September weather forecast
Cartago, CA

Share

Weather in September

September, the first month of the autumn in Cartago, is still a warm month, with an average temperature ranging between min 60.3°F (15.7°C) and max 78.1°F (25.6°C).

Temperature

September marks a gentle change in average high-temperature, declining from August's 85.5°F (29.7°C) to a still moderately hot 78.1°F (25.6°C). During September nights, Cartago records an average temperature of 60.3°F (15.7°C).

Humidity

The average relative humidity in September in Cartago, California, is 22%.

Rainfall

The months with the least rainfall are June and September Rain falls for 2.3 days and accumulates 0.16" (4mm) of rain.

Snowfall

In Cartago, snow does not fall in May through October.

Daylight

In Cartago, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:19 pm. On the last day of September, in Cartago, sunrise is at 6:47 am and sunset at 6:36 pm PDT.

Sunshine

In Cartago, the average sunshine in September is 10.9h.

UV index

In September, the average daily maximum UV index in Cartago, California, is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
[Resources]

Frequently asked questions

What are September temperatures in Cartago?

The high-temperature, in September, in Cartago, records 78.1°F (25.6°C), while the low-temperature is 60.3°F (15.7°C).

What is the average humidity in September in Cartago?

The average relative humidity in September in Cartago, California, is 22%.

What is the driest month in Cartago?

June and September are months with the least rain in Cartago when the rain falls for 2.3 days and typically aggregates up to 0.16" (4mm) of rain.

How much does it rain in Cartago in September?

In Cartago, in September, it is raining for 2.3 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Cartago?

May through October are months without snowfall in Cartago.

How many hours of daylight does Cartago have in September?

The average day length in September in Cartago is 12h and 23min.

When are sunrise and sunset in September in Cartago?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:19 pm. On the last day of the month, in Cartago, California, sunrise is at 6:47 am and sunset at 6:36 pm PDT.

How many hours of sunshine does Cartago have in September?

The average sunshine duration in September is 10.9h.

What is the UV index intensity in September in Cartago?

In Cartago, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cartago, CA

Average temperature in September - Cartago, CA
  • Average high temperature in September: 78.1°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (46.9°F).

  • Average low temperature in September: 60.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is December (31.5°F).

[Resources]

Average pressure in September
Cartago, CA

Average pressure in September - Cartago, CA
  • Average pressure in September: 29.89"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

[Resources]

Average wind speed in September
Cartago, CA

Average wind speed in September - Cartago, CA
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are April, May and June (7.6mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).

[Resources]

Average humidity in September
Cartago, CA

Average humidity in September - Cartago, CA
  • Average humidity in September: 22%

The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is August (19%).

[Resources]

Average rainfall in September
Cartago, CA

Average rainfall in September - Cartago, CA
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is December (0.67").
The driest months (with the least rainfall) are June and September (0.16").

[Resources]

Average rainfall days in September
Cartago, CA

Average rainfall days in September - Cartago, CA
  • Average rainfall days in September: 2.3 days

The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is September (2.3 days).

[Resources]

Average snowfall in September
Cartago, CA

Average snowfall in September - Cartago, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is December (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Cartago, CA

Average snowfall days in September - Cartago, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Cartago, CA

Average daylight in September / Average sunshine in September - Cartago, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 18min).

[Resources]

Average sunshine days in September
Cartago, CA

Average sunshine days in September - Cartago, CA
  • Average sunshine days in September: 25 days

The month with the most sunshine days is October (27.7 days).
The month with the least sunshine days is July (20 days).

[Resources]

Average UV index in September
Cartago, CA

Average UV index in September - Cartago, CA
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).

[Resources]

Average cloud cover in September
Cartago, CA

Average cloud cover in September - Cartago, CA
  • Average cloud cover in September: 5

The month with the most cloud cover is January (Cloud cover 16).
The months with the least cloud cover are August and September (Cloud cover 5).

[Resources]

Average visibility in September
Cartago, CA

Average visibility in September - Cartago, CA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Cartago, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location