September could be a good time to visit Santa Clara, as the weather is generally fine. The average high temperature is around +88°F, and there are typically 1 sunny days in September. However, expect about 26 rainy days, and total monthly rainfall of approximately 142 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+88°F
Avg. max. temperature
+68°F
Min.
+93°F
Max.
142 mm
Total precipitation
82%
Avg. humidity
1 m/s
Avg. wind
1 ☀️
Sunny Days
2 ⛅️
Cloudy
26 🌦
Rainy
Our opinion: Santa Clara has OK weather in September.
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Average temperature in Santa Clara in September
Here are the expected maximum, average and minimum temperatures in Santa Clara for September based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in September is +90°F with a maximum of +91°F and a minimum of +72°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +91°F to +91°F.
Is Santa Clara warm or cold in September?
Santa Clara is typically hot in September.
Maximum temperatures go down compared to the previous month from +90°F to +88°F. The minimum temperature also goes down from +75°F to +73°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
September is one of the warmest months in Santa Clara, here is the comparison with other months:
Climate in Santa Clara in September
Santa Clara weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+90°F
+88°F
+84°F
Min. temperature
+66°F
+68°F
+59°F
Max. temperature
+97°F
+93°F
+91°F
Rainfall
106 mm
142 mm
108 mm
Wind
2 m/s
1 m/s
2 m/s
Humidity
79%
82%
83%
Air pressure
1014 HPa
1013 HPa
1013 HPa
Sunny days
1
1
2
Cloudy days
3
2
4
Rainy days
25
26
24
Snowy days
0
0
0
September weather is still as ok as in August.It’s getting colder in September. From +90°F in the day, the average maximum temperature lowers to +88°F.Prepare for more rain. Average rainfall goes from 106 mm to 142 mm.Humidity rises from 79% to 82%.Winds are calmer in comparison to August, going down from 2 m/s to 1 m/s on average.The amount of sunny days stay about the same, averaging 1 sunny days during the month.
October brings much the same weather, it remains ok.
Wind speed in Santa Clara in September based on historical data.
Last Year
Historical Data
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Santa Clara is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Santa Clara based on historical data.
Last Year
Historical Data
Total precipitation in September is about 141 mm, with a 67% chance of rain on a typical day. The maximum amount of rainfall per day is around 20 mm, which is considered light rain.September is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Santa Clara, here is a comparison with other months, total mm:
Santa Clara wettest month is June, where a typical day has a 87% chance of precipitation and 151 mm of rainfall per day. January, on the other hand, is the driest month with a mere 39% chance of precipitation and 22 mm of rainfall per day.
How was the weather last September in Santa Clara?
This is the weather in Santa Clara in September 2024:
1 September
☁️
+91°F
2 September
☀️
+89°F
3 September
☁️
+89°F
4 September
☁️
+90°F
5 September
☁️
+91°F
6 September
☀️
+89°F
7 September
☁️
+87°F
8 September
☀️
+90°F
9 September
☀️
+90°F
10 September
☀️
+90°F
11 September
☀️
+91°F
12 September
☀️
+90°F
13 September
☀️
+91°F
14 September
☀️
+90°F
15 September
☀️
+90°F
16 September
☀️
+92°F
17 September
☀️
+92°F
18 September
☀️
+91°F
19 September
☁️
+92°F
20 September
☁️
+92°F
21 September
☁️
+90°F
22 September
☁️
+90°F
23 September
☁️
+89°F
24 September
☁️
+90°F
25 September
☁️
+92°F
26 September
☁️
+86°F
27 September
☁️
+88°F
28 September
☁️
+87°F
29 September
☁️
+91°F
30 September
☁️
+91°F
In September 2024 Santa Clara had 13 sunny days, 17 cloudy days, and 0 rainy days. The average maximum temperature was +90°F, with an absolute maximum of +91°F and a minimum of +86°F. The average humidity was 83%, with a maximum of 100% and a minimum of 46%. The average wind speed was 1 m/s, with a maximum of 6 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Santa Clara climate has changed over the last 43 years.
The climate in Santa Clara in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1981 (+83°F) and the highest in 2023 (+87°F). The driest year was 2004 with only 508 mm of rainfall, and the wettest year was 2012 with 1348 mm.
FAQ
Frequently asked questions about the weather in Santa Clara in September:
Is September a good time to visit Santa Clara?
It’s always a good time to visit Santa Clara, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Santa Clara in September?
Absolutely, September is hot in Santa Clara. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.
Is Santa Clara rainy in September?
Santa Clara is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Santa Clara in September?
Usually, it’s not very sunny in Santa Clara in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Santa Clara, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
