Climate averages 1991–2020
Visalia weather
in September.
A hot, very dry month: the 3rd warmest and the joint 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Visalia: daytime highs average 32.8°C and nights cool to about 18.5°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 1.7 mm of rain on fewer than one day, which makes September a very dry month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 27 min on an average September day.
The nearest other city in this atlas is Fresno (63 km away). In September its highs average 32.6°C, about as warm as Visalia, with 1.8 mm of rain.
Among the 498 cities listed in the United States, Visalia ranks 19th of 498 for the warmest September highs and joint 11th of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Visalia is 5.9°C warmer than that mean.
From September to October, average highs fall by 6.8°C to 26.0°C, and monthly rainfall rises from 1.7 mm to 24 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Visalia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.3°C4.6°C | 4.6°C | 92 | 8.0 | 10.010 h |
| February | 15.9°C5.8°C | 5.8°C | 89 | 9.8 | 10.811 h |
| March | 18.6°C7.8°C | 7.8°C | 87 | 9.2 | 11.912 h |
| April | 21.8°C9.8°C | 9.8°C | 44 | 5.9 | 13.113 h |
| May | 27.1°C13.7°C | 13.7°C | 23 | 3.4 | 14.114 h |
| June | 32.6°C17.9°C | 17.9°C | 6.6 | 1.0 | 14.615 h |
| July | 36.5°C21.6°C | 21.6°C | 1.7 | 0.5 | 14.414 h |
| August | 36.2°C21.2°C | 21.2°C | 0.6 | 0.2 | 13.514 h |
| September, selected | 32.8°C18.5°C | 18.5°C | 1.7 | 0.4 | 12.412 h |
| October | 26.0°C13.5°C | 13.5°C | 24 | 2.7 | 11.311 h |
| November | 18.6°C8.0°C | 8.0°C | 44 | 5.5 | 10.310 h |
| December | 13.9°C4.5°C | 4.5°C | 74 | 7.5 | 9.710 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Fresno in SeptemberUnited States · 63 kmHigh 32.6°C · Low 18.2°C · 1.8 mm rain
- Clovis in SeptemberUnited States · 66 kmHigh 32.5°C · Low 17.6°C · 1.8 mm rain
- Bakersfield in SeptemberUnited States · 109 kmHigh 31.8°C · Low 17.9°C · 1.0 mm rain
- Merced in SeptemberUnited States · 151 kmHigh 32.2°C · Low 17.3°C · 1.7 mm rain
- Santa Maria, United States in SeptemberUnited States · 185 kmHigh 26.2°C · Low 15.7°C · 1.1 mm rain
- Turlock in SeptemberUnited States · 189 kmHigh 31.8°C · Low 17.1°C · 1.9 mm rain
- Lancaster in SeptemberUnited States · 209 kmHigh 31.5°C · Low 17.4°C · 3.0 mm rain
- Modesto in SeptemberUnited States · 210 kmHigh 31.3°C · Low 16.3°C · 1.9 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Visalia) is explained once on the Visalia year overview and on the Sources, method and limits page.