Moncton Weather: September
 |
Average Day Temperature: | 67.0°F |
|
Average Night Temperature: | 57.3°F |
|
Sea Water Temperature: | 63.0°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 11.7 - 13.3 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 1.1 in | |
| detailed information | ||
forecast
| Moncton |
Temperature
| Moncton |
Air Temperature in September, °F
The highest day temperature in September 2025 was 84°F. The lowest night temperature was 40°F. The average values for day and night temperatures during September were 71.8°F и 53.0°F respectivly.
Moncton Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Moncton was 63.4°F. The maximum and minimum values were 60.8°F and 67.0°F respectively.
You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Moncton is 1.1 in. This value is relatively stable throughout the year.
The average wind speed in September is 11.0 mph. It makes September one of the most windless months of the year for Moncton.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Moncton in September is 6.9 hours.
Moncton on the Weather Map
| Halifax |  |
+12 |
| Kingston |  |
+4 |
| Moncton | |
-6 |
| Montreal | |
-2 |
| Niagara Falls | |
+10 |
| Ottawa | |
-4 |
| Prince Edward Island |  |
+6 |
| Quebec | |
-12 |
| Rocky Harbour |  |
+28 |
| St. John's | |
+32 |
| Sydney | |
+24 |
| Toronto | |
+10 |
| Vancouver | |
+42 |
| Victoria | |
+44 |
| Winnipeg | |
+12 |
| 0300 |  |
-6°F | E 17 mph |
| 0600 | |
-10°F | E 16 mph |
| 0900 |  |
0°F | E 15 mph |
| 1200 | |
12°F | E 16 mph |
| 1500 | |
16°F | E 14 mph |
| 1800 | |
14°F | E 11 mph |
| 2100 | |
12°F | E 10 mph |
| 0000 | |
10°F | E 8 mph |