú, there are 297.8 rainfall days, and 2530mm (99.61") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 05:48 and sunset at 18:12. On the last day of the month, sunrise is at 05:50 and sunset at 17:50 CST.

Sunshine

In September, the average sunshine in Tamahú, Guatemala, is 7.3h.

UV index

In September, the average daily maximum UV index in Tamahú is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Enhance your sun protection with tightly woven, yet airy clothing.

Updated: Feb 15, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in September, in Tamahú, is 25.3°C (77.5°F) and the average low-temperature is 16.9°C (62.4°F). In April, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 31°C (87.8°F).

In September, the average relative humidity is 90%.

In September, in Tamahú, the rain falls for 29.4 days. Throughout September, 345mm (13.58") of precipitation is accumulated.

In September, the average day length in Tamahú, Guatemala, is 12h and 13min.

In September, on the first day of the month, sunrise is at 05:48 and sunset at 18:12. On the last day of the month, in Tamahú, Guatemala, sunrise is at 05:50 and sunset at 17:50 CST.

The average sunshine duration in September is 7.3h.

The average daily maximum UV index in September in Tamahú, Guatemala, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.8°C

25.3°C

23.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.8km/h

4.3km/h

5.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.5

0.6

2.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Tamahú, Guatemala

Average high temperature in September: 25.3°C

The warmest month (with the highest average high temperature) is April (27.8°C).
The month with the lowest average high temperature is January (21.2°C).

Average low temperature in September: 16.9°C

The month with the highest average low temperature is June (17.6°C).
The coldest month (with the lowest average low temperature) is January (12.5°C).

Average pressure in September
Tamahú, Guatemala

Average pressure in September: 1013mbar

The month with the highest atmospheric pressure is January (1017.3mbar).
The months with the lowest atmospheric pressure are May and September (1013mbar).

Average wind speed in September
Tamahú, Guatemala

Average wind speed in September: 4.1km/h

The windiest months (with the highest average wind speed) are March and April (5.5km/h).
The calmest month (with the lowest average wind speed) is September (4.1km/h).

Average humidity in September
Tamahú, Guatemala

Average humidity in September: 90%

The month with the highest relative humidity is November (91%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Tamahú, Guatemala

Average rainfall in September: 345mm

The wettest month (with the highest rainfall) is June (377mm).
The driest month (with the least rainfall) is February (71mm).

Average rainfall days in September
Tamahú, Guatemala

Average rainfall days in September: 29.4 days

The month with the highest number of rainy days is September (29.4 days).
The month with the least rainy days is March (19.4 days).

Average daylight in September /
Average sunshine in September
Tamahú, Guatemala

Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

Average sunshine in September: 7h and 18min

The month with the most sunshine is April (Average sunshine: 10h and 12min).
The months with the least sunshine are January and November (Average sunshine: 4h and 42min).

Average sunshine days in September
Tamahú, Guatemala

Average sunshine days in September: 0.6 days

The month with the most sunshine days is March (8.8 days).
The month with the least sunshine days is September (0.6 days).

Average UV index in September
Tamahú, Guatemala

Average UV index in September: 5

The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).