The moon's calendar for September 2025 is calculated based on the location of Bilbao, Spain, and its local time. You can see that for every day of September 2025, there will be a different moon phase displayed. The month of September 2025 begins with a First Quarter phase that is illuminated to 65.75%. You can easily navigate each day of the month by clicking the icons below. There is also a detailed description of the lunar phase for the chosen day of the month.
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
|
01
65.75%
8.89 day |
02
74.79%
9.82 day |
03
83.07%
10.78 day |
04
90.19%
11.77 day |
05
95.67%
12.79 day |
06
99.06%
13.85 day |
|
|
07
99.97%
14.94 day |
08
98.16%
16.05 day |
09
93.63%
17.16 day |
10
86.62%
18.28 day |
11
77.61%
19.4 day |
12
67.19%
20.5 day |
13
56.02%
21.58 day |
|
14
44.71%
22.65 day |
15
33.86%
23.69 day |
16
23.97%
24.72 day |
17
15.44%
25.73 day |
18
8.61%
26.73 day |
19
3.71%
27.71 day |
20
0.83%
28.67 day |
|
21
0.01%
0.09 day |
22
1.17%
1.02 day |
23
4.17%
1.93 day |
24
8.84%
2.84 day |
25
14.95%
3.73 day |
26
22.29%
4.62 day |
27
30.63%
5.51 day |
|
28
39.71%
6.41 day |
29
49.29%
7.32 day |
30
59.11%
8.24 day |