September weather forecast
La Grange, CA

Weather in September

September, the first month of the autumn, in La Grange, is still a hot month, with average temperature ranging between max 90°F (32.2°C) and min 60.8°F (16°C).

Temperature

In La Grange, California, the average high-temperature in September marginally drops, from a very hot 96.3°F (35.7°C) in August, to a tropical 90°F (32.2°C). In La Grange, in September, the average low-temperature is 60.8°F (16°C).

Humidity

The average relative humidity is 38%.

Rainfall

In September, the rain falls for 1.7 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. In La Grange, California, during the entire year, the rain falls for 47.2 days and collects up to 5" (127mm) of precipitation.

Daylight

In La Grange, the average length of the day is 12.4h.

Sunshine

The average sunshine in La Grange is 11.5h.

UV index

In September, the average daily maximum UV index in La Grange, California, is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the average humidity in September in La Grange?

In September, the average relative humidity in La Grange, California, is 38%.

How many days does it rain in September in La Grange?

In September, in La Grange, California, the rain falls for 1.7 days. Throughout September, 0.08" (2mm) of precipitation is accumulated.

How many hours of daylight does La Grange have in September?

In La Grange, the average length of the day in September is 12.4h.

How many hours of sunshine does La Grange have in September?

The average sunshine in September in La Grange, California, is 11.5h.

What is the UV index intensity in September in La Grange?

In La Grange, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.

Average temperature in September
La Grange, CA

Average temperature in September - La Grange, CA
  • Average high temperature in September: 90°F

The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in September: 60.8°F

Months with the highest average low temperature are July and August (63°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

[Resources]

Average pressure in September
La Grange, CA

Average pressure in September - La Grange, CA
  • Average pressure in September: 29.93"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

[Resources]

Average wind speed in September
La Grange, CA

Average wind speed in September - La Grange, CA
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

[Resources]

Average humidity in September
La Grange, CA

Average humidity in September - La Grange, CA
  • Average humidity in September: 38%

The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (35%).

[Resources]

Average rainfall in September
La Grange, CA

Average rainfall in September - La Grange, CA
  • Average rainfall in September: 0.08"

The wettest months (with the highest rainfall) are March and December (0.98").
The driest months (with the least rainfall) are June and August (0.04").

[Resources]

Average rainfall days in September
La Grange, CA

Average rainfall days in September - La Grange, CA
  • Average rainfall days in September: 1.7 days

The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (0.6 days).

[Resources]

Average daylight in September /
Average sunshine in September
La Grange, CA

Average daylight in September / Average sunshine in September - La Grange, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 11.5h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.1h).

[Resources]

Average sunshine days in September
La Grange, CA

Average sunshine days in September - La Grange, CA
  • Average sunshine days in September: 27.1 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (21.7 days).

[Resources]

Average UV index in September
La Grange, CA

Average UV index in September - La Grange, CA
  • Average UV index in September: 6

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average cloud cover in September
La Grange, CA

Average cloud cover in September - La Grange, CA
  • Average cloud cover in September: 6

Months with the most cloud cover are March and December (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).

[Resources]

Average visibility in September
La Grange, CA

Average visibility in September - La Grange, CA
  • Average visibility in September: 6mi

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location