September weather forecastEntrerríos, Colombia

September

Weather in September

September, the first month of the autumn in Entrerríos, is still a warm month, with an average temperature varying between 23.4°C (74.1°F) and 12.8°C (55°F).

Temperature

The arrival of September brings an average high-temperature of a still warm 23.4°C (74.1°F), closely following the temperature pattern of August. In the month of September, the average low-temperature usually rests at a fresh 12.8°C (55°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Entrerríos, in September, during 24.7 rainfall days, 171mm (6.73") of precipitation is typically accumulated. In Entrerríos, during the entire year, the rain falls for 329.5 days and collects up to 2497mm (98.31") of precipitation.

Daylight

The average length of the day in September is 12h and 9min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:08. On the last day of September, sunrise is at 05:49 and sunset at 17:53 -05.

Sunshine

The average sunshine in September is 9.2h.

UV index

The months with the lowest UV index are May, September through November, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Updated: Jul 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during September are 23.4°C (74.1°F) and 12.8°C (55°F) respectively.

In September, the average relative humidity is 80%.

In Entrerríos, during September, the rain falls for 24.7 days and regularly aggregates up to 171mm (6.73") of precipitation.

The average day length in September is 12h and 9min.

In September, on the first day of the month, sunrise is at 05:54 and sunset at 18:08. On the last day of the month, sunrise is at 05:49 and sunset at 17:53 -05.

The average sunshine duration in September is 9.2h.

May, September through November, with an average maximum UV index of 4, are months with the lowest UV index.

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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

23.9°C

23.4°C

21.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.8km/h

4km/h

3.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.3

3.4

0.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Entrerríos, Colombia

Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is November (21°C).

Average low temperature in September: 12.8°C

The months with the highest average low temperature are April and May (13.7°C).
The coldest month (with the lowest average low temperature) is January (12.4°C).

Average pressure in September
Entrerríos, Colombia

Average pressure in September: 1012mbar

The months with the highest atmospheric pressure are May, June and September (1012mbar).
The months with the lowest atmospheric pressure are February and December (1011.4mbar).

Average wind speed in September
Entrerríos, Colombia

Average wind speed in September: 3.7km/h

The windiest month (with the highest average wind speed) is July (4.2km/h).
The calmest month (with the lowest average wind speed) is November (2.9km/h).

Average humidity in September
Entrerríos, Colombia

Average humidity in September: 80%

The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is August (77%).

Average rainfall in September
Entrerríos, Colombia

Average rainfall in September: 171mm

The wettest month (with the highest rainfall) is October (327mm).
The driest month (with the least rainfall) is January (130mm).

Average rainfall days in September
Entrerríos, Colombia

Average rainfall days in September: 24.7 days

The month with the highest number of rainy days is March (30.1 days).
The months with the least rainy days are July and September (24.7 days).

Average daylight in September /
Average sunshine in September
Entrerríos, Colombia

Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).

Average sunshine in September: 9h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in September
Entrerríos, Colombia

Average sunshine days in September: 3.4 days

The month with the most sunshine days is July (4.6 days).
The month with the least sunshine days is November (0 days).

Average UV index in September
Entrerríos, Colombia

Average UV index in September: 4

The months with the highest UV index are January, February, March, April, June, July, August and December (UV index 5).
The months with the lowest UV index are May, September, October and November (UV index 4).