Climate averages 1991–2020
Brandon weather
in September.
A hot, wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Brandon: daytime highs average 30.3°C and nights cool to about 23.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 120 mm of rain on roughly 16 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.
The nearest other city in this atlas is Tampa (17 km away). In September its highs average 30.0°C, about as warm as Brandon, with 137 mm of rain.
Among the 498 cities listed in the United States, Brandon ranks joint 104th of 498 for the warmest September highs and joint 445th of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Brandon is 3.4°C warmer than that mean.
From September to October, average highs fall by 2.2°C to 28.1°C, and monthly rainfall falls from 120 mm to 52 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
Brandon climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.0°C11.6°C | 11.6°C | 61 | 6.1 | 10.611 h |
| February | 22.6°C12.9°C | 12.9°C | 50 | 5.9 | 11.211 h |
| March | 24.8°C14.7°C | 14.7°C | 59 | 6.2 | 12.012 h |
| April | 27.7°C17.5°C | 17.5°C | 51 | 5.9 | 12.813 h |
| May | 30.5°C20.6°C | 20.6°C | 65 | 7.6 | 13.514 h |
| June | 31.0°C23.3°C | 23.3°C | 143 | 18.0 | 13.914 h |
| July | 31.1°C24.1°C | 24.1°C | 142 | 20.8 | 13.714 h |
| August | 31.1°C24.2°C | 24.2°C | 145 | 21.6 | 13.113 h |
| September, selected | 30.3°C23.3°C | 23.3°C | 120 | 16.3 | 12.312 h |
| October | 28.1°C20.1°C | 20.1°C | 52 | 7.8 | 11.512 h |
| November | 24.8°C15.9°C | 15.9°C | 38 | 4.1 | 10.811 h |
| December | 22.4°C13.3°C | 13.3°C | 49 | 5.2 | 10.410 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
- Tampa in SeptemberUnited States · 17 kmHigh 30.0°C · Low 23.4°C · 137 mm rain
- Town 'n' Country in SeptemberUnited States · 30 kmHigh 29.6°C · Low 24.1°C · 137 mm rain
- Lakeland in SeptemberUnited States · 35 kmHigh 30.0°C · Low 22.9°C · 130 mm rain
- St. Petersburg in SeptemberUnited States · 43 kmHigh 29.2°C · Low 24.7°C · 139 mm rain
- Largo in SeptemberUnited States · 49 kmHigh 28.7°C · Low 25.1°C · 134 mm rain
- Clearwater in SeptemberUnited States · 51 kmHigh 28.7°C · Low 25.0°C · 134 mm rain
- Spring Hill in SeptemberUnited States · 64 kmHigh 30.1°C · Low 23.0°C · 144 mm rain
- Orlando in SeptemberUnited States · 111 kmHigh 29.8°C · Low 23.0°C · 142 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 Brandon) is explained once on the Brandon year overview and on the Sources, method and limits page.