Portland, MaineSeptember 2018
North America Region, US
Complete daily temperature records for September 2018 with 30 days of comprehensive weather data.
Avg: 63.4°F
30 Days
30 Records
Monthly Average
63.4°F
September 2018
Highest Day
77.6°F
Lowest Day
44.8°F
Daily Range
32.8°F
Daily Temperature Progression
62°F
1
67°F
2
77°F
3
78°F
4
73°F
5
77°F
6
66°F
7
61°F
8
55°F
9
55°F
10
63°F
11
68°F
12
68°F
13
67°F
14
62°F
15
69°F
16
70°F
17
71°F
18
62°F
19
58°F
20
59°F
21
65°F
22
53°F
23
51°F
24
45°F
25
67°F
26
65°F
27
58°F
28
56°F
29
55°F
30
Weekday
Weekend
Daily Temperature Records
| Date | Day | Temperature | Deviation |
|---|---|---|---|
| 2018-09-01 | Sat | 61.5°F | -1.9°F |
| 2018-09-02 | Sun | 67.0°F | +3.6°F |
| 2018-09-03 | Mon | 76.5°F | +13.1°F |
| 2018-09-04 | Tue | 77.6°F | +14.2°F |
| 2018-09-05 | Wed | 73.0°F | +9.6°F |
| 2018-09-06 | Thu | 76.9°F | +13.5°F |
| 2018-09-07 | Fri | 66.1°F | +2.7°F |
| 2018-09-08 | Sat | 61.4°F | -2.0°F |
| 2018-09-09 | Sun | 55.4°F | -8.0°F |
| 2018-09-10 | Mon | 54.5°F | -8.9°F |
| 2018-09-11 | Tue | 63.3°F | -0.1°F |
| 2018-09-12 | Wed | 67.5°F | +4.1°F |
| 2018-09-13 | Thu | 68.1°F | +4.7°F |
| 2018-09-14 | Fri | 66.7°F | +3.3°F |
| 2018-09-15 | Sat | 62.3°F | -1.1°F |
| 2018-09-16 | Sun | 68.8°F | +5.4°F |
| 2018-09-17 | Mon | 69.7°F | +6.3°F |
| 2018-09-18 | Tue | 70.8°F | +7.4°F |
| 2018-09-19 | Wed | 62.3°F | -1.1°F |
| 2018-09-20 | Thu | 58.4°F | -5.0°F |
| 2018-09-21 | Fri | 58.7°F | -4.7°F |
| 2018-09-22 | Sat | 65.1°F | +1.7°F |
| 2018-09-23 | Sun | 53.2°F | -10.2°F |
| 2018-09-24 | Mon | 51.3°F | -12.1°F |
| 2018-09-25 | Tue | 44.8°F | -18.6°F |
| 2018-09-26 | Wed | 67.4°F | +4.0°F |
| 2018-09-27 | Thu | 64.5°F | +1.1°F |
| 2018-09-28 | Fri | 57.7°F | -5.7°F |
| 2018-09-29 | Sat | 56.2°F | -7.2°F |
| 2018-09-30 | Sun | 55.4°F | -8.0°F |