September weather forecastRustrián, Guatemala

September

Weather in September

September, the first month of the autumn in Rustrián, is still a warm month, with temperature in the range of an average low of 15°C (59°F) and an average high of 23.4°C (74.1°F).

Temperature

September denotes a minimal variation in the average high-temperature to a still moderately hot 23.4°C (74.1°F) from August's 24.2°C (75.6°F). Nighttime temperature in Rustrián lowers to an average of 15°C (59°F) in September.

Humidity

The most humid month in Rustrián is September, with an average relative humidity of 90%.

Rainfall

In Rustrián, during September, the rain falls for 28.7 days and regularly aggregates up to 269mm (10.59") of precipitation. In Rustrián, Guatemala, during the entire year, the rain falls for 231.3 days and collects up to 1656mm (65.2") of precipitation.

Daylight

The average length of the day in September in Rustrián is 12h and 13min.
On the first day of September in Rustrián, Guatemala, sunrise is at 05:50 and sunset at 18:13. On the last day of the month, sunrise is at 05:51 and sunset at 17:51 CST.

Sunshine

In September, the average sunshine in Rustrián, Guatemala, is 7.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

Rustrián in September has an average high-temperature of 23.4°C (74.1°F) and an average low-temperature of 15°C (59°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in April is calculated to be 29°C (84.2°F).

September is the most humid month in Rustrián, with an average relative humidity of 90%.

The average relative humidity in September in Rustrián, Guatemala, is 90%.

In Rustrián, in September, during 28.7 rainfall days, 269mm (10.59") of precipitation is typically accumulated.

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

In September, on the first day of the month, sunrise is at 05:50 and sunset at 18:13. On the last day of the month, sunrise is at 05:51 and sunset at 17:51 CST.

The average sunshine duration in September in Rustrián is 7.7h.

In September, the average daily maximum UV index in Rustrián is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rustrián, Guatemala

  • Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is October (22.5°C).

  • Average low temperature in September: 15°C

The month with the highest average low temperature is May (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).

Average pressure in September
Rustrián, Guatemala

  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).

Average wind speed in September
Rustrián, Guatemala

  • Average wind speed in September: 5.9km/h

The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is September (5.9km/h).

Average humidity in September
Rustrián, Guatemala

  • Average humidity in September: 90%

The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is March (69%).

Average rainfall in September
Rustrián, Guatemala

  • Average rainfall in September: 269mm

The wettest month (with the highest rainfall) is May (285mm).
The driest month (with the least rainfall) is January (7mm).

Average rainfall days in September
Rustrián, Guatemala

  • Average rainfall days in September: 28.7 days

The month with the highest number of rainy days is September (28.7 days).
The month with the least rainy days is January (6.7 days).

Average daylight in September /
Average sunshine in September
Rustrián, 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 18min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).

Average sunshine days in September
Rustrián, Guatemala

  • Average sunshine days in September: 0.9 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (0.9 days).

Average UV index in September
Rustrián, 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 August and October (UV index 4).

Average cloud cover in September
Rustrián, Guatemala

  • Average cloud cover in September: 59

The months with the most cloud cover are June and September (Cloud cover 59).
The months with the least cloud cover are January, February and March (Cloud cover 26).

Average visibility in September
Rustrián, Guatemala

  • Average visibility in September: 6km

The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).