Saint-Denis in september: average Weather, Temperature and Climate
Weather in Saint-Denis in september 2025
The weather in Saint-Denis in the month of september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 6
Weather at 6am
70°F
Clear/Sunny
35% of time
35%
21%
8%
Weather at 12pm
74°F
Clear/Sunny
46% of time
33%
16%
6%
Weather at 6pm
70°F
Clear/Sunny
36% of time
31%
27%
6%
Weather at 3am
70°F
33%
30%
27%
10%
Evolution of daily average temperature and precipitation in Saint-Denis in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Saint-Denis in september.
The climate of Saint-Denis in september is perfect
The climate in september in Saint-Denis is wet (with 2.2in of precipitation over 3 days). This is better than the previous month since in august it receives an average of 3in of precipitation over 3 days.
The climate enjoyable in that locality the month of september. The thermometer averaged maximum of 74°F. The minimum is 70°F. Thus, the mean temperature average in september in Saint-Denis is 72°F. Note that these seasonal averages are in contrast with those observed in Saint-Denis in september with a maximum record of 79°F in 2009 and a minimum record of 61°F in 2020.
On average, in Saint-Denis, the days of september last 11:58. Sunrise is at 06:14 and sunset is at 18:12.
With good weather conditions, september is a good time to go in this locality in Reunion.
Seasonal average climate and temperature of Saint-Denis in september
Check below seasonal norms These statistics are set from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 72°F | ||||
| Highest temperature | 74°F | ||||
| Lowest temperature | 70°F | ||||
| Highest record temperature | 79°F (2009) | ||||
| Lowest record temperature | 61°F (2020) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 76°F | ||||
| Lowest sea temperature | 74°F | ||||
| Highest sea temperature | 77°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 70°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.2in | ||||
| Number of days with rainfall | 3 day(s) (9%) | ||||
| Record daily rainfall | 0.8in (2009) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.45km | ||||
| Cloud cover | 33% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:14 | ||||
| Time of sunset | 18:12 | ||||
| Length of day | 11:58 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Saint-Denis in september 2024:
67°F to 74°F
67°F to 72°F
67°F to 72°F
68°F to 74°F
68°F to 74°F
70°F to 74°F
68°F to 74°F
68°F to 74°F
68°F to 76°F
70°F to 76°F
70°F to 76°F
70°F to 76°F
70°F to 74°F
67°F to 68°F
63°F to 68°F
67°F to 72°F
68°F to 72°F
68°F to 74°F
68°F to 74°F
68°F to 76°F
68°F to 76°F
70°F to 74°F
70°F to 74°F
68°F to 74°F
68°F to 76°F
68°F to 76°F
70°F to 74°F
68°F to 76°F
70°F to 76°F
68°F to 76°F
Map: other cities on the island of Reunion in september
Cities near Saint-Denis:
| Sainte-Marie in september | perfect weather |
| La Possession in september | perfect weather |
| Le Port in september | perfect weather |
| Sainte-Suzanne in september | perfect weather |
| Mafate in september | perfect weather |
| Salazie in september | perfect weather |
| Hell-Bourg in september | perfect weather |
| Saint-Paul in september | perfect weather |
| Saint-André in september | perfect weather |
| Bras-Panon in september | perfect weather |
| Boucan-Canot in september | perfect weather |
| Cilaos in september | perfect weather |
Click over cities on the map for information about the weather in september.
Saint-Denis
perfect weather
good
tolerable
bad
very bad
Weather data for Saint-Denis in september:
Weather data for Saint-Denis for september are derived from an average of the weather forecast since 2009 in Saint-Denis. There is a margin of error and these forecasts are to be considered as general information only. The weather in Saint-Denis can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Saint-Denis.